CN1276911C - 具有β2-受体兴奋作用的新型苯乙醇胺类化合物及其制法 - Google Patents
具有β2-受体兴奋作用的新型苯乙醇胺类化合物及其制法 Download PDFInfo
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Abstract
本发明是一种具有β2-受体兴奋作用的新型苯乙醇胺类化合物及其制法,它可以有效的治疗哮喘及支气管炎。所说的化合物结构式如下:它可以采用两种化合物合成反应的方法实现,反应在无水条件下进行,反应溶剂为醇类或芳香烃类,反应温度为回流温度,反应时间为10~15小时。本发明合成了一种具有β2-受体兴奋作用的新化合物,为治疗哮喘及支气管炎提供新的途径。
Description
技术领域
本发明涉及医药工业技术领域,确切地说它是一种用于治疗哮喘和支气管炎的具有β2-受体兴奋作用的新型苯乙醇胺类化合物及其制法。
背景技术
哮喘和支气管炎是一种常见的疾病,目前的治疗方法大多采用抗菌素治疗,疗效并不好,并且长期使用还有一定的副作用。而一些用于治疗哮喘的β2-受体激动剂已被公知,这些已知化合物在药效和理化性质等方面都存在着不足。
发明内容
本发明是提供一系列具有β2-受体兴奋作用的新型苯乙醇胺类化合物及其制法,我们进行了结构改造,合成出了一系列未见报道的具有β2-受体兴奋作用的新化合物。
本发明提供了具有β2-受体兴奋作用的新型苯乙醇胺类化合物,所说的新化合物的结构式为:
其中,R1为H、Cl或Br;R2为CN或CF3;R3为C1-6直链烷烃及其异构体、C1-6脂肪醇或C3-6环烷烃;X为Cl或Br;n为0-2。
本发明还提供了一种具有β2-受体兴奋作用的新型苯乙醇胺类式(I)化合物的制备方法,其特征在于:它包括
将式(III)化合物
其中R1为H、Cl或Br,R2为CN或CF3,
与式(IV)化合物反应
H2N-R3(IV)
其中R3为C1-6直链烷烃及其异构体、C1-6脂肪醇或C3-6环烷烃。
在按照本发明的式(I)化合物的制备方法中,化合物(III)和化合物(IV)的反应在无水条件下进行,反应溶剂为醇类或芳香烃类,反应温度为回流温度,反应时间为10-15小时。
具体地,此反应在无水条件下进行,反应溶剂为醇类(例如无水乙醇等)或芳香烃类(例如甲苯等),反应温度为回流温度,反应时间为13小时,产品收率一般为20%-30%。
原料(II)游离碱或其盐,可采用市售的对-氨基苯乙酮。
原料(III)的制备方法如下:
原料(V)的合成见相关文献
原料(V)与硼氢化钾反应,生成化合物(III)。使用溶剂甲醇水溶液,反应温度为室温,反应时间为5小时。
原料(4-氨基-3-氯-5-三氟甲基苯基)环氧乙烷的制备:
将5.6g(0.01769moL)4-氨基-3-氯-5-三氟甲基-α-溴代苯乙酮溶于56mL甲醇中,加水4.9mL,分批加入0.96g(0.1769moL)硼氢化钾,室温反应5小时,冰水冷却下用2N盐酸调至PH=2,减压蒸净溶剂,加水11.2mL,用3×10mL氯仿提取,有机层水洗至中性,无水硫酸镁干燥,蒸净溶剂得油状产品,收率85%~95%,NMR(d6-DMSO)δ:2.88(2H,d),3.89(1H,t),7.08(1H,s),7.24(1H,s)。
在以下实例中,将详细说明化合物(I)的制备。
具体实施方式:
实施例1:
2-(4-氨基-3-氯-5-三氟甲基苯基)-2-叔丁氨基乙醇盐酸盐
第一步:
将5.2g(0.0163moL)(4-氨基-3-氯-5-三氟甲基苯基)环氧乙烷溶于26mL无水乙醇中,加入5.1mL(0.049moL)叔丁胺,加热回流13小时,蒸净溶剂,用2N盐酸提取数次,合并水层,用甲苯提取,活性炭脱色,冷却下用20%氢氧化钠调至PH=10,固化,抽滤得产品2-(4-氨基-3-氯-5-三氟甲基苯基)-2-叔丁氨基乙醇,收率20%~30%,m.p85~90℃。
第二步:
将1.00g2-(4-氨基-3-氯-5-三氟甲基苯基)-2-叔丁氨基乙醇溶于20mL无水乙醚中,滤掉不溶物,搅拌下滴加饱和的氯化氢异丙醇液至PH=2,冷却,抽滤,用少量无水乙醚洗涤,烘干,得粗品2-(4-氨基-3-氯-5-三氟甲基苯基)-2-叔丁氨基乙醇盐酸盐。将粗品溶于无水乙醇中(比例1g:5Ml),滤除不溶物,滴加无水乙醚到有少量晶体析出,冷冻,抽滤,得精品2-(4-氨基-3-氯-5-三氟甲基苯基)-2-叔丁氨基乙醇盐酸盐,收率80%~90%,mp205℃~207℃(dec)。NMR(d6-DMSO)δ:1.24(9H,s),3.77(2H,d),4.43(1H,m),7.72(1H,s),7.87(1H,s)。
实施例2:
2-(4-氨基-3-氯-5-三氟甲基苯基)-2-异丙氨基乙醇
NMR(d6-DMSO)δ:1.08(6H,d),2.85(1H,m),3.80(2H,d),4.38(1H,m),7.70(1H,s),7.80(1H,s)。
实施例3:
2-(4-氨基-3-氯-5-三氟甲基苯基)-2-环戊氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.62(4H,m),1.68(4H,m),2.66(1H,m),3.79(2H,d),4.45(1H,m),7.62(1H,s),7.77(1H,s)。
实施例4:
2-(4-氨基-3-氯-5-三氟甲基苯基)-2-环己氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.30(6H,m),1.42(4H,m),2.80(1H,m),3.74(2H,d),4.40(1H,m),7.62(1H,s),7.89(1H,s)。
实施例5:
2-(4-氨基-3-溴-5-三氟甲基苯基)-2-叔丁氨基乙醇
NMR(d6-DMSO)δ:1.25(9H,m),3.76(2H,d),4.41(1H,m),7.62(1H,s),7.78(1H,s)。
实施例6:
2-(4-氨基-3-溴-5-三氟甲基苯基)-2-异丙氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.08(6H,d),2.85(2H,d),4.33(1H,m),7.76(1H,s),7.90(1H,s)。
实施例7:
2-(4-氨基-3-溴-5-三氟甲基苯基)-2-环丙氨基乙醇
NMR(d6-DMSO)δ:0.82(4H,m),1.62(1H,m),3.82(2H,d),4.41(1H,m),7.79(1H,s),7.88(1H,s)。
实施例8:
2-(4-氨基-3-溴-5-三氟甲基苯基)-2-环丁氨基乙醇盐酸盐
NMR(d6-DMSO)δ:2.02(2H,m),2.14(4H,m),3.15(1H,m),3.79(2H,d),4.41(1H,m),7.68(1H,s),7.78(1H,s)。
实施例9:
2-(4-氨基-3-氯-5-氰基苯基)-2-叔丁氨基乙醇
NMR(d6-DMSO)δ:1.26(9H,s),3.75(2H,d),4.41(1H,m),7.79(1H,s),7.92(1H,s)。
实施例10:
2-(4-氨基-3-氯-5-氰基苯基)-2-异丙氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.08(6H,d),2.85(1H,m),3.78(2H,d),4.39(1H,m),7.75(1H,s),7.89(1H,s)。
实施例11:
2-(4-氨基-3-氯-5-氰基苯基)-2-环丁氨基乙醇盐酸盐
NMR(d6-DMSO)δ:2.08(2H,m),2.12(4H,m),3.13(1H,m),3.77(2H,d),4.43(1H,m),7.78(1H,s),7.88(1H,s)。
实施例12:
2-(4-氨基-3-氯-5-氰基苯基)-2-环戊氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.62(4H,m),1.69(4H,m),2.56(1H,m),3.75(2H,d),4.45(1H,m),7.72(1H,s),7.97(1H,s)。
实施例13:
2-(4-氨基-3-溴-5-氰基苯基)-2-叔丁氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.24(9H,s),3.72(2H,d),4.38(1H,m),7.75(1H,s),7.92(1H,s)。
实施例14:
2-(4-氨基-3-溴-5-氰基苯基)-2-异丙氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.06(6H,d),2.87(1H,m),3.75(2H,d),4.42(1H,m),7.79(1H,s),7.89(1H,s)。
实施例15:
2-(4-氨基-3-溴-5-氰基苯基)-2-环丁氨基乙醇盐酸盐
NMR(d6-DMSO)δ:2.11(2H,m),2.16(4H,m),3.15(1H,m),3.76(2H,d),4.41(1H,m),7.78(1H,s),7.92(1H,s)。
实施例16:
2-(4-氨基-3-溴-5-氰基苯基)-2-环戊氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.60(4H,m),1.66(4H,m),2.52(1H,m),3.73(2H,d),4.43(1H,m),7.78(1H,s),7.87(1H,s)。
实施例17:
2-(4-氨基-3-溴-5-氰基苯基)-2-环己氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.30(6H,m),1.42(4H,m),2.82(1H,m),3.76(2H,d),4.39(1H,m),7.76(1H,s),7.89(1H,s)。
实施例18:
2-(4-氨基-3-氰基苯基)-2-叔丁氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.25(9H,s),3.72(2H,d),4.41(1H,m),7.62(1H,d),7.70(1H,s),7.85(1H,d)。
实施例19:
2-(4-氨基-3-氰基苯基)-2-异丙氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.08(6H,d),2.77(1H,m),3.79(2H,d),4.40(1H,m),7.69(1H,d),7.72(1H,s),7.80(1H,d)。
实施例20:
2-(4-氨基-3-氰基苯基)-2-环丁氨基乙醇盐酸盐
NMR(d6-DMSO)δ:2.09(2H,m),2.13(4H,m),3.18(1H,m),3.75(2H,d),4.38(1H,m),7.68(1H,d),7.75(1H,s),7.92(1H,d)。
实施例21:
2-(4-氨基-3-氰基苯基)-2-环戊氨基乙醇盐酸盐
NMR(d6-DMSO)δ:1.62(4H,m),1.64(4H,m),2.53(1H,m),3.70(2H,d),4.48(1H,m),7.68(1H,d),7.73(1H,s),7.87(1H,d)。
实施例22:
2-(4-氨基-3-氰基苯基)-2-环丙氨基乙醇盐酸盐
NMR(d6-DMSO)δ:0.89(4H,m),1.23(1H,m),3.75(2H,d),4.38(1H,m),7.69(1H,d),7.76(1H,s),7.80(1H,d)。
Claims (3)
1、具有β2-受体兴奋作用的新型苯乙醇胺类化合物,其特征在于:所说的新化合物的结构式为:
其中,R1为H、Cl或Br;R2为CN或CF3;R3为C1-6直链烷烃及其异构体、C1-6脂肪醇或C3-6环烷烃;X为Cl或Br;n为0-2。
2、一种如权利要求1所述的具有β2-受体兴奋作用的新型苯乙醇胺类化合物的制备方法,其特征在于:它包括
将式(III)化合物
其中R1、R2如权利要求1所定义,
与式(IV)化合物反应
H2N-R3(IV)
其中R3如权利要求1所定义。
3、根据权利要求2所述的具有β2-受体兴奋作用的新型苯乙醇胺类化合物的制备方法,其特征在于:化合物(III)和化合物(IV)的反应在无水条件下进行,反应溶剂为醇类或芳香烃类,反应温度为回流温度,反应时间为10-15小时。
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB011282347A CN1276911C (zh) | 2001-09-30 | 2001-09-30 | 具有β2-受体兴奋作用的新型苯乙醇胺类化合物及其制法 |
ES02771983T ES2284926T3 (es) | 2001-09-30 | 2002-09-25 | Nuevos compuestos de feniltanolaminas con una funcion de exticion de un receptor beta2 y metodo para su preparacion. |
PCT/CN2002/000676 WO2003093219A1 (fr) | 2001-09-30 | 2002-09-25 | Nouveaux composes de phenylethanolamine ayant une fonction d'excitation d'un $g(b)2-accepteur et leur procede de preparation |
RU2004112212/04A RU2264382C1 (ru) | 2001-09-30 | 2002-09-25 | Новые фенилэтаноламиновые соединения в качестве агонистов и бета2-рецептора и способ их получения |
DE60219500T DE60219500T2 (de) | 2001-09-30 | 2002-09-25 | Neue phenylethanolaminverbindungen mit erregender wirkung an beta2-akzeptor und verfahren zu deren herstellung |
AT02771983T ATE359261T1 (de) | 2001-09-30 | 2002-09-25 | Neue phenylethanolaminverbindungen mit erregender wirkung an beta2-akzeptor und verfahren zu deren herstellung |
AU2002338124A AU2002338124A1 (en) | 2001-09-30 | 2002-09-25 | NOVEL PHENYLETHANOLAMINE COMPOUNDS HAVING Beta2-ACCEPTOR EXCITATORY FUNCTION AND THEIR PREPARATION METHOD |
DK02771983T DK1439164T3 (da) | 2001-09-30 | 2002-09-25 | Hidtil ukendte phenylethanolaminforbindelser, der har beta2- acceptorexcitatorisk funktion, og deres fremstillingsmetode |
US10/491,028 US7098364B2 (en) | 2001-09-30 | 2002-09-25 | Phenylethanolamine compounds as β2-receptor agonists, and methods of use and preparation thereof |
JP2004501359A JP3990399B2 (ja) | 2001-09-30 | 2002-09-25 | β2−受容体興奮作用を有する新規フェニルエタノールアミン類化合物及びそれらの製造方法 |
EP02771983A EP1439164B1 (en) | 2001-09-30 | 2002-09-25 | Novel phenylethanolamine compounds having beta2-acceptor excitatory function and their preparation method |
HK04107530A HK1064664A1 (en) | 2001-09-30 | 2004-09-30 | Novel phenylethanolamine compounds having beta2-acceptor excitatory function and their preparation method |
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CNB011282347A CN1276911C (zh) | 2001-09-30 | 2001-09-30 | 具有β2-受体兴奋作用的新型苯乙醇胺类化合物及其制法 |
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CN1408703A CN1408703A (zh) | 2003-04-09 |
CN1276911C true CN1276911C (zh) | 2006-09-27 |
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CNB011282347A Expired - Fee Related CN1276911C (zh) | 2001-09-30 | 2001-09-30 | 具有β2-受体兴奋作用的新型苯乙醇胺类化合物及其制法 |
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US (1) | US7098364B2 (zh) |
EP (1) | EP1439164B1 (zh) |
JP (1) | JP3990399B2 (zh) |
CN (1) | CN1276911C (zh) |
AT (1) | ATE359261T1 (zh) |
AU (1) | AU2002338124A1 (zh) |
DE (1) | DE60219500T2 (zh) |
DK (1) | DK1439164T3 (zh) |
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HK (1) | HK1064664A1 (zh) |
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CN100497296C (zh) * | 2006-07-07 | 2009-06-10 | 沈阳药科大学 | 旋光活性的苯乙醇胺类化合物及其制法 |
CN100431535C (zh) * | 2006-09-18 | 2008-11-12 | 锦州九泰药业有限责任公司 | 一种盐酸川丁特罗气雾剂 |
EP1969929A1 (de) | 2007-03-12 | 2008-09-17 | Bayer CropScience AG | Substituierte Phenylamidine und deren Verwendung als Fungizide |
CN102477000B (zh) * | 2010-11-24 | 2013-11-06 | 沈阳药科大学 | 一种苯乙醇胺类化合物的合成方法 |
WO2014108449A1 (en) | 2013-01-08 | 2014-07-17 | Atrogi Ab | A screening method, a kit, a method of treatment and a compound for use in a method of treatment |
CN106279018B (zh) * | 2015-06-26 | 2019-01-29 | 沈阳药科大学 | β2-受体兴奋剂及其制备方法和应用 |
GB201714734D0 (en) | 2017-09-13 | 2017-10-25 | Atrogi Ab | New compounds and uses |
GB201714736D0 (en) | 2017-09-13 | 2017-10-25 | Atrogi Ab | New compounds and uses |
GB201714745D0 (en) | 2017-09-13 | 2017-10-25 | Atrogi Ab | New compounds and uses |
GB201714740D0 (en) | 2017-09-13 | 2017-10-25 | Atrogi Ab | New compounds and uses |
GB202205895D0 (en) | 2022-04-22 | 2022-06-08 | Atrogi Ab | New medical uses |
WO2024153813A1 (en) | 2023-01-20 | 2024-07-25 | Atrogi Ab | Beta 2-adrenergic receptor agonists for treatment or prevention of muscle wasting |
GB202302225D0 (en) | 2023-02-16 | 2023-04-05 | Atrogi Ab | New medical uses |
GB202303229D0 (en) | 2023-03-06 | 2023-04-19 | Atrogi Ab | New medical uses |
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DE4028398A1 (de) * | 1990-09-07 | 1992-03-12 | Thomae Gmbh Dr K | Phenylethanolamine, diese verbindungen enthaltende arzneimittel und verfahren zu ihrer herstellung |
SG55296A1 (en) * | 1996-04-12 | 1998-12-21 | Kissei Pharmaceutical | Phenylethalolaminotetralincarboxamide derivatives |
CN1237574A (zh) * | 1998-05-29 | 1999-12-08 | 中国科学院成都有机化学研究所 | 合成苯乙醇胺类化合物的方法 |
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US20040266867A1 (en) | 2004-12-30 |
AU2002338124A1 (en) | 2003-11-17 |
EP1439164A1 (en) | 2004-07-21 |
DE60219500T2 (de) | 2007-12-13 |
EP1439164B1 (en) | 2007-04-11 |
DK1439164T3 (da) | 2007-08-20 |
HK1064664A1 (en) | 2005-02-04 |
EP1439164A4 (en) | 2005-12-21 |
JP3990399B2 (ja) | 2007-10-10 |
RU2264382C1 (ru) | 2005-11-20 |
CN1408703A (zh) | 2003-04-09 |
JP2005519989A (ja) | 2005-07-07 |
DE60219500D1 (de) | 2007-05-24 |
US7098364B2 (en) | 2006-08-29 |
AU2002338124A8 (en) | 2003-11-17 |
ES2284926T3 (es) | 2007-11-16 |
WO2003093219A1 (fr) | 2003-11-13 |
ATE359261T1 (de) | 2007-05-15 |
RU2004112212A (ru) | 2005-09-10 |
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