CN105837586A - 二噁烷并喹唑啉胺类化合物及其制备方法和作为表皮生长因子受体抑制剂的应用 - Google Patents
二噁烷并喹唑啉胺类化合物及其制备方法和作为表皮生长因子受体抑制剂的应用 Download PDFInfo
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- CN105837586A CN105837586A CN201610125213.6A CN201610125213A CN105837586A CN 105837586 A CN105837586 A CN 105837586A CN 201610125213 A CN201610125213 A CN 201610125213A CN 105837586 A CN105837586 A CN 105837586A
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Abstract
本发明公开了一种3‑甲氧基甲基‑2,3‑二氢‑[1,4]二噁烷[2,3‑f]喹唑啉‑10‑胺类化合物及其制备方法和作为治疗癌症的表皮生长因子受体抑制剂的应用,属于生物领域。所述化合物为式(I)结构式表示的N‑取代苯基‑5‑取代烷氧基‑3‑甲氧基甲基‑2,3‑二氢‑[1,4]二噁烷[2,3‑f]喹唑啉‑10‑胺类化合物或者其药学上可接受的盐或其前药分子:其中,R1为‑H、C1‑C5的直链或支链烷基、烷氧基或烷氧基取代的C1‑C5的直链或支链烷基等;R2为‑H、卤素、芳香基烷氧基、C1‑C3烷基或C1‑C3的直链或支链烷氧基;R3为‑H、卤素、C2‑C4不饱和烃基、硝基、氰基或C1‑C3的直链或支链烷氧基。本发明可以用于许多不同的癌症的治疗或预防。
Description
技术领域
本发明涉及N-取代苯基-5-取代烷氧基-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺类化合物及其制备方法和应用。具体地说,是涉及不同取代基的N-取代苯基-5-取代烷氧基-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺类化合物及其制备方法和作为用于治疗癌症的表皮生长因子受体抑制剂的应用。
背景技术
癌症是严重威胁人类生存的一种恶性疾病。据国际癌症研究机构(IARC)统计,2012年全球新增癌症患者1410万人,癌症相关死亡820万人;与之相比,2008年的数据分别为1270万和760万;我国新增癌症病例306.5万,死亡人数约250万。近年来随着人口老龄化和环境污染等因素的增加,癌症的发生率和死亡率有加速上升的趋势,已经成为导致人类死亡的一个主要原因。预计到2025年,全球新增癌症病例将达1930万人。因此,癌症的防治面临严峻的形势。
据统计,位居发病率前三位的癌症分别是肺癌(13%),乳腺癌(11.9%)和结肠癌(9.7%),致死率前三名的癌症分别是肺癌(19.4%),肝癌(9.1%)和胃癌(8.8%)。肺癌成为致死率最高的癌症,其中,非小细胞肺癌(non-small cell lung cancer,NSCLC)较为常见,约占肺癌患病总数的80%。由于其早期缺乏明显症状,大多患者就诊时疾病已发展为中晚期,因而丧失了良好的治疗时机。
目前癌症治疗手段主要包括手术治疗,放射治疗和化学药物治疗。手术治疗术后前期效果明显,但后期容易出现肿瘤的复发和转移。放射治疗使生物分子结构改变,达到破坏癌细胞的一种治疗方法,该方法对正常细胞也产生较强的毒副作用,引起相关的不良反应。化学药物疗法是利用药物杀死肿瘤细胞,但也会伤害正常细胞,引起明显的副反应。
近年来,肿瘤细胞生物学和遗传学得到了较快的发展,人们对癌基因,细胞凋亡,肿瘤血管形成等的研究也从细胞生物学水平上升到分子生物学水平,随着人们对肿瘤发生,发展过程的不断研究,肿瘤细胞的分子生物学机制正在逐步被阐明,新的治疗理念和方法不断被提出。分子靶向治疗是指在分子生物学的基础上,利用肿瘤组织或细胞所具有的特异性结构作为靶点,通过设计相应的治疗药物,使之能与靶分子特异性结合达到直接治疗或导向治疗的一类疗法,这种癌症治疗的新方法是从分子水平逆转肿瘤细胞的恶性生物学行为,达到抑制肿瘤生长的目的。研究表明,肿瘤的发生与发展涉及生物体内多种受体或细胞内的信号转导过程,分子靶向药物就是针对恶性肿瘤组织和细胞的特异性靶点进行攻击,相比于传统的化学药物治疗,具有毒副作用小,治疗效率高的特点,高度选择性地杀死肿瘤细胞,安全性高,耐受性好,毒副反应轻微,因此癌症分子靶向药物成为研究的热点。
受体酪氨酸激酶(receptor tyrosine kinases,RTKs)是最大的一类酶联受体,它既是受体,又是酶,能够同配体结合,并将靶蛋白的酪氨酸残基磷酸化。目前,已经发现的RTKs有50多种,常见的几种类型包括表皮生长因子受体,血小板生长因子,成纤维细胞生长因子和血管内皮生长因子等。
表皮生长因子受体(EGFR)是一类受体酪氨酸激酶,是原癌基因c-erbB1的表 达产物,属于HER/ErbB家族。该受体家族包括HER1(EGFR/erbB-1),HER2(neu/erbB-2),HER3(erbB-3)和HER4(erbB-4)这4个成员。EGFR广泛分布于哺乳动物上皮细胞,成纤维细胞以及胶质细胞等细胞表面,其信号通路对调控细胞的生理过程发挥重要的作用。
从结构上说,EGFR是一种跨膜糖蛋白,由1186个氨基酸残基组成,分为胞外配体结合区(extracellular domain,ECD),跨膜区(transmembrane domain,TM)及胞内区(intracellular domain,D)。胞内结构包含1个酪氨酸激酶域和多个自身磷酸化位点,当这些酪氨酸残基被磷酸化以后可与信号转导途径的下游蛋白特异性结合,进而激活EGFR信号通路,完成细胞信号从细胞外向细胞内的传导和转移过程。目前已知的EGFR配体共6种:表皮生长因子(EGF),转化生长因子α(TGFα),AmpHiregulin,Bctacelluin(BTC),Heparin-bingding EGF(HBEGF),Epiregulin(EPR),其中,EGF和TGFα是EGFR最重要的两个配体。当受体与配体结合后,导致重要的构象变化,发生二聚化作用,引发自身磷酸化并激活下游信号,从而调节细胞的增殖,凋亡,迁移,存活和一系列复杂的过程。
小分子EGFR酪氨酸激酶抑制剂(EGFR-TKI)能竞争性地与EGFR的ATP结合位点结合,抑制受体自身磷酸化,从而阻断下游信号的传导。其中苯胺喹唑啉类化合物显示出良好的EGFR抑制作用,是目前为止发现的活性最高,选择性最好的一类酪氨酸激酶抑制剂(张可,谢广茹,潘战宇,小分子酪氨酸激酶抑制剂治疗非小细胞肺癌研究进展,中国肿瘤临床,2006,33(2):115-118;CIARDIELLO F,TORTORA G,EGFR antagonists in cancertreatment,New England Journal of Medicine,2008,358(11):1160-1174)。
目前,已上市的EGFR酪氨酸激酶小分子抑制剂,主要包括吉非替尼,厄洛替尼,拉帕替尼等,它们能有效的阻断EGFR信号传导通路而抑制肿瘤细胞的生长与增殖,可用于治疗常规化疗失败的晚期非小细胞肺癌患者。但由于抗药性的存在,大多数晚期患者的生存时间延长仍然有限(Kobayashi,S.;Boggon,T.J.;Dayaram,T.;et al.N.Engl.J.Med.2005,352,786)。因此,研究新型的EGFR激酶抑制剂有重要意义。
发明内容
4-氨基喹唑啉类化合物对EGFR激酶具有一定的抑制作用,本发明所涉及的N-取代苯基-5-取代烷氧基-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺类化合物及其药学上可接受的盐可用作治疗或预防由表皮生长因子受体(EGFR)引起的疾病,包括表皮生长因子受体的某些变种(例如L858R突变体激活,Exonl9缺失突变体的激活和T790M抗性突变体)。这种化合物和其盐可以用于许多不同的癌症的治疗或预防。本发明还涉及包含所述化合物及其盐,以及其有效的多晶型形式的药物组合物,所述化合物的中间体,在使用各种不同形式的EGFR介导的疾病的治疗方法中使用的所述化合物及其盐。
本发明提供的一种化合物的分子式如以下结构式(I):
具有结构式(I)表示的N-取代苯基-5-取代烷氧基-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺类化合物:
其中,R1为
1)-H;
2)C1-C5的直链或支链烷基;
3)四氢呋喃烷氧基,四氢吡喃烷氧基,二氧六环烷氧基,吗啉烷氧基,C1-C5的直链或支链烷氧基;
4)烷氧基取代的C1-C5的直链或支链烷基;
5)含氮饱和杂环基或含氮饱和杂环基取代的C1-C5的直链或支链烷基;
R2为
1)-H;
2)氟,氯,溴;
3)氟代苄氧基,氯代苄氧基,溴代苄氧基,取代的苄氧基,氰基苄氧基,硝基苄氧基,吡啶甲基,C1-C3烷基取代的吡啶甲基,氟代吡啶甲基,氯代吡啶甲基;
4)甲基,乙基,丙基,异丙基;
5)甲氧基,乙氧基,丙氧基,异丙氧基
R3为
1)-H;
2)氟,氯,溴;
3)乙烯基,丙烯基,1or 2-丁烯基,乙炔基,丙炔基,1or 2-丁炔基
4)硝基
5)氰基
6)甲氧基,乙氧基,丙氧基,异丙氧基;
很清楚,分子式(I)的化合物及其可药用盐可以以溶剂化形式和非溶剂化形式存在。例如溶剂化形式可以是水溶形式。本发明包括所有这些溶剂化的和非溶剂化的形式。
本发明的另一个方面是一种药物组合物,其包含分子式(I)的化合物。这种组合物可施用于有需要的受试者以抑制其癌症的生长,发育和/或转移,包括实体瘤(例如肺癌,乳腺癌,结肠癌,胰腺癌,头颈部癌症),包括那些经过易瑞沙和厄洛替尼或其他激酶抑制剂治疗有抗药性的癌症。
本发明的癌症治疗方法包括(作为单一疗法或与其它抗癌药共用,一种或多种药剂组合用于减轻副作用,辐射等)对需要本发明中的化合物的人或动物给予有效药量,以抑制,减缓或逆转癌肿生长,发育或扩散,包括实体癌或其它形式的癌肿诸如肺癌和乳腺癌。这种给药形成了对由一种或多种激酶介导的疾病的治疗或预防的方法,因为这些激酶可以被某些在本专利中公开的化合物或其药学上可接受的衍生物所抑制。本发明的化合物的“给药”包括把本文所述的形式的化合物或其前药或其它药学上可接受的衍生物递送给接收者,也包括使用任何合适的制剂或给药途径。典型的化合物的给药是每月1次或更多次,但更经常的是每周一次或多次,例如每天一次,每隔一天一次等。口服和静脉注射给药是本发明 的关注重点。
如本文使用的说法“药学上可接受的衍生物”,是指任何本专利中的化合物在药学上可接受的盐,酯,或该酯的盐,或任何在施用给患者时能够直接或间接提供本专利中的化合物(包括代谢物)的加合物或衍生物,因此,药学上可接受的衍生物包括前体药物。前药是这样的化合物的衍生物,通常具有显著降低的药理活性。它包含一个额外的部分,易被体内除去而产生具有药理学活性的母体分子。酯就是前药的一个例子,它可以在体内裂解以产生所关注的化合物。前药的各种化合物,以及材料和用于获得母体化合物以创建前体药物的方法,是众所周知的并且可以适用于本发明。
母体化合物的特别有利的衍生物和前药是指那些衍生物和前药,在给予哺乳动物时能够提高该化合物的生物利用度(例如,通过口服后允许增强吸收进入血液)或者相对于母体化合物能更快的传输到所关注的体内生物部位。相对于母体化合物,本发明理想的前药包括具有增强水溶解度或主动转运通过肠膜的化合物的衍生物。
本发明的另一目的是提供一种用于治疗癌症的方法,包括给有需要的接受者施用有效剂量的含本发明的化合物的组合物。可被如此治疗的癌症在本文别处会注明,包括但不限于具有对易瑞沙,特罗凯,泰立沙有抗药性的癌症。治疗也可以与一个或多个其他的癌症疗法组合使用,包括手术,放疗(如γ-射线,中子束放射疗法,电子束放射治疗,质子治疗,近距离放射治疗和全身放射性同位素等),内分泌疗法,生物应答调节剂(例如,干扰素,白介素和肿瘤坏死因子(TNF)),热疗,冷冻疗法,减弱任何不良影响(例如,止吐剂)以及其他的癌症化疗药物。其它可使用的药物制剂,其给药途径和给药方案可以同于或不同于本发明的化合物的给药途径或方案。
上面所述的其它药物包括但不限于下列一项或多项:抗癌烷化剂或插层剂,抗代谢药,嘌呤拮抗剂或嘧啶拮抗剂,紫杉醇,鬼臼毒素,抗生素,亚硝脲,无机离子,酶,激素,mTOR抑制剂,西罗莫司,依维莫司,蛋白酶抑制剂,其他激酶抑制剂,例如表皮生长因子受体激酶(例如,易瑞沙,特罗凯,等),ErbB2的激酶(例如Tykerb/Tyverb)等。一种抗体,可溶性受体或与癌症有关联的受体或激素的受体拮抗剂等(包括受体如EGFR,ErbB2的,VEGFR,PDGFR等;包括的药物制剂如赫赛汀,阿瓦斯丁,爱必妥等)。
本发明进一步包括分子式(I)的所涵盖的化合物以及任何其他本专利所涵盖的化合物的制备方法。
本发明还包括使用本发明的化合物或其药学上可接受的衍生物生产制造用于治疗急性或慢性癌症(包括实体瘤,原发性或转移性癌症,以及本文别处所指出的癌症,也包括对其它一种或多种治疗具有抗药性的癌症)的药剂。本发明的化合物可以用于生产制造抗癌药物。本发明的化合物也可用于生产制造药物,使其通过抑制一种或多种激酶(例如EGFR,ErbB2等)来减轻或预防疾病,包括代谢疾病,炎症性疾病,骨质疏松症等。在这种情况下,本专利中化合物可以单独使用,也可以与其他药物共同使用。
本发明还包括含有本发明的化合物的组合体,其中本发明的化合物可以是任何一个本发明中所述的类别或亚类别的化合物,包括任何在上面提到的通式中的化合物,此化合物以治疗有效量与至少一种药学上可接受的载体,佐剂或稀释剂一起形成组合体。
本发明的化合物可作为标准品和试剂用于表征各种激酶,特别是但不限于 ErbB家族激酶,也可以用于研究这种激酶在生物学和病理学中的作用;还可以用于研究由这类激酶介导的细胞内信号转导途径及对于新的激酶抑制剂的对比评价;进一步可以用于研究在细胞系和动物模型中的各种癌症。
在本文实施方案中所述癌症可以是非小细胞肺癌,小细胞肺癌,乳腺癌,胰腺癌,神经胶质瘤,胶质母细胞瘤,卵巢癌,子宫颈癌,结肠直肠癌,黑色素瘤,子宫内膜癌,前列腺癌,白血病,胃癌,肝癌,胃肠间质瘤,甲状腺癌,急性髓细胞性白血病,鼻咽癌,胆管癌中的任一种。
本文化合物的合成方法
系列(I)化合物的合成路线:
反应条件:a)CH3I,KHCO3,DMF,40℃;b)BnCl,K2CO3,KI,DMF,60℃;c)HCl/H2O,HAc,40℃;d)环氧氯丙烷,Cs2CO3,DMF,70℃;e)CH3OH,FeCl3,rt;f)Pd/C,H2,EtOH;g)SOCl2,DMF,回流;K2CO3,丙酮,KI,reflux;h)RX,K2CO3,DMF,80℃;i)HNO3/HAc;j)Pd/C,H2,EtOH;k)甲酰胺,150;l)POCl3,回流;m)取代苯胺,i-PrOH,回流。
式一系列(I)化合物合成路线
下面代表性实例包含重要的信息,例证和指导,可适应于本发明化合物的各种实施方式及其等同物的实施做法。这些实施例是为了帮助说明本发明,而并不旨在,也不应被解释为限制其范围。实际上,本领域技术人员通过查阅本文及本文所引用的相关文献可以知道,除了那些本文所示和所描述的,对本发明的各种修改以及许多进一步的实施方案是显而易见的。这些引用的参考文献的内容都是 用来帮助说明本领域的现状。
具体实施方式
实施例1
N-(3-氯-4-氟苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-1)
步骤1)2,3,4-三羟基苯甲酸甲酯的制备
室温下将34克(200mmol)2,3,4-三羟基苯甲酸和40克(400mmol)碳酸氢钾,300mLN,N-二甲基甲酰胺加入反应釜中慢慢搅拌0.5小时,加入42g(300mmol)碘甲烷,反应12小时,倒入1500mL水中,抽滤,用水洗涤,干燥,得35g白色固体,收率95%。1H NMR(400MHz,CDCl3)δ11.01(s,1H),7.38(d,J=8.8Hz,1H),6.53(d,J=8.8Hz,1H),5.80(s,1H),5.47(s,1H),3.94(s,3H).ESI-MS m/z:185[M+H]+.
步骤2)2,3,4-三苄氧基苯甲酸甲酯的制备
将18.5克(100mmol)2,3,4-三羟基苯甲酸甲酯,42.0克(300mmol)碳酸钾和150mLN,N-二甲基甲酰胺混合,搅拌约30分钟,滴加溴化苄51.5克(300mmol),常温搅拌20小时。倒入2L水中,搅拌半小时,抽滤,用水洗涤,干燥,得30克白色固体,收率66%。1H NMR(400MHz,DMSO)δ7.28-7.56(m,16H),7.08(d,J=8.8Hz,1H),5.23(d,2H),5.00(d,4H),3.76(s,3H).ESI-MS m/z:455.1[M+H]+.
步骤3)3,4-二苄氧基-2-羟基苯甲酸甲酯的制备
将10g(22mmol)的2,3,4-三苄氧基苯甲酸酯加入1000mL的圆底烧瓶中,加入HAc/HCl(体积比为10:1)的混合溶液550mL,搅拌,水浴加热至40℃,TLC监测反应进度,原料消失之后将反应液倒入冰水中,搅拌,有大量白色固体析出,抽滤得到白色固体,依次用冰水,石油醚洗涤2次,干燥得产物5.7g,产率71%。1H NMR(400MHz,DMSO)δ7.57(d,J=9.2Hz,1H),7.29-7.46(m,10H),6.80(d,J=9.2Hz,1H),5.20(s,2H),4.97(s,2H),3.87(s,3H).ESI-MSm/z:363.0[M-H]-.
步骤4)化合物3,4-二苄氧基-2-(2,3-环氧丙基)-苯甲酸甲酯的制备
将5g(11.9mmol)3,4-二苄氧基-2-(2,3-环氧丙基)-苯甲酸甲酯溶于30mL的DMF中,搅拌,加入4.65g(14.3mmol)碳酸铯Cs2CO3,环氧氯丙烷1.4mL(17.85mmol),将反应液加热至70℃,TLC监测反应完毕。过滤,滤液减压脱溶,柱层析得到白色固体化合物3.8g,产率75%。1H NMR(400MHz,CDCl3)δ7.64(d,J=8.9Hz,1H),7.32-7.48(m,10H),6.80(d,J=8.9Hz,1H),5.15(s,2H),5.06(q,J=9.2Hz,2H),4.28(dd,J=10.7,3.6Hz,1H),4.10-4.14(m,1H),3.91(s,3H),3.42(dt,J=7.9,3.2Hz,1H),2.84(t,J=4.6Hz,1H),2.65(dd,J=5.0,2.6Hz,1H).ESI-MS m/z:443.2[M+Na]+.
步骤5)3,4-二(苄氧基)-2-(2-羟基-3-甲氧基丙氧基)苯甲酸甲酯的制备
将2g(4.76mmol)的2-(2,3-环氧丙基)-3,4-二苄氧基苯甲酸甲酯加入100mL的圆底烧瓶中,加入50mL的甲醇,加入无水FeCl30.15g(0.96mmo),常温搅拌,TLC监测反应完毕后,减压脱溶,加水搅拌5min,EtOAc萃取,有机相干燥,柱层析得到无色油状物1.4g,产率65%。1H NMR(400MHz,CDCl3)δ7.67(d,J=8.9Hz,1H),7.47-7.35(m,7H),7.35-7.30(m,3H),6.76(d,J=8.9Hz,1H),5.13(d,J=1.9Hz,2H),5.03(s,2H),4.83(d,J=4.0Hz,1H),4.43(dd,J=10.2,2.7Hz,1H),4.22(dd,J=10.2,6.9Hz,1H),4.11(d,J=2.4Hz,1H),3.87(d,J=1.9Hz,3H),3.51(d,J=5.5Hz,2H),3.37(s,3H).ESI-MS m/z:475.3[M+Na]+.
步骤6)3,4-二羟基-2-(2-羟基-3-甲氧基丙氧基)苯甲酸甲酯的制备
将5g(11mmol)的3,4-二(苄氧基)-2-(2-羟基-3-甲氧基丙氧基)苯甲酸甲酯加入200mL的烧瓶中,加入100mL乙醇,0.2g 10%钯碳,催化氢化,反应结束后滤去钯碳,脱溶得产物2.9g,产率97%。1H NMR(400MHz,DMSO)δ7.96(s,2H),7.16(d,J=8.6Hz,1H),6.62(d,J=8.6Hz,1H),4.05(dd,J=10.1,3.8Hz,1H),4.01–3.92(m,1H),3.84(dd,J=10.0,6.5Hz,1H),3.75(s,3H),3.72-3.65(m,0.5H),3.41(ddd,J=15.9,10.0,5.4Hz,2H),3.28(s,3H),3.22(dd,J=8.1,5.5Hz,0.5H).ESI-MS m/z:273.7[M+H]+.
步骤7)8-羟基-2-(甲氧基甲基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯制备
往2.9g(10.7mmol)的3,4-二羟基-2-(2-羟基-3-甲氧基丙氧基)苯甲酸甲酯中加入15mL的SOCl2,2滴DMF,常温搅拌2h,加回流1h,减压脱溶。往得到的产物加入50mL的丙酮,15g(107mmol)无水K2CO3,0.018g(0.11mmol)KI,加热回流,TLC监测反应完毕,减压脱溶,加水,乙酸乙酯萃取,有机相干燥得产物初产物2.45g,产率90%,无须纯化可直接用于下一步反应。1H NMR(400MHz,CDCl3)δ7.45(d,J=8.7Hz,1H),6.55(d,J=8.7Hz,1H),4.47-4.38(m,2H),4.16-4.09(m,1H),3.85(s,3H),3.67(ddd,J=14.9,10.5,5.0Hz,2H),3.43(s,3H),2.14(s,1H).ESI-MS m/z:277.1[M+Na]+.
步骤8)8-(2-甲氧基乙氧基)-2-(甲氧基甲基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯制备
往2.45g(9.64mmol)的8-羟基-2-(甲氧基甲基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯中加入50mL的丙酮,4.0g(28.92mmol)无水K2CO3,0.018g(0.11mmol)KI,1.2mL(12.53mmol)的甲氧基溴乙烷,加热回流,TLC监测反应完毕,减压脱溶,加水,乙酸乙酯萃取,有机相干燥,柱层析得产物2.65g,产率88%。1H NMR(400MHz,CDCl3)δ7.46(d,J=8.8Hz,1H),6.54(d,J=8.9Hz,1H),4.46(dd,J=11.4,1.9Hz,1H),4.39(dd,J=11.8,5.9Hz,1H),4.21(t,J=4.9Hz,2H),4.15(dd,J=11.3,7.1Hz,1H),3.87(s,3H),3.80(t,J=4.7Hz,2H),3.73(dd,J=10.4,4.8Hz,1H),3.66(dd,J=10.4,6.1Hz,1H),3.46(s,3H),3.43(s,3H).ESI-MS m/z:335.1[M+Na]+.
步骤9)8-(2-甲氧基乙氧基)-2-(甲氧基甲基)-6-硝基-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯制备
将2g(6.40mmol)的8-(2-甲氧基乙氧基)-2-(甲氧基甲基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯用16mL的冰乙酸溶解,冰浴条件下滴入发烟硝酸/冰乙酸(4mL/12mL)的混合液,滴完之后移至室温反应,TLC监测反应完毕,将反应液倒入冰中,有大量固体析出,过滤,沉淀用水洗涤5次,晾干,得纯品1.9g,产率83%。1H NMR(400MHz,CDCl3)δ7.43(s,1H),4.42(t,J=9.6Hz,2H),4.24(t,J=4.5Hz,2H),4.15(dd,J=11.5,7.1Hz,1H),3.95(s,3H),3.80(d,J=2.0 Hz,2H),3.74(dd,J=10.4,4.6Hz,1H),3.67(dd,J=10.4,6.1Hz,1H),3.45(s,3H),3.42(s,3H).ESI-MS m/z:380.2[M+Na]+.
步骤10)6-氨基-8-(2-甲氧基乙氧基)-2-(甲氧基甲基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯的制备
将2g(5.6mmol)的8-(2-甲氧基乙氧基)-2-(甲氧基甲基)-6-硝基-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯加入100mL的烧瓶中,加入50mL的无水乙醇,0.1g 10%钯碳,催化氢化,反应结束后滤去钯碳,脱溶得产物1.8g,产率98%。1H NMR(400MHz,CDCl3)δ5.76(s,1H),4.27(dd,J=11.2,1.9Hz,1H),4.21–4.13(m,1H),3.96(dt,J=11.3,6.1Hz,3H),3.76(s,3H),3.68-3.62(m,2H),3.58(dd,J=10.3,4.8Hz,1H),3.52(dd,J=10.4,5.9Hz,1H),3.33(s,3H),3.31(s,3H).
步骤11)5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮的制备
将3g(9.17mmol)的6-氨基-8-(2-甲氧基乙氧基)-2-(甲氧基甲基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯溶解在20mL的甲酰胺溶液中,搅拌,加热至150℃ 24小时,冷却,有固体析出,过滤,产物用EtOAc洗涤,晾干,得产品2.0g,产率69%。1H NMR(400MHz,CDCl3)δ11.80(s,1H),7.99(s,1H),6.85(s,1H),4.60(dd,J=11.4,2.2Hz,1H),4.47-4.37(m,1H),4.34-4.20(m,3H),3.84(dd,J=7.1,4.7Hz,2H),3.74(qd,J=10.5,5.3Hz,2H),3.47(s,3H),3.44(s,3H).ESI-MS m/z:320.8[M+H]+.
步骤12)10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉的制备
将2g(6.2mmol)的5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮加入50mL的圆底烧瓶中,加入20mL的POCl3,搅拌,加热回流8小时,减压脱溶,往残留液加入冷的饱和Na2CO3溶液中和,EtOA萃取,干燥有机相,减压脱溶得产品1.5g,产率72%。1H NMR(400MHz,CDCl3)δ8.78(s,1H),7.06(s,1H),4.55(dd,J=11.4,2.3Hz,1H),4.52-4.45(m,1H),4.34(t, J=4.1Hz,2H),4.25(dd,J=11.4,6.8Hz,1H),3.92-3.85(m,2H),3.76(ddd,J=16.5,10.4,5.4Hz,2H),3.48(d,J=7.9Hz,6H).ESI-MS m/z:[M+H]+341.3.
步骤13)N-(3-氯-4-氟苯基)-5-(2-甲氧基乙氧基)-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺的制备(I-1)
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-氯-4-氟苯胺(47mg,0.32mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体0.08g,产率60%。熔点:248.2-250.5℃。1H NMR(500MHz,CD3OD+CDCl3)δ8.57(s,1H),7.86(dd,J=6.5,2.6Hz,1H),7.58-7.54(m,1H),7.29(t,J=8.7Hz,1H),7.13(s,1H),4.83(dd,J=11.4,2.1Hz,1H),4.56-4.51(m,1H),4.44(dd,J=11.4,7.5Hz,1H),4.40(t,J=4.3Hz,2H),3.89(dd,J=7.2,3.7Hz,2H),3.83(qd,J=10.8,4.9Hz,2H),3.49(d,J=1.9Hz,6H).13C NMR(125MHz,CD3OD+CDCl3)δ158.40(s),156.53(d,J=248.8Hz),155.53(s),148.38(s),139.66(s),134.44(s),133.52(s),132.57(s),126.78(s),124.57(d,J=7.4Hz),121.08(d,J=18.9Hz),116.76(s),116.59(s),99.17(s),94.26(s),72.00(s),70.24,70.17,69.52(s),66.82(s),59.21(s),58.77(s).HRMS(ESI)m/z:450.1232 calcdfor C21H21ClFN3O5[M+H]+,found 450.1235.
实施例2
N-(3-氟苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-2)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-氟苯胺(38mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体69mg,产率58%。熔点:231.6-232.2℃。 1H NMR(500MHz,CD3OD+CDCl3)δ8.58(s,1H),7.63(dt,J=10.3,2.2Hz,1H),7.48–7.37(m,2H),7.11(s,1H),7.09–7.01(m,1H),4.83(dd,J=11.4,2.2Hz,1H),4.55–4.50(m,1H),4.44(dd,J=11.4,7.5Hz,1H),4.38(t,J=4.4Hz,2H),3.88(dd,J=7.2,3.7Hz,2H),3.82(qd,J=10.7,4.9Hz,2H),3.47(d,J=1.5Hz,6H).13CNMR(125MHz,CD3OD+CDCl3)δ162.67(d,J=244.7Hz),158.18(s),156.41(s),148.41(s),139.59(s),137.34(s),134.53(s),133.55(s),130.20(d,J=9.1Hz),119.49(s),113.67(d,J=10.63Hz),111.41(d,J=25Hz),99.30(s),94.35(s),72.00 (s),70.23(s),70.17(s),69.50(s),66.87(s),59.19(s),58.75(s).HRMS(ESI)m/z:416.1622calcd forC21H22FN3O5,[M+H]+,found 416.1624.
实施例3
N-(3-氯苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-3)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-氯苯胺(44mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体77mg,产率62%。熔点:233.3-234.7℃。 1H NMR(500MHz,CD3OD+CDCl3)δ8.59(s,1H),7.82(s,1H),7.56(d,J=8.0Hz,1H),7.43(t,J=8.1Hz,1H),7.33(d,J=8.0Hz,1H),7.14(s,1H),4.84(dd,J=11.3,1.7Hz,1H),4.54(d,J=5.0Hz,1H),4.45(dd,J=11.3,7.5Hz,1H),4.40(t,J=4.3Hz,2H),3.92–3.87(m,2H),3.83(qd,J=10.8,4.8Hz,2H),3.49(d,J=0.9Hz,6H). 13C NMR(125MHz,CD3OD+CDCl3)δ158.25(s),156.45(s),148.37(s),139.62(s),137.08(s),134.47(s),134.42(s),133.54(s),130.02(s),126.96(s),124.22(s),122.33(s),99.25(s),94.26(s),72.02(s),70.25,70.17(s),69.52(s),66.87(s),59.19(s),58.75(s).HRMS(ESI)m/z:432.1326calcd for C21H22ClN3O5[M+H]+,found 432.1329.
实施例4
N-(4-氯苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-4)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入4-氯苯胺(44mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体76mg,产率61%。熔点:247.1-247.8℃。 1H NMR(500MHz,CD3OD+CDCl3)δ8.55(s,1H),7.68-7.63(m,2H),7.48-7.43(m,2H),7.12(s,1H),4.83(dd,J=11.4,2.2Hz,1H),4.56-4.51(m,1H),4.45(dd,J=11.4,7.5Hz,1H),4.40(t,J=4.4Hz,2H),3.89(dd,J=7.3,3.7Hz,2H),3.83(qd,J =10.7,4.8Hz,2H),3.49(d,J=2.1Hz,6H).13C NMR(125MHz,CD3OD+CDCl3)δ158.22(s),156.37(s),148.33(s),139.66(s),134.49(s),134.36(s),133.48(s),132.45(s),129.02(s),125.58(s),99.22(s),94.24(s),71.99(s),70.24(s),70.17(s),69.49(s),66.84(s),59.20(s),58.76(s).HRMS(ESI)m/z:432.1326calcd for C21H22ClN3O5[M+H]+,found 432.1330.
实施例5
N-(3-溴苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-5)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-溴苯胺(60mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体96mg,产率70%。熔点:239.1-241.7℃。 1H NMR(500MHz,CD3OD+CDCl3)δ8.59(s,1H),7.95(t,J=1.8Hz,1H),7.63–7.58(m,1H),7.48(dd,J=8.0,0.8Hz,1H),7.38(t,J=8.1Hz,1H),7.13(s,1H),4.84(dd,J=11.4,2.1Hz,1H),4.57–4.52(m,1H),4.45(dd,J=11.4,7.5Hz,1H),4.40(t,J=4.3Hz,2H),3.89(dd,J=6.9,3.7Hz,2H),3.83(qd,J=10.7,4.8Hz,2H),3.49(d,J=0.8Hz,6H).13C NMR(125MHz,CD3OD+CDCl3)δ158.26(s),156.46(s),148.37(s),139.62(s),137.17(s),134.42(s),133.55(s),130.27(s),129.94(s),127.10(s),122.83(s),122.23(s),99.24(s),94.25(s),72.01(s),70.24(s),70.17(s),69.52(s),66.86(s),59.20(s),58.76(s).HRMS(ESI)m/z:476.0816calcd for C21H22BrN3O5[M+H]+,found 476.0819.
实施例6
N-(4-溴苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-6)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入4-溴苯胺(60mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体101mg,产率74%。熔点:240.4-242.4℃。 1H NMR(500MHz,CD3OD+CDCl3)δ8.55(s,1H),7.60(s,4H),7.11(s,1H),4.83(dd,J=11.4,2.2Hz,1H),4.56-4.51(m,1H),4.45(dd,J=11.4,7.5Hz,1H),4.40(t,J=4.4Hz,2H),3.89(dd,J=7.3,3.7Hz,2H),3.83(qd,J=10.7,4.8Hz,2H),3.49(d,J=1.9Hz,6H).13C NMR(125MHz,CD3OD+CDCl3)δ158.15(s),156.36(s),148.35(s),139.64(s),135.02(s),134.43(s),133.49(s),132.01(s),125.81(s),120.21(s),99.26(s),94.28(s),71.99(s),70.24(s),70.17(s),69.49(s),66.84(s),59.20(s),58.76(s).HRMS(ESI)m/z:476.0821calcd for C21H22BrN3O5[M+H]+,found476.0821.
实施例7
N-(4-氟苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-7)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入4-氟苯胺(38mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体66mg,产率55%。熔点:239.3-240.9℃。 1H NMR(500MHz,CD3OD+CDCl3)δ8.51(s,1H),7.67-7.61(m,2H),7.22-7.16(m,2H),7.10(s,1H),4.82(dd,J=11.4,2.2Hz,1H),4.56-4.51(m,1H),4.44(dd,J=11.4,7.5Hz,1H),4.40(t,J=4.4Hz,2H),3.89(dd,J=7.2,3.7Hz,2H),3.83(qd,J=10.8,4.9Hz,2H),3.49(d,J=2.4Hz,6H).13C NMR(125MHz,CD3OD+CDCl3)δ161.19(d,J=245.9Hz),158.41(s),156.26(s),148.41(s),139.75(s),134.42(s),133.38(s),131.84(s),126.41(d,J=8.4Hz),115.75(d,J=11.3Hz),99.12(s),94.29(s),71.96(s),70.25(s),70.18(s),69.45(s),66.80(s),59.20(s),58.76(s).HRMS(ESI)m/z:416.1622calcd for C21H22FN3O5[M+H]+,found 416.1625.
实施例8
N-(3-(三氟甲基)苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-8)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌, 加入3-(三氟甲基)苯胺(56mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体60mg,产率45%。熔点:232.3-233.0℃。1H NMR(500MHz,CD3OD+CDCl3)δ8.60(s,1H),8.05(s,1H),7.89(d,J=7.8Hz,1H),7.63(dt,J=24.5,8.7Hz,2H),7.14(s,1H),4.85(dd,J=11.4,2.2Hz,1H),4.58-4.53(m,1H),4.46(dd,J=11.4,7.5Hz,1H),4.41(t,J=4.4Hz,2H),3.90(dd,J=7.2,3.7Hz,2H),3.84(qd,J=10.8,4.9Hz,2H),3.49(d,J=1.5Hz,6H).13C NMR(125MHz,CD3OD+CDCl3)δ158.45(s),156.54(s),148.42(s),139.67(s),136.60(s),134.51(s),133.58(s),131.21(s),129.65(s),127.73(s),123.44(s),121.15(s),99.29(s),94.25(s),72.04(s),70.21(d,J=9.8Hz),69.53(s),66.85(s),59.19(s),58.75(s).HRMS(ESI)m/z:466.1590calcd for C22H22F3N3O5[M+H]+,found 466.1596.
实施例9
N-(3-乙炔基苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-9)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-氨基苯乙炔(41mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体61mg,产率50%。熔点:238.1-239.3℃。1H NMR(500MHz,CD3OD+CDCl3)δ8.56(s,1H),7.82(d,J=0.9Hz,1H),7.69-7.64(m,1H),7.46-7.41(m,2H),7.14(s,1H),4.84(dd,J=11.4,2.1Hz,1H),4.57-4.53(m,1H),4.45(dd,J=11.4,7.5Hz,1H),4.40(t,J=4.3Hz,2H),3.89(dd,J=6.9,3.6Hz,2H),3.83(qd,J=10.8,4.9Hz,2H),3.49(s,6H),3.38(s,1H).13C NMR(125MHz,CD3OD+CDCl3)δ158.26(s),156.36(s),148.34(s),139.64(s),136.00(s),134.37(s),133.48(s),130.48(s),129.04(s),127.47(s),124.58(s),123.25(s),99.19(s),94.26(s),82.23(s),78.48(s),72.01(s),70.25(s),70.16(s),69.50(s),66.85(s),59.20(s),58.75(s).HRMS(ESI)m/z:422.1716calcd for C23H23N3O5[M+H]+,found422.1720.
实施例10
N-(4-甲基苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-10)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入对甲苯胺(38mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体97mg,产率82%。熔点:245.9-246.7℃。 1H NMR(500MHz,CD3OD+CDCl3)δ8.47(s,1H),7.50(d,J=8.3Hz,2H),7.28(d,J=8.2Hz,2H),7.03(s,1H),4.80(dd,J=11.4,2.1Hz,1H),4.55-4.49(m,1H),4.43(dd,J=11.4,7.5Hz,1H),4.37(t,J=4.4Hz,2H),3.88(dd,J=7.0,3.7Hz,2H),3.81(qd,J=10.8,4.9Hz,2H),3.47(d,J=2.5Hz,6H),2.40(s,3H).13C NMR(125MHz,CD3OD+CDCl3)δ156.14(s),148.35(s),139.81(s),137.34(s),133.34(s),133.15(s),129.55(s),124.09(s),99.14(s),94.17(s),71.94(s),70.22(d,J=4.3Hz),69.41(s),66.81(s),59.16(s),58.73(s),20.45(s).HRMS(ESI)m/z:412.1872calcd forC22H25N3O5[M+H]+,found 412.1879.
实施例11
N-(3-甲氧基苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-11)
步骤1)至12)同实施例1;
将10-氯-5-(2-甲氧基乙基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉(100mg,0.29mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-甲氧基苯胺(43mg,0.35mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体105mg,产率85%。熔点:233.0-233.7℃。1H NMR(500MHz,CD3OD+CDCl3)δ8.54(s,1H),7.39(t,J=8.2Hz,1H),7.31(t,J=2.2Hz,1H),7.28(s,1H),7.17(dd,J=8.0,1.3Hz,1H),6.91(dd,J=8.1,2.1Hz,1H),4.80(dd,J=11.3,2.1Hz,1H),4.53(dt,J=6.7,3.6Hz,1H),4.45(dd,J=11.3,7.4Hz,1H),4.41(t,J=4.3Hz,2H),3.90-3.78(m,7H),3.49(s,6H).13C NMR(125MHz,CD3OD+CDCl3)δ160.15(s),158.13(s),156.21(s),148.28(s),139.33(s),136.70(s),134.47(s),133.41(s),129.91(s),116.08(s),112.43(s),110.14(s),99.15(s),94.69(s),71.75(s),70.16(s),70.12(s),69.52(s),66.93(s),59.43(s),58.92(s),55.30(s),0.75(s).HRMS(ESI)m/z:428.1822calcd for C22H25N3O6[M+H]+,found428.1830.
实施例12
N-(3-氯-4-氟苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-12)
步骤1)至步骤7)同实施例1;
步骤8)2-(甲氧基甲基)-8-(3-吗啉丙氧基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯的制备
往2.45g(9.64mmol)的8-羟基-2-(甲氧基甲基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯中加入50mL的丙酮,4.0g(28.92mmol)无水K2CO3,0.018g(0.11mmol)KI,2.1mL(12.53mmol)的N-(3-氯丙基)吗啉,加热回流,TLC监测反应完毕,减压脱溶,加水,乙酸乙酯萃取,有机相干燥,柱层析得产物2.86g,产率78%。ESI-MS m/z:382.3[M+H]+.
步骤9)2-(甲氧基甲基)-8-(3-吗啉丙氧基)-6-硝基-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯的制备
将2.86g(7.52mmol)的2-(甲氧基甲基)-8-(3-吗啉丙氧基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯用16mL的冰乙酸溶解,冰浴条件下滴入发烟硝酸/冰乙酸(4mL/12mL)的混合液,滴完之后移至室温反应,TLC监测反应完毕,将反应液倒入冰中,有大量固体析出,过滤,沉淀用水洗涤5次,晾干,得纯品2.6g,产率82%。1H NMR(400MHz,CDCl3)δ7.40(s,1H),4.40(dd,J=8.5,3.7Hz,2H),4.16(dd,J=12.9,6.8Hz,3H),3.95(s,3H),3.76-3.68(m,6H),3.42(s,3H),2.53(t,J=7.0Hz,2H),2.48(s,4H),2.08-1.99(m,2H).ESI-MS m/z:427.2[M+H]+.
步骤10)6-氨基-2-(甲氧基甲基)-8-(3-吗啉丙氧基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯的制备
将2g的2-(甲氧基甲基)-8-(3-吗啉丙氧基)-6-硝基-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯加入100mL的烧瓶中,加入50mL的无水乙醇,0.1g 10%钯碳, 催化氢化,反应结束后滤去钯碳,脱溶得产物,产率98%。ESI-MS m/z:397.4[M+H]+.
步骤11)3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮的制备
将2g(5mmol)的6-氨基-2-(甲氧基甲基)-8-(3-吗啉丙氧基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯溶解在20mL的甲酰胺溶液中,搅拌,加热至150℃24小时,冷却,有固体析出,过滤,产物用少量EtOAc洗涤,晾干,得产品1.2g,产率60%。1H NMR(400MHz,DMSO)δ11.78(s,1H),7.85(s,1H),6.76(s,1H),4.44-4.32(m,2H),4.14(t,J=6.4Hz,2H),4.04(dd,J=11.2,7.0Hz,1H),3.64-3.55(m,6H),2.40(dd,J=18.0,10.9Hz,6H),1.91(p,J=6.6Hz,2H).
步骤12)10-氯-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷[2,3-f]喹唑啉的制备
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮加入圆底烧瓶中,加入20mL的POCl3,搅拌,加热回流8小时,减压脱溶,往残留液加入冷的饱和Na2CO3溶液中和,EtOA萃取,干燥有机相,减压脱溶得产品,产率65%。ESI-MSm/z:410.3[M+H]+.
步骤13)N-(3-氯-4-氟苯基)-5-(2-甲氧基乙氧基)-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺的制备(I-13)
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异 丙醇搅拌,加入3-氯-4-氟苯胺(45mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体73mg,产率59%。熔点:158.7-160.8℃。1H NMR(400MHz,CDCl3)δ9.28(s,1H),8.55(s,1H),7.95(d,J=4.3Hz,1H),7.60-7.53(m,1H),7.16(t,J=8.8Hz,1H),6.97(d,J=9.5Hz,1H),4.65(d,J=11.2Hz,1H),4.50(d,J=5.0Hz,1H),4.38(dd,J=11.0,6.9Hz,1H),4.23(t,J=6.4Hz,2H),3.82(dd,J=10.2,4.6Hz,1H),3.75(dd,J=8.9,5.2Hz,5H),3.49(s,3H),2.57(t,J=7.1Hz,2H),2.50(s,4H),2.17-2.05(m,2H).13C NMR(125MHz,CDCl3)δ156.55(s),153.90(s),153.50(d,J=14.2Hz),146.81(s),137.76(s),135.55(s),131.42(s),123.87(s),121.47(d,J=6.7Hz),120.91(d,J=18.5Hz),116.56(s),116.38(s),102.52(s),101.33(s),71.41(s),70.49(s),67.48(s),67.04(s),66.41(s),59.72(s),55.35(s),53.77(s),26.02(s).HRMS(ESI)m/z:519.1811calcd for C25H28ClFN4O5[M+H]+,found 519.1812.
实施例13
N-(3-溴苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-13)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-溴苯胺(53mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体104mg,产率80%。熔点:139.4-141.2℃。1H NMR(400MHz,CDCl3)δ9.37(s,1H),8.57(s,1H),8.04(s,1H),7.70(d,J=1.1Hz,1H),7.25(d,J=4.6Hz,2H),6.96(d,J=8.8Hz,1H),4.65(d,J=11.0Hz,1H),4.55-4.45(m,1H),4.38(dd,J=11.1,6.9Hz,1H),4.23(t,J=6.5Hz,2H),3.78(ddd,J=13.8,8.9,4.4Hz,6H),3.49(s,3H),2.55(dd,J=21.3,14.1Hz,6H),2.10(p,J=6.7Hz,2H).13C NMR(125MHz,CDCl3)δ156.40(s),153.86(s),153.34(s),146.77(s),140.27(s),137.68(s),131.35(s),130.08(s),126.49(s),124.24(s),122.46(s),119.95(s),102.44(s),101.42(s),71.36(s),70.44(s),67.40(s),66.97(s),66.33(s),59.66(s),55.29(s),53.70(s),25.96(s).HRMS(ESI)m/z:545.1400calcd forC25H29BrN4O5[M+H]+,found 545.1403.
实施例14
N-(4-氟苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-14)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入4-氟苯胺(35mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体73mg,产率63%。熔点:122.3-123.4℃。1H NMR(400MHz,CDCl3)δ9.24(s,1H),8.51(s,1H),7.68(dd,J=8.7,4.8Hz,2H),7.10(t,J=8.6Hz,2H),6.95(d,J=9.4Hz,1H),4.63(d,J=11.0Hz,1H),4.50(d,J=6.0Hz,1H),4.37(dd,J=11.1,6.8Hz,1H),4.23(t,J=6.5Hz,2H),3.81(dd,J=10.2,4.6Hz,1H),3.75(t,J=6.6Hz,5H),3.49(s,3H),2.57(t,J=7.1Hz,2H),2.49(s,4H),2.17-2.04(m,2H).13C NMR(125MHz,CDCl3)δ156.86(s),154.26(s),154.07(s),153.23(s),146.69(s),137.91(s),134.69(s),131.18(s),123.91(s),123.85(s),115.64(s),115.46(s),102.37(s),101.31(s),71.32(s),70.45(s),67.38(s),66.98(s),66.28(s),59.65(s),55.30(s),53.71(s),25.97(s).HRMS(ESI)m/z:485.2200calcd for C25H29FN4O5[M+H]+,found 485.2200.
实施例15
N-(3-(三氟甲基)苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-15)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-三氟甲基苯胺(50mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体67mg,产率52%。熔点:130.6-134.4℃。1H NMR(400MHz,CDCl3)δ9.47(s,1H),8.58(s,1H),8.03(d,J=8.4Hz,2H),7.51(t,J=7.7Hz,1H),7.38(d,J=7.6Hz,1H),6.99(d,J=9.6Hz,1H),4.68(d,J=11.0Hz,1H),4.51(d,J=6.0Hz,1H),4.40(dd,J=11.0,6.9Hz,1H),4.24(t,J=6.4Hz,2H),3.83(dd,J=10.2,4.6Hz,1H),3.75(dd,J=10.6,6.3Hz,5H),3.49(s,3H),2.57(t,J=7.1Hz,2H),2.50(s,4H),2.12(dd,J=13.6,6.8Hz,2H).13C NMR(125MHz,CDCl3)δ156.52(s),153.88(s),153.48(s),146.90(s),139.54(s),137.74(s),131.46(s),129.37(s),124.66(s),122.99(s),120.12(d,J=3.9Hz),118.14(d,J=3.9Hz),102.55(s),101.47(s),71.45(s),70.52(s),67.48(s),67.04(s),66.45(s),59.72(s),55.35(s),53.77(s),26.03(s).HRMS(ESI)m/z: 535.2168calcd forC26H29F3N4O5[M+H]+,found 535.2170.
实施例16
N-(3-乙炔基苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-16)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-氨基苯乙炔(37mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体69mg,产率59%。熔点:112.1-113.7℃。1H NMR(400MHz,CDCl3)δ9.35(s,1H),8.55(s,1H),7.84(d,J=9.9Hz,2H),7.34(t,J=7.8Hz,1H),7.24(s,1H),6.95(d,J=9.4Hz,1H),4.63(d,J=11.2Hz,1H),4.49(d,J=5.6Hz,1H),4.37(dd,J=11.1,6.8Hz,1H),4.21(t,J=6.4Hz,2H),4.02(d,J=5.5Hz,1H),3.84-3.66(m,6H),3.47(s,3H),2.53(dd,J=21.4,14.2Hz,6H),2.17-2.00(m,2H).13C NMR(126MHz,CDCl3)δ155.59(s),152.99(s),152.31(s),145.78(s),137.98(s),136.80(s),130.31(s),127.93(s),126.45(s),123.94(s),121.68(s),121.25(s),101.44(s),100.47(s),82.52(s),70.38(s),69.47(s),66.42(s),66.01(s),65.31(s),58.69(s),54.33(s),52.74(s),24.99(s).HRMS(ESI)m/z:491.2294calcd for C27H30N4O5[M+H]+,found 491.2293.
实施例17
N-(3-氟苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-17)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-氟苯基(53mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体76mg,产率65%。熔点:125.0-125.9℃。1H NMR(400MHz,CDCl3)δ9.44(s,1H),8.58(s,1H),7.86(d,J=11.3Hz,1H),7.34(q,J=7.5Hz,2H),6.97(d,J=9.2Hz,1H),6.83(t,J=7.5Hz,1H),4.65(d,J=11.0Hz,1H),4.56-4.45(m,1H),4.38(dd,J=11.1,6.9Hz,1H),4.23(t,J=6.4Hz,2H),3.82(dd,J=10.3,4.6Hz,1H),3.75(dd,J=8.6,5.2Hz,5H), 2.55(dd,J=21.4,14.2Hz,6H),2.10(p,J=6.7Hz,2H).13C NMR(125MHz,CDCl3)δ163.09(d,J=242.5H),156.49(s),153.91(s),153.38(s),146.84(s),140.58(d,J=11.1Hz),137.76(s),131.40(s),129.83(d,J=9.5Hz),116.63(d,J=2.7Hz),110.25(d,J=21.3Hz),108.82(d,J=26.3z),102.52(s),101.51(s),71.41(s),70.50(s),67.46(s),67.04(s),66.38(s),59.72(s),55.35(s),53.77(s),26.02(s).HRMS(ESI)m/z:485.2200calcd forC25H29FN4O5[M+H]+,found 485.2192.
实施例18
N-(3-氯苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-18)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-氯苯基(40mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体94mg,产率78%。熔点:149.0-150.8℃。1H NMR(400MHz,CDCl3)δ9.33(d,J=33.8Hz,1H),8.57(s,1H),7.93(s,1H),7.61(d,J=8.2Hz,1H),7.34-7.28(m,1H),7.09(d,J=7.3Hz,1H),6.96(d,J=8.4Hz,1H),4.66(t,J=10.6Hz,1H),4.53-4.46(m,1H),4.38(dd,J=11.1,6.9Hz,1H),4.22(t,J=6.5Hz,2H),3.81(dd,J=10.2,4.6Hz,1H),3.74(dd,J=8.7,5.2Hz,5H),3.48(s,3H),2.54(dd,J=21.3,14.1Hz,6H),2.10(p,J=6.7Hz,2H).13CNMR(125MHz,CDCl3)δ156.41(s),153.84(s),153.33(s),146.77(s),140.13(s),137.68(s),134.43(s),131.35(s),129.76(s),123.54(s),121.39(s),119.41(s),102.44(s),101.42(s),71.35(s),70.45(s),67.39(s),66.98(s),66.32(s),59.65(s),55.29(s),53.71(s),25.96(s).HRMS(ESI)m/z:501.1905calcd for C25H29ClN4O5[M+H]+,found501.1854.
实施例19
N-(4-溴苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-19)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异 丙醇搅拌,加入4-溴苯胺(54mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体111mg,产率85%。熔点:169.8-172.3℃。1H NMR(400MHz,CDCl3)δ9.29(d,J=32.7Hz,1H),8.54(s,1H),7.67(d,J=8.6Hz,2H),7.50(d,J=8.7Hz,2H),6.96(d,J=9.1Hz,1H),4.64(d,J=10.9Hz,1H),4.55-4.45(m,1H),4.37(dd,J=11.1,6.9Hz,1H),4.23(t,J=6.5Hz,2H),3.81(dd,J=10.2,4.6Hz,1H),3.74(t,J=6.5Hz,5H),3.49(s,3H),2.55(dd,J=21.4,14.2Hz,6H),2.10(p,J=6.8Hz,2H).13C NMR(126MHz,CDCl3)δ156.53(s),153.94(s),153.36(s),146.81(s),138.02(s),137.79(s),131.85(s),131.36(s),123.33(s),116.30(s),102.49(s),101.49(s),71.39(s),70.51(s),67.45(s),67.04(s),66.38(s),59.72(s),55.35(s),53.77(s),26.03(s).HRMS(ESI)m/z:547.1379calcd forC25H29BrN4O5[M+H]+,found 547.1326.
实施例20
N-(4-甲氧基苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-20)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入3-甲氧基苯胺(38mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体80mg,产率67%。熔点:127.6-128.1℃。1H NMR(400MHz,CDCl3)δ9.36(s,1H),8.55(s,1H),7.57(s,1H),7.31(d,J=8.1Hz,1H),7.21(d,J=7.9Hz,1H),6.96(d,J=9.2Hz,1H),6.71(d,J=7.0Hz,1H),4.63(d,J=10.5Hz,1H),4.50(d,J=6.4Hz,1H),4.37(dd,J=11.1,6.8Hz,1H),4.23(t,J=6.5Hz,2H),3.87(s,3H),3.85-3.71(m,6H),3.49(s,3H),2.55(dd,J=21.4,14.2Hz,6H),2.19-2.04(m,2H).13C NMR(125MHz,CDCl3)δ160.13(s),156.70(s),154.08(s),153.16(s),146.71(s),140.02(s),137.87(s),131.17(s),129.50(s),114.03(s),109.22(s),107.89(s),102.37(s),101.51(s),71.32(s),70.46(s),67.36(s),66.98(s),66.25(s),59.65(s),55.32(s),55.31(s),53.70(s),25.97(s).HRMS(ESI)m/z:497.2400calcd for C26H32N4O6[M+H]+,found 497.2349.
实施例21
N-(4-甲氧基苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-21)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入4-甲氧基苯胺(38mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体77mg,产率65%。熔点:129.8-131.3℃。1H NMR(400MHz,CDCl3)δ9.14(s,1H),8.48(s,1H),7.58(d,J=8.6Hz,2H),7.02-6.88(m,3H),4.61(d,J=10.8Hz,1H),4.49(d,J=6.4Hz,1H),4.36(dd,J=11.1,6.8Hz,1H),4.22(t,J=6.4Hz,2H),3.88-3.77(m,4H),3.75(d,J=3.9Hz,5H),3.48(s,3H),2.54(dd,J=21.3,14.2Hz,6H),2.22-2.02(m,2H).13CNMR(125MHz,CDCl3)δ157.17(s),156.53(s),154.33(s),153.06(s),146.61(s),138.08(s),131.59(s),130.99(s),124.22(s),114.21(s),102.29(s),101.33(s),71.31(s),70.48(s),67.34(s),66.98(s),66.21(s),59.64(s),55.50(s),55.31(s),53.70(s),25.98(s).HRMS(ESI)m/z:497.2400calcd for C26H32N4O6[M+H]+,found 497.2348.
实施例22
N-苯基-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-22)
步骤1)至步骤12)同实施例12;
将3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10(9H)-酮(100mg,0.24mmol)加入25mL的圆底烧瓶中,加入10mL的异丙醇搅拌,加入苯胺(29mg,0.31mmol),加热回流2h,冷却,过滤析出的晶体用少量异丙醇洗涤晶体,晾干,得白色固体87mg,产率78%。熔点:128.0-129.7℃。1H NMR(400MHz,CDCl3)δ9.35(s,1H),8.54(s,1H),7.75(d,J=7.9Hz,2H),7.41(t,J=7.7Hz,2H),7.15(t,J=7.2Hz,1H),6.96(d,J=9.2Hz,1H),4.63(d,J=10.8Hz,1H),4.50(d,J=5.4Hz,1H),4.37(dd,J=11.1,6.8Hz,1H),4.23(t,J=6.4Hz,2H),3.87-3.68(m,6H),3.49(s,3H),2.55(dd,J=21.5,14.3Hz,6H),2.10(p,J=6.7Hz,2H).13C NMR(125MHz,CDCl3)δ156.83(s),154.19(s),153.22(s),146.79(s),138.84(s),137.99(s),131.21(s),128.97(s),124.00(s),121.93(s),102.44(s),101.54(s),71.39(s),70.53(s),67.42(s),67.05(s),66.31(s),59.71(s),55.37(s),53.77(s),26.04(s).HRMS(ESI)m/z:467.2294calcd for C25H30N4O6[M+H]+,found467.2247.
实施例23
光学纯的N-(3-氯苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-23与I-24)
将实施例3得到的N-(3-氯苯基)-5-(2-甲氧基乙氧基)-3-(甲氧基甲基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺用高效液相制备色谱仪(Waters 600E-2487)按以下方法进行分离制备。
条件:流动相:乙醇:正己烷=70:30(v/v);洗脱液流速:3mL/min;进样量:2mL;色谱柱:CHIRALPAK AD-H 10×250mm,5μm;填料:硅胶表面涂敷有直链淀粉-三(3,5-二甲苯基氨基甲酸酯);检测波长:254nm。
操作:用流动相溶解实施例3制备得到的外消旋体(I-3),浓度约为2mg/mL,自进样泵注入色谱系统,经过液相色谱的检测分离,收集两种异构体的馏分。循环操作100次。将收集到的两种异构体的所有馏分低温蒸除溶剂,低温干燥即可得到I-23及I-24。
实施例24
N-(3-氯苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺的制备(I-25与I-26)
将实施例18得到的N-(3-氯苯基)-3-(甲氧基甲基)-5-(3-吗啉丙氧基)-2,3-二氢[1,4]二噁烷并[2,3-f]喹唑啉-10-胺用制备型高效液相色谱仪(Waters 600E-2487)按以下方法进行分离可得到两个光学纯的化合物I-25及I-26。
条件:流动相:乙醇:正己烷=80:20(v/v);洗脱液流速:3mL/min;进样量:2mL;色谱柱:CHIRALPAK AD-H 10×250mm,5μm;填料:硅胶表面涂敷有直链淀粉-三(3,5-二甲苯基氨基甲酸酯);检测波长:254nm。
操作:用流动相溶解实施例18制备得到的外消旋体(I-18),浓度约为2mg/mL,自进样泵注入色谱系统,经过液相色谱的检测分离,收集两种异构体的馏分。循环操作100次。将收集到的两种异构体的所有馏分低温蒸除溶剂,低温干燥即可 得到I-25及I-26。
EGFR酪氨酸激酶抑制活性测定
采用Kinase-Glo激酶发光检测法测定化合物(I)的体外抑制活性。测试的酪氨酸激酶为EGFR激酶,对照化合物为已上市的EGFR抑制剂Gefitinib和Erlotinib。方法如下:
(1)将样品化合物溶解在DMSO中,然后用DMSO稀释定量为500μM浓度并转移至定量板中溶液转移到剂量板。化合物以5倍浓度用DMSO连续稀释。然后每个浓度用反应缓冲液按10倍浓度稀释获得10×最终浓度。将浓度范围0.003~50μM的化合物转移至EGFR活性测定板中,剂量为1μL/孔。
(2)用DMSO将阳性对照物吉非替尼配置成10mM浓度的母液,用DMSO稀释至100μM。先以5倍浓度用DMSO连续稀释。然后每个浓度用反应缓冲液按10倍浓度稀释获得10×最终浓度。将浓度范围0.00064~10μM的对照物转移至EGFR活性测定板中,剂量为1μL/孔。
(3)对HPE和ZPE孔,用反应缓冲液将2μL DMSO稀释10倍获得10%DMSO溶液,然后将其转移至活性测定板中,1μL/孔。HPE没有激酶和化合物,但含有ATP,底物和1%DMSO溶液;ZPE(0%效应):没有化合物但含有激酶,ATP,衬底和1%DMSO溶液;阳性化合物孔:含有激酶,ATP,底物和不同浓度的阳性化合物;测试化合物:含有激酶,ATP,底物和不同浓度的待测化合物。
(4)测定所需试剂的准备:4×ATP:将ATP在测定缓冲液中稀释4倍获得工作溶液;4×底物:将Poly(葡萄糖:酪氨酸)在测定缓冲液稀释4倍获得工作溶液;2.5×EGFR激酶:激酶用测定稀释缓冲液稀释2.5倍获得工作溶液。
(5)激酶反应:加入10×化合物到384孔测定板,1μL/孔。对于HPE和ZPE孔,加入相同体积(1μL/孔)的10%DMSO溶液;加入2.5×EGFR激酶至测定板,4μL/孔。对于HPE和ZPE孔,加入相同体积(4μL/孔)的测定缓冲液;将测定板放入离心机以1000rpm离心1分钟以便混合体系;测定板在30℃下预孵化为30分钟;混合同等体积的4×ATP和4×底物获得2×ATP-底物混合物。该混合物是EGFR激酶活性测定受体的反应混合物;加入2×ATP-底物混合物至测定板,5μL/孔;将测定板放入离心机以1000rpm离心1分钟以便混合体系;在30℃将测试板孵化1小时;将Kinase glo plus加入到各自孔中,10μL/孔,再在27℃下将测定板孵化20分钟;用Envision读取荧光强度值。kinase glo plus试剂使用前在室温中放置30分钟。
(6)原始数据的分析处理:用Prism 5.0分析原始数据;化合物的抑制率的计算:Compound inhibitory rate=(“compound”reading-ZPE)/(HPE-ZPE)×100%酶抑制活性
表一 EGFR酪氨酸激酶抑制活性测定结果
用途,制剂,给药
医药用途,适应症
本发明提供的包含生物学数据的化合物使得它们有利于治疗或预防那些酶引起的疾病。例如,本发明的一些化合物已被证明能够抑制EGFR和ErbB2的酪氨酸激酶活性,这些酪氨酸激酶已被证实与癌症等疾病的生长,发育和/或转移密切相关。本发明的一些化合物也已被发现对癌症细胞具有强效的体外抑制活性,其中包括H358细胞和A549细胞。
这样的化合物有利于治疗癌症,包括原发性和转移性癌症,包括实体瘤和其它肿瘤,也包括对其它疗法诸如特罗凯或易瑞沙产生耐药性的肿瘤。
此类癌症包括但不限于非小细胞肺癌,小细胞肺癌,乳腺癌,胰腺癌,神经胶质瘤,胶质母细胞瘤,卵巢癌,子宫颈癌,结肠直肠癌,黑色素瘤,子宫内膜癌,前列腺癌,白血病,胃癌,肝癌,胃肠间质瘤,甲状腺癌,急性髓细胞性白血病,鼻咽癌,胆管癌,包括其中具有耐一种或多种其它治疗,包括但不限于易瑞沙或者特罗凯。
耐各种抗癌剂可来自于癌症的介导物或效应物的一个或多个突变(例如表皮生长因子受体EGFR突变),这些突变具有改变蛋白与药物的结合能力,从而大大降低或完全消除了药物对激酶的抑制作用。例如,表皮生长因子受体(EGFR)T790M突变被认为是减少吉非替尼与EGFR的结合力的主要原因。
再次强调,本发明的化合物,无论是作为单一疗法和联合疗法,可以用于非小细胞肺癌(NSCLC),乳腺癌和其他癌症,包括那些对其它抗癌药物(特别是特罗凯,易瑞沙)产生抗药性的癌症。
制药方法
本发明的方法包括对需要本发明的化合物的受试者给予有效治疗剂量。
“有效治疗剂量”是指能有效检测出杀伤或抑制肿瘤细胞的生长和扩散,减小或抑制肿瘤的大小和肿瘤数量,减缓或降低癌症的水平,阶段,进展或严重程度所需的用药剂量。所需的确切量将随主体而改变,取决于物种,年龄和受试者的一般状况,疾病的严重程度,特定抗癌剂,给药模式,以及其他组合治疗等因素。本发明的化合物或含有本发明的化合物的组合物可以以任何有效剂量并以任何给药方式来完成对肿瘤或任何其他形式的癌症的杀灭或抑制。
本发明的抗癌化合物将以剂量单位形式配制以便于给药。本文所使用的表述“剂量单位形式”是指物理上离散的适合于待治疗的患者的抗癌剂的单元。本发明的化合物或其组合物的每日总用量将由主治医师根据合理的医学判断流程来决定。对于某个特定的患者或生物体,具体的治疗有效剂量将取决于多种因素,包 括所治疗的病症,该病症的严重程度,所采用的具体化合物的效力,所使用的特定组合物;年龄,体重,一般健康状况,性别和患者的饮食;给药的途径和时间表;代谢和/或所述化合物的排泄速率;治疗的持续时间;与本发明的化合物合用的其它药物。
此外,把所需剂量用药学上可接受的载体制成制剂后,本发明的组合物可施用于人和其他动物。施用途径包括口服,直肠,肠胃外,脑池内,阴道内,腹膜内,局部(如通过透皮贴剂,粉剂,软膏,或滴剂),舌下,鼻喷雾等。对于每公斤的患者体重,本发明的化合物的有效的全身剂量通常在0.01至500毫克的化合物的范围内,最佳剂量将是0.1~125毫克/千克的患者体重,在某些情况下为1~25毫克/千克患者体重,以单一或多次给药方式,可以是每天给药,每周(或多天间隔)给药,或以一个间歇时间表给药。例如,所述化合物可以每周一次或多次给药,无限期或持续数周给药,诸如5-10周。
化合物的有效给药量将部分取决于影响药物剂量的众所周知的因素。此外,体外或体内测定可用于帮助鉴定最佳剂量范围。粗略的有效剂量可以从体外或动物模型测试中的剂量反应曲线来推断。精确的剂量水准应该由主治医生来决定,并取决于其他因素,包括给药途径,年龄,体重,性别和个体的健康状况,性别,疾病的严重程度;伴随治疗的使用与否以及患者的细胞在基因工程上的特性。
当用于治疗或抑制某个特定疾病状态或病症时,本发明的化合物的有效剂量可以根据使用不同化合物而变化,也会依据给药模式,条件,病症的严重性,以及与患者相关的各种物理因素而变化。通常,每日用药剂量在0.01毫克/千克-500毫克/千克之间会产生令人满意的结果,理想的每日剂量是0.1至125毫克/千克,而更理想的每日剂量是1至25毫克/千克。每日剂量将会随着给药途径的不同而变化。肠胃外给药剂量通常在10%-20%的口服剂量水平。
当本发明的化合物被用作组合治疗方案的一部分时,该组合物中的不同组分可以在同一时间,作为单独的剂量单元或者作为包含两种成分的单一剂型来给药;组合物中的不同组分也可以在不同时间给药,一个或几个组分可以作为另一个或另几个组分的预治疗。
关于化合物
本发明的化合物可以以游离的形式,或者在适当情况下以药学上可接受的盐或其它衍生物的形式用于治疗。本文所用术语“药学上可接受的盐”是指这样一些从医学角度上判断可用的盐,当其与人类和低等动物的细胞组织相接触时,不会产生过度毒性,刺激性,及过敏反应等,并且当其用于治疗时,具有合理的利益/风险比。在本领域中,诸如胺,羧酸,膦酸,和某些类型的化合物等药学上可接受的盐的制备方法是众所周知的。本发明中化合物的盐可以在该化合物的分离和纯化中制成,也可以单独使本发明的化合物与合适的游离碱或酸反应而成。药学上可接受的无毒的酸加成盐氨基与无机酸或有机酸所形成的氨基盐,无机酸包括盐酸,氢溴酸,磷酸,硫酸和高氯酸等;有机酸包括乙酸,草酸,马来酸,酒石酸,柠檬酸,琥珀酸或丙二酸。也可以通过使用其它众所周知的方法诸如离子交换的方法。其它药学上可接受的盐包括己二酸盐,藻酸盐,抗坏血酸盐,天冬氨酸盐,苯磺酸盐,苯甲酸盐,硫酸氢盐,硼酸盐,丁酸盐,樟脑酸盐,樟脑磺酸盐,柠檬酸盐,环戊烷,二葡糖酸盐,十二烷基硫酸盐,乙磺酸盐,甲酸盐,富马酸盐,葡庚糖酸盐,甘油磷酸盐,葡萄糖酸盐,半硫酸盐,庚,己酸盐,氢碘酸盐,2-羟基乙磺酸盐,乳糖酸盐,乳酸盐,月桂酸盐,月桂基硫酸盐,苹果酸盐,马来酸盐,丙二酸盐,甲烷磺酸盐,2-萘磺酸盐,烟酸盐,硝酸盐,油酸盐,草酸盐,棕榈酸盐,双羟萘酸盐,果胶酸盐,过硫酸盐,过3-苯基丙酸盐,磷酸盐,苦味酸盐,新戊酸盐,丙酸盐,硬脂酸盐,琥珀酸盐,硫酸盐,酒石酸盐,硫氰酸盐,对甲苯磺酸盐,十一烷酸盐,戊酸盐等。代表性的碱或碱土金属盐包括钠,锂,钾,钙,镁,等。其他药学上可接受的盐包括,适当的无毒的铵,季铵,和使用诸如卤离子,氢氧根,羧酸根,硫酸根,磷酸根,硝酸根,低级烷基磺酸盐和芳基磺酸盐形成的胺基阳离子。
另外,如本文所用,术语“药学上可接受的酯”是特指在体内水解的酯,包括那些容易在人体内分解以留下其母体化合物或其盐的酯化物。合适的酯基包括那些由药学上可接受的脂族羧酸,尤其是链烷,链烯酸,环烷酸和链烷双酸衍生而来,其中每个烷基或烯基部分最好具有不超过6个碳原子。具体酯的例子包括甲酸酯,乙酸酯,丙酸酯,丁酸酯,丙烯酸酯和乙基琥珀酸酯。
此外,如本文所用的术语“药学上可接受的前药”是指经过合理的医学判断可以使用的本发明中化合物的前药,当与人类和低等动物的细胞组织相接触时不会产生过度的毒性,刺激性,及过敏反应等,并具有合理的利益/风险比,并对其预期的治疗用途保持有效。在此,术语“前药”指的是通过在体内转化以产生本专利结构式(I)所涵盖的母体化合物,例如化合物在血液中水解。
组合物
本文中所述组合物包括本专利中所涵盖的化合物的任何一个(或前药,药学上可接受的盐或其他药学上可接受的衍生物),以及一种或多种药学上可接受的载体或赋形剂。这些组合物可以进一步包含一种或多种其它治疗剂。另外,本发明的化合物可以与一种或多种其它治疗方案联合用于需要的患者(例如,厄洛替尼或其他激酶抑制剂,干扰素,骨髓移植,癌症疫苗,激素疗法,抗体,辐射等)。
如本文所述,本发明的组合物包含本发明的化合物和药学上可接受的载体,此载体包括任何和所有溶剂,稀释剂或其它赋形剂,分散或悬浮助剂,表面活性剂,等渗剂,增稠剂或乳化剂,防腐剂,固体粘合剂,润滑剂等,以适合于所需的特定剂型。一些药学上可接受的载体材料的实例包括但不限于,糖,如乳糖,葡萄糖和蔗糖;淀粉如玉米淀粉和马铃薯淀粉;纤维素及其衍生物如羧甲基纤维素钠,乙基纤维素和醋酸纤维素;西黄蓍胶粉;麦芽;明胶;滑石粉;赋形剂,例如可可脂和栓剂蜡;油如花生油,棉籽油,红花油,芝麻油,橄榄油,玉米油和大豆油;乙二醇,例如丙二醇;酯类如油酸乙酯和月桂酸乙酯,琼脂;缓冲剂例如氢氧化镁和氢氧化铝;藻酸;无热原水;等渗盐水;林格氏溶液;乙醇,和磷酸盐缓冲溶液,以及其它无毒的相容性润滑剂如月桂基硫酸钠和硬脂酸镁,以及着色剂,释放剂,包衣剂,甜味剂,调味剂和芳香剂,防腐剂和抗氧化剂也可以存在于组合物中。
配方
本发明还涵盖本发明中的活性化合物与一种或多种药学上可接受的载体和/或稀释剂和/或佐剂(在本文中统称为“载体”材料)联合使用的一类组合物,如果需要的话,此组合物也可包含其它活性成分。本发明的活性化合物可以通过任何合适的途径给药,但较为理想的方式是以药物组合物的形式,并施以有效剂量用于治疗。本发明的化合物和组合物可以利用常规的药学上可接受的载体,佐剂,和赋形剂以剂量单位给药,包括口服给药,粘膜给药,局部给药,直肠给药,经 肺给药,如通过吸入喷雾,或胃肠外给药,包括血管内,静脉内,腹膜内,皮下,肌内,胸骨内和输注技术。
本发明的药物活性化合物可以按照药剂学的常规方法处理而产生药剂并施用给患者,包括人类和其他哺乳动物。对于口服给药,药物组合物可以是下列形式:片剂,胶囊剂,混悬剂或液体。所述药物组合物应含有特定量的活性成分并以剂量单位的形式制成。
所述剂量单位的实例是片剂或胶囊。例如,它们可以包含活性成分的量约为1至2000毫克,较为理想的量约为1至500毫克,而更常见的量则大约为5至200毫克。人或其它哺乳动物合适的每日剂量可因患者的身体状态和其他因素而有所不同,但可以使用常规方法来确定。
本发明所涉及的化合物和/或组合物的给药量和剂量方案取决于多种因素,包括受试者的年龄,体重,性别和医疗条件,疾病类型,该疾病严重程度,给药途径和频率,以及所使用的特定化合物。因此,剂量方案可以变化很大,但可使用标准方法来确定。典型的日剂量范围是每公斤体重的化合物量为0.01-500毫克,理想范围是在0.1和125毫克/公斤体重之间,在某些情况下则在1和25毫克/公斤体重之间。如前面提到的,每日剂量可用一次给药来完成,也可以分成2,3,4或更多次给药来完成。
本发明的活性化合物通常与一种或多种佐剂,赋形剂或载体形成结合体以适用于所需的给药途径。如果口服给药,所述化合物可以与乳糖,蔗糖,淀粉粉末,链烷酸纤维素酯,纤维素烷基酯,滑石,硬脂酸,硬脂酸镁,氧化镁,磷酸和硫酸的钠和钙盐,明胶,金合欢胶,藻酸钠,聚乙烯吡咯烷酮和/或聚乙烯醇相混合,然后压片或成胶囊以方便给药。这样的胶囊剂或片剂可以包含一种控释制剂,可将活性化合物分散于羟丙基甲基纤维素来形成制剂。在皮肤病患的情况下,可以将本发明化合物的特有制剂每天一到四次涂于患处,或以其它适当的给药方案。适合于局部给药的制剂包括液体或半液体制剂,此种制剂适于渗透穿过皮肤(如搽剂,洗剂,软膏剂,乳膏剂或糊剂),而滴液适合施用于眼,耳或鼻。适宜的局部剂量是含本发明的化合物的有效活性成分在0.1毫克至150毫克之间,每天一至四次给药,较为理想的是每日1到2次给药。
当使用软膏制剂时,活性成分可与任何石蜡或水混溶性软膏基质。或者,活性成分可以配制成以油包水乳剂为基质的霜剂。局部制剂可以按需要包含一种能帮助穿透皮肤或其它病患区域的化合物以增强活性成分的吸收或渗透。此类真皮渗透增强剂的实例包括二甲基亚砜和其相关类似物。
本发明中的化合物还可以通过透皮装置给药。理想的透皮给药将通过使用含有储液器和多孔质膜或者固体基质的贴剂来实现。如果活性剂通过皮肤吸收,可控的并且预定流量的活性剂将会施用给接受者。在微胶囊的情况下,包囊剂也可起到膜的作用。本发明的乳剂的油相可以由已知成分并以已知方式构成。
乳化剂可以单独成相,也可以包含至少一种乳化剂与脂肪或油的混合物或与脂肪和油两者的混合物。较为理想的选择是,亲水性乳化剂同时与作为稳定剂的亲脂性乳化剂混合使用。同时包括油和脂肪也是较优选择。乳化剂与稳定剂(或不用稳定剂)一起形成所谓的乳化蜡,而该蜡与油和脂肪组成所谓的乳化软膏基质,形成乳膏制剂的油性分散相。适合于在本发明的制剂中使用的乳化剂和乳液稳定剂包括吐温60,司盘80,鲸蜡硬脂醇,肉豆蔻醇,单硬脂酸甘油酯,月桂基硫酸钠,单一的二硬脂酸甘油酯或与乳化蜡的混合物,或在本领域中众所周知的其他材料。
合宜的油或脂肪的选择是基于所需药剂的特性,因为要使用的活性化合物在大多数可能用于药物乳剂制剂的油中具有非常底的溶解度。因此,乳膏应当首选不油腻,不着色和可清洗的产品并具有合适的粘稠度以避免从管中或其他容器中渗漏。直链或支链,一元或二元烷基酯如二异己二酸酯,异十六烷基硬脂酸酯,椰子脂肪酸的丙二醇二酯,肉豆蔻酸异丙酯,油酸癸酯,棕榈酸异丙酯,硬脂酸丁酯,2-乙基己基棕榈酸酯或混合的支链的酯可用于此目的。这些可以单独或组合使用,根据所需的性能而定。另外,高熔点脂质如白色软石蜡和/或液体石蜡或其它矿物油都可以使用。适用于眼部局部给药的制剂还包括滴眼剂,在此,活性成分溶解或悬浮于合适的载体中,其中能溶解活性成分的水性溶剂尤为重要。
存在于这些制剂中的有效成分的优选浓度为0.5%至20%,比较有利的浓度为0.5~10%,特别有利的是约1.5%的浓度。用于肠胃外给药的制剂可以是以水性或非水性的等渗无菌注射溶液或悬浮液的形式。这些溶液和悬浮液可以从无菌粉末或颗粒制备,制备过程中可以使用一个或多个用于制剂的载体或稀释剂或其它合适的分散剂或润湿剂和助悬剂。本发明的化合物可能溶解于水,聚乙二醇,丙二醇,乙醇,玉米油,棉籽油,花生油,芝麻油,苄醇,氯化钠,黄蓍胶和/或各种缓冲液。其它辅助剂和给药方式在制药领域里是众所周知的。本发明的活性成分还可以在与适宜的载体形成组合物后通过注射给药,适宜的载体包括盐水,葡萄糖,水,环糊精(Captisol),共溶剂增溶(即丙二醇)或胶束增溶(即吐温80)。
制剂还可以是无菌注射溶液或悬浮液,通过在肠胃外可接受的无毒稀释剂或溶剂而获得,例如1,3-丁二醇溶液。可使用的赋形剂和溶剂有水,林格氏溶液和等渗氯化钠溶液。此外,无菌,不易挥发性油通常用作溶剂或悬浮介质。任何温和而不易挥发的油都可以用于此目的,包括合成的单或二甘油酯。此外,脂肪酸诸如油酸可以在注射剂的制备中使用。对于肺部给药,所述药物组合物可以通过气雾剂的形式或使用吸入器来完成给药,包括干粉气雾剂。用于直肠给药的栓剂可通过将药物与适宜的无刺激性赋形剂相混合来制备,可用的赋形剂诸如可可脂和聚乙二醇在常温下是固体,但在直肠温度下为液体,因此它们将在直肠中融化并释放出药物。该药物组合物也许需要经过常规的药物操作如灭菌,也许含有常规的佐剂,如防腐剂,稳定剂,润湿剂,乳化剂,缓冲剂等。片剂和丸剂还可能用肠溶衣制备。这样的组合物还可以包含佐剂,如润湿剂,甜味剂,矫味剂和芳香剂。本发明的药物组合物包含本文所述结构式的化合物或其药学上可接受的盐,其它的激酶抑制剂(小分子,多肽,抗体等),免疫抑制剂,抗癌药,抗病毒剂,抗炎剂,抗真菌剂,抗生素或抗血管过度增生化合物;以及任何药学上可接受的载体,佐剂或赋形剂。
本发明的可替代的组合物包括具有本文所述结构式的化合物或其药学上可接受的盐以及药学上可接受的载体,佐剂或赋形剂。这样的组合物可选择性地包含一种或多种额外治疗剂,包括但不限于,激酶抑制剂(小分子,多肽,抗体等),免疫抑制剂,抗癌剂,抗病毒剂,抗炎剂,抗真菌剂,抗生素或抗血管过度增生化合物。
本文所讲“药学上可接受的载体或佐剂”是指一种可与本发明的化合物一起被施用给患者的载体或佐剂,而且其不破坏药物活性,并且当给药剂量足以达到治疗量化合物时也是无毒的。可用于本发明的药物组合物并在药学上可接受的载体,佐剂和赋形剂包括但不限于,离子交换剂,氧化铝,硬脂酸铝,卵磷脂,自乳化药物传递系统(SEDDS),用于药物剂型的表面活性剂,如吐温或其他类 似的聚合物递送基质,血清蛋白如人血清白蛋白,缓冲物质如磷酸盐,甘氨酸,山梨酸,山梨酸钾,饱和植物脂肪酸的偏甘油酯与饱和植物脂肪酸,水,盐或电解质的混合物,如硫酸鱼精蛋白,磷酸氢二钠,磷酸氢钾,氯化钠,锌盐,胶体二氧化硅,三硅酸镁,聚乙烯吡咯烷酮,基于纤维素的物质,聚乙二醇,羧甲基纤维素钠,聚丙烯酸酯,蜡,聚乙烯-聚氧丙烯嵌段聚合物,聚乙二醇和羊毛脂。环糊精如α-,β-,和γ-环糊精,或化学改性衍生物如羟基烷基,包括2和3-羟丙基-环糊精,或者其它溶解的衍生物也可用于提高递送本文所述结构式的化合物。
所述药物组合物可以任何可接受的剂型口服给药,包括但不限于胶囊,片剂,乳剂和水性悬浮液,分散体和溶液。在用于口服使用的片剂的情况下,通常使用的载体包括乳糖和玉米淀粉。润滑剂,如硬脂酸镁,也通常被加入。对于以胶囊形式的口服给药,可用的稀释剂包括乳糖和干燥的玉米淀粉。当以水性悬浮液和/或乳状液形式口服给药时,活性成分可悬浮或溶解于油相中并与乳化剂和/或悬浮剂混合。
如果需要,某些甜味剂,矫味剂和/或着色剂可以被加入。该药物组合物可以包括使用脂质体或微胶囊化技术,其不同的实施范例可以在文献中查到。
所述药物组合物可通过鼻喷雾剂或吸入给药。这样的组合物可根据药物制剂领域中的已知技术制备,并且可以在盐水中制备成溶液,同时采用苯甲醇或其它合适的防腐剂,吸收促进剂(以提高生物利用度),碳氟化合物,和/或其它增溶剂或分散剂,这些范例也都是众所周知的。
联合用药
本发明的化合物可以作为单独的活性药物剂给药,也可以与一种或多种本发明的其它化合物或与一种或多种其它治疗剂联合使用。当联合给药时,治疗剂可以配制成不同的组合物在同一时间给药或顺序地在不同的时间给药,或者所述治疗剂可以配制成单一组合物。有关使用本发明的化合物与其它药剂联合使用的所谓组合疗法是指每种药剂同时给药或者每种药剂顺序给药,以取得药物组合的有利效果。共同给药其中包括每种药剂以同一制剂同时递送(例如,在一个单一的片剂,胶囊剂,注射剂或其它制剂中这些活性剂以固定比率存在),以及每种药剂分别以多个独立剂型同时递送。
本发明的化合物的给药可以同在本领域中已知的预防或治疗癌症的额外疗法联合使用,如放射治疗或细胞生长抑制剂,细胞毒性剂,其它抗癌剂以及其它用来改善癌症症状或副作用的药物。
如果配制成固定剂量,这样的组合产品所含有的本发明的化合物应该在可接受的剂量范围内。当组合制剂不适宜时,本发明的化合物也可以与其他抗癌剂或细胞毒性剂依次给药。本发明并不限于给药的顺序;本发明的化合物可以先行给药,同时给药,或在其他抗癌剂或细胞毒性剂之后给药。
目前,原发肿瘤的标准治疗包括手术切除,并在适当时伴随着辐射疗法或化疗,化疗通常采用静脉注射。典型的化学治疗包括任一DNA烷化剂,DNA嵌入剂,CDK抑制剂或微管毒物。所使用的化疗剂量刚好低于最大耐受剂量,因此通过剂量可调控的毒性通常包括恶心,呕吐,腹泻,脱发,中性粒细胞减少等。
如前所述,本发明化合物可以作为单一疗法应用,也可以作为联合疗法与本发明化合物以外的疗法合用,包括常规外科手术或放射疗法或化学疗法或其他靶向药物疗法或基因疗法或免疫疗法。其中的化学疗法可以与本发明的化合物治疗 手段同时使用,一起使用,依次使用或分开使用,并且可以包括但不限于以下一种或多种类别的抗肿瘤剂:
(1)用于医学肿瘤学的抗增殖/抗肿瘤药及其组合,如烷化剂(例如顺式铂,奥沙利铂,卡铂,环磷酰胺,氮芥,美法仑,苯丁酸氮芥,白消安,替莫唑胺和亚硝基脲);抗代谢物(例如吉西他滨和抗叶酸剂,例如像氟尿嘧啶和替加氟,雷替曲塞,甲氨蝶呤,阿糖胞苷,羟基脲和氟尿嘧啶);抗肿瘤抗生素(例如蒽环类像阿霉素,博莱霉素,阿霉素,柔红霉素,表柔比星,伊达比星,丝裂霉素C,更生霉素和光辉霉素);抗有丝分裂剂(例如长春花生物碱类长春新碱,长春碱,长春地辛和长春瑞滨和紫杉烷类等紫杉醇和泰索帝和波罗激酶抑制剂);和拓扑异构酶抑制剂(例如表鬼臼毒素类依托泊苷和替尼泊苷,安吖啶,托泊替康和喜树碱);
(2)细胞生长抑制剂如抗雌激素药(例如他莫昔芬,氟维司群,托瑞米芬,雷洛昔芬,屈洛昔芬和吲哚昔芬),抗雄激素药(例如比卡鲁胺,氟他胺,尼鲁米特和醋酸环丙孕酮),LHRH拮抗剂或LHRH激动剂(例如戈舍瑞林,亮丙瑞林和布舍瑞林),孕激素(例如醋酸甲地孕酮),芳香酶抑制剂(例如,如阿那曲唑,来曲唑,伏氯唑和依西美坦)和5a-还原酶的抑制剂如非那雄胺;
(3)抗侵入剂,例如,金属蛋白酶抑制剂,如马立马司他和尿激酶纤维蛋白溶酶原激活剂受体功能的抑制剂。
以上所述是本发明的优选实施方式,应当指出,在不脱离本发明所述原理的前提下,本发明还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (8)
1.具有式(I)结构式表示的N-取代苯基-5-取代烷氧基-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺类化合物或者其药学上可接受的盐或其前药分子:
其中,
R1为1)-H,
2)C1-C5的直链或支链烷基,
3)烷氧基或烷氧基取代的C1-C5的直链或支链烷基,
4)含氮饱和杂环基或含氮饱和杂环基取代的C1-C5的直链或支链烷基;
R2为1)-H,
2)卤素,
3)芳香基烷氧基,
4)C1-C3烷基,
5)C1-C3的直链或支链烷氧基,
6)-CF3;
R3为1)-H,
2)卤素,
3)C2-C4不饱和烃基,
4)硝基,氰基,三氟甲基,
5)C1-C3的直链或支链烷氧基。
2.根据权利要求1所述的化合物,其特征在于R1中的烷氧基表示四氢呋喃烷氧基、四氢吡喃烷氧基、二氧六环烷氧基、吗啉烷氧基、C1-C5的直链或支链烷氧基。
3.根据权利要求1所述的化合物,其特征在于R2:
1)卤素为氟、氯、溴;
2)芳香基烷氧基为氟代苄氧基、氯代苄氧基、溴代苄氧基、C1-C3烷基取代的苄氧基、氰基苄氧基、硝基苄氧基、吡啶甲基、C1-C3烷基取代的吡啶甲基、氟代吡啶甲基、氯代吡啶甲基;
3)C1-C3的烷基为:甲基、乙基、丙基、异丙基;
4)C1-C3的直链或支链烷氧基为:甲氧基、乙氧基、丙氧基、异丙氧基。
4.根据权利要求1所述的化合物,其特征在于R3:
1)卤素为氟、氯、溴;
2)C2-C4不饱和烃基为:乙烯基、丙烯基、1-丁烯基、2-丁烯基、乙炔基、丙炔基、1-丁炔基、2-丁炔基;
3)C1-C3的直链或支链烷氧基为:甲氧基、乙氧基、丙氧基、异丙氧基。
5.权利要求1所述的化合物(I)的制备方法,其特征在于包括以下步骤:
(a)2-羟基-3,4-二苄氧基苯甲酸酯在碳酸铯作用下与环氧氯丙烷反应生成式(II)表示的3,4-二苄氧基-2-(2,3-环氧丙基)苯甲酸甲酯;
(b)式(II)表示的化合物在无水甲醇、无水FeCl3作用下生成式(III)表示的化合物3,4-二(苄氧基)-2-(2-羟基-3-甲氧基丙氧基)苯甲酸甲酯;
(c)往式(III)表示的化合物加入乙醇或甲醇,钯碳催化氢化生成式(IV)表示的3,4-二羟基-2-(2-羟基-3-甲氧基丙氧基)苯甲酸甲酯;
(d)往式(IV)表示的化合物中加入SOCl2及几滴DMF常温搅拌再加热回流后减压脱溶。往产物加入丙酮,无水K2CO3和KI,加热回流后分离得到式(V)表示的8-羟基-2-(甲氧基甲基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯;
(e)将式(V)表示的化合物、碳酸钾和带R1基团的卤代烃(或带R1基团的醇通过反应转化为卤代烃)加入到极性非质子性溶剂中,加热至40-100℃反应2-6小时,得到化合物8-取代烷氧基-2-(甲氧基甲基)-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯(VI);
其中,R1表示的基团同权利要求1所述;
(f)将式(VI)表示的化合物用冰乙酸溶解与发烟硝酸/冰乙酸的混酸反应1-4小时,倒入冰水中有固体析出,分离干燥后用钯碳催化还原获得式(VII)表示的8-取代烷氧基-2-(甲氧基甲基)-6-氨基-2,3-二氢苯并[b][1,4]二噁英-5-甲酸甲酯;
其中,R1表示的基团同权利要求1所述;
(g)往式(VII)表示的化合物中加入甲酰胺,加热至140-180℃反应18-36小时,冷却有固体析出,固体物过滤干燥后加入到三氯氧磷中,在80-130℃下反应5-10小时,减压脱溶,往残留液加入冷的饱和Na2CO3溶液中和至pH为8-10,EtOA萃取,干燥有机相,减压浓缩得到式(VIII)表示的10-氯-5-取代-3-(甲氧基甲基)-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉;
其中,R1表示的基团同权利要求1所述;
(h)将式(VIII)所示化合物和取代苯胺溶解在异丙醇中,加热至80-120℃,反应2-8小时后分离得到式(IX)表示的N-取代苯基-5-取代烷氧基-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺;
其中,R1、R2、R3表示的基团同权利要求书1所述。
6.一种治疗癌症的药用化合物,其由权利要求1-5项任一所述N-取代苯基-5-取代烷氧基-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺类化合物或其药学上可接受的盐或其前药分子与药学上可接受的载体组成。
7.权利要求1-4项任一所述N-取代苯基-5-取代烷氧基-3-甲氧基甲基-2,3-二氢-[1,4]二噁烷[2,3-f]喹唑啉-10-胺类化合物或其药学上可接受的盐或其前药分子在治疗癌症的药物中的应用。
8.根据权利要求7所述的应用,其特征是:所述癌症为非小细胞肺癌、小细胞肺癌、乳腺癌、胰腺癌、神经胶质瘤、胶质母细胞瘤、卵巢癌、子宫颈癌、结肠直肠癌、黑色素瘤、子宫内膜癌、前列腺癌、白血病、胃癌、肝癌、胃肠间质瘤、甲状腺癌、急性髓细胞性白血病、鼻咽癌、胆管癌中的任一种。
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