JP5194105B2 - 1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のアスパラギンサン酸塩、その製造方法、およびそれを含む抗菌用薬学組成物 - Google Patents
1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のアスパラギンサン酸塩、その製造方法、およびそれを含む抗菌用薬学組成物 Download PDFInfo
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- JP5194105B2 JP5194105B2 JP2010502952A JP2010502952A JP5194105B2 JP 5194105 B2 JP5194105 B2 JP 5194105B2 JP 2010502952 A JP2010502952 A JP 2010502952A JP 2010502952 A JP2010502952 A JP 2010502952A JP 5194105 B2 JP5194105 B2 JP 5194105B2
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- acid
- methoxyimino
- diaza
- spiro
- cyclopropyl
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/4353—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems
- A61K31/4375—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a six-membered ring having nitrogen as a ring heteroatom, e.g. quinolizines, naphthyridines, berberine, vincamine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oncology (AREA)
- Communicable Diseases (AREA)
- Epidemiology (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Medicinal Preparation (AREA)
Description
前述した菌株は、呼吸器感染の原因となる病原菌としてよく知られている。よって、改善されたキノロン系抗菌剤、特にこのような病原菌に対して優れた抗菌力を発揮する、改善されたキノロン系抗菌剤が必要である。
(発明の要約)
本発明の一様相は、下記化学式(I)で表される1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のアスパラギン酸塩である:
本明細書に言及される全ての刊行物および特許出願は、それぞれの刊行物または特許出願が具体的且つ個別的に参照文献によって参照されたところと同一の範疇で、本明細書において参考文献によって参照される。
本発明は、1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のアスパラギンサン酸塩に関する。また、本発明は、1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のアスパラギンサン酸塩の製造方法に関する。また、本発明は、1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のアスパラギンサン酸塩を含む抗菌用薬学的組成物に関する。
本明細書および請求項を含んで本出願に使用される下記用語は、別途言及しない限りは下記の定義を有する。本明細書および記載された請求項に使用された単数「a」、「an」、および「the」は、本明細書に別途明示しない限りは複数形を含むという点に留意すべきである。標準化学用語の定義は、『Carey and Sundberg, Advanced Organic Chemistry 4th Ed., Vols. A (2000) and B (2001), Plenum Press, New York, NY』などの参考文献から探し出すことができる。別途記載しない限りは、質量分析、NMR、HPLC、タンパク質化学、生化学、組み換えDNA術および薬理学などの既存の方法は従来の技術の範囲内で適用される。
a)疾病の発病を予防すること、すなわち、疾病の臨床的症状が発達しないようにすること;
b)疾病の発病を遅延させること、すなわち、疾病の臨床的症状が後で発生するようにすること;
c)疾病の発病の重症度を減らすこと、すなわち、疾病の臨床的症状がより激しくならないようにすること;
d)進行中の疾病を緩和すること、すなわち、臨床的症状が退歩するようにすること;
e)進行中の疾病を阻止すること、すなわち、臨床的症状を除去するようにすること、および/または
f)正常生理機能を強化すること。
本明細書で使用される薬学的組成物とは、担体、安定剤、希釈剤、分散剤、懸濁剤、粘増剤および/または賦形剤などの他の化学的成分と少なくとも一つの化学式(I)の化合物との混合物をいう。薬学的組成物は、生体への前記化合物の投与を促進する。少なくとも一つの化学式(I)の化合物を含む薬学的組成物は、これに限定されないが、静脈内、経口、直腸、エアロゾル、非経口、眼、肺、経皮、膣、耳、鼻、および局所塗布を含む、当業界に知られている従来の任意の形態および経路で薬学的組成物として治療学的有効量で投与できる。
本発明の好適な具現例を本明細書に開示および記載したが、このような具現例が一例として提供されたことは当業者には明白であろう。当業者であれば、本発明から逸脱することなく、多様な変更、変化および代替が可能であろう。本明細書に記載された具現例の多様な代案が本発明の実施に使用できるのを理解しなければならない。下記請求の範囲は本発明の範疇を定めようとし、このような請求の範囲の範疇内の方法および構造とこれらの等価物もこれによって説明されるようにする。
1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸(5.0g)を50%のエタノール(80mL)に添加した後、その混合物を50℃で10分間攪拌した。D−アスパラギン酸(2.0g)を添加した後、その混合物を50℃で10分間攪拌した。その混合物を室温に冷却させた後、濾過して生成された固体を集めた。エタノール(100mL)を濾液に添加した後、その混合物を30分間攪拌した。濾過して生成された固体を集め、総5.55gの標的化合物を収得した(収率:83%)。融点:200〜201℃。1H NMR (D2O): δ 0.97 (bs, 2H), 1.27 (d, 2H), 2.00 (dd, 1H, J = 8.8, 17.6 Hz), 2.77 (dd, 1H, J = 3.3, 17.0 Hz), 3.53 (bs, 1H), 3.84 (dd, 1H, J = 3.3, 8.78 Hz), 4.01 (s, 3H), 4.31-4.45 (m, 8H), 7.46 (d, 1H, J = 12.2 Hz), 8.42 (s, 1H)。
1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸(500mg)を50%のエタノール(20mL)に添加した後、その混合物を50℃で10分間攪拌した。L−アスパラギン酸(174mg)を添加した後、その混合物を50℃で1時間攪拌した。その混合物を室温に冷却させた。エタノール(20mL)を反応混合物に添加した後、その混合物を30分間攪拌した。濾過して生成された固体を集め、550mgの標的化合物を収得した(収率:82%)。融点:205〜206℃。1H NMR (d6-DMSO): δ 0.93 (d, 2H, J = 3.5 Hz), 1.20 (d, 2H, J = 6.8 Hz), 2.42 (dd, 1H, J = 9.2, 17.3 Hz), 2.59 (dd, 1H, J = 3.3, 17.2 Hz), 3.50 (m, 1H), 3.59 (1H, dd, J = 3.1, 9.1 Hz), 3.91 (s, 3H), 4.24 (m, 6H), 4.41 (br, 2H), 7.59 (d, 1H, J = 12.4 Hz), 8.41(s, 1H)。
(3−1 塩酸塩)
エタノール(3mL)を0℃に冷却させ、塩化アセチル(1.13mL)を添加した後、その混合物を30分間攪拌した。1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸(800mg)を反応混合物に添加した後、0℃で30分間攪拌した。テトラヒドロフラン(4mL)を添加した後、その混合物を30分間攪拌した。濾過して生成された固体を集め、乾燥させて776mgの標的化合物を収得した(収率:89%)。融点:244〜245℃。1H NMR (d6-DMSO): δ 1.07 (d, 2H, J = 4.7 Hz), 1.21 (d, 2H, J = 6.8 Hz), 3.68 (m, 1H), 3.94 (s, 3H), 4.17 (m, 2H), 4.40 (s, 2H), 4.53 (s, 2H), 8.03 (d, 1H, J = 12.5 Hz), 8.59 (s, 1H)。
1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸(5.0g)を50%のエタノール(180mL)に添加した後、その混合物を50℃で10分間攪拌した。リン酸(0.84mL)を添加した後、その混合物を50℃で1時間攪拌した。その混合物を室温に冷却させた。濾過して生成された固体を集め、乾燥させて3.8gの標的化合物を収得した(収率:61%)。融点:220〜222℃。1H NMR (d6-DMSO): δ 1.11 (d, 2H, J = 4.2 Hz), 1.21 (d, 2H, J = 7.6 Hz), 3.71 (m, 1H), 3.97 (s, 3H), 4.18 (m, 4H), 4.41 (m, 2H), 4.55 (m, 2H), 8.06 (d, 1H, J = 12.6 Hz), 8.59 (s, 1H)。
1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸(5.0g)をエタノール(50mL)に添加した後、85%の蟻酸(0.5mL)を添加した。その混合物を50℃で2時間攪拌した後、室温で3時間さらに攪拌した。濾過して生成された固体を集め、乾燥させて4.07gの標的化合物を収得した(収率:73%)。融点:198〜199℃。1H NMR (d6-DMSO): δ 1.10 (d, 2H, J=2.4 Hz), 1.25 (d, 2H, J = 6.6 Hz), 3.72 (m, 1H), 3.98 (m, 5H), 4.09 (m, 2H), 4.39 (s, 2H), 4.55 (s, 2H), 8.04 (d, 1H, J = 12.6 Hz), 8.31 (s, 1H), 8.58 (s, 1H)。
親化合物の溶解度、塩酸塩の溶解度、D−アスパラギン酸塩の溶解度、およびL−アスパラギン酸塩の溶解度を室温で多様な溶媒条件の下に測定した。その結果を表1に示した。
前述したように製造した1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のD−アスパラギン酸塩および1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のL−アスパラギン酸塩の溶解度、および1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸の多様な塩の溶解度を蒸留水内で、室温で測定した。
実施例1で製造した1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のD−アスパラギン酸塩30mgを100mLの蒸留水に溶かした後、室温で安定度試験を実施した。その結果を表2に示した。
1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のD−アスパラギン酸塩の毒性プロファイルを雄ICRマウスで確認した。雄ICRマウスを6個の投与群(群当たり5匹)に分けた後、24時間絶食させた。1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のD−アスパラギン酸塩(実施例1で準備する)および他の塩形態(メタンスルホン酸塩、塩酸塩、リン酸塩および蟻酸塩を含む)を2000、1000、500、250、125および0(対照群)mg/kgの1日投与量で腹腔内投与し、1日に1回投与(総注射量10mL/kg)した。半数致死量(LD50)、近似致死量および最大耐薬性用量は、14日間観察した後で決定した。
下記方法によって、10mg/mLの活性成分を含む、注射可能な剤形を製造した:
化学式(I)の化合物1g、塩化ナトリウム0.6g、およびアスコルビン酸0.1gを蒸留水に溶かし、最終量が100mLとなるように作った。
14ヶ月齢の雄ビーグル犬(11.80〜13.80kg、Gaoyao Kangda Laboratory、China)に10、5、2.5、1および0(溶媒対照)mg/kg(体重)の投与量の数値で1日1回ずつ2週間静脈内投与を行った。23個の主要臓器の臓器重量および組織病理学的変化とともに、斃死率、体重変化、臨床症状、および肉眼所見を14日間観察した。
7週齢の雄マウス(ICR CD−1)として、体重28〜31gのものを入手して使用した。それぞれの100mg/kg研究および10mg/kg研究に対して、総72匹のマウスを18個群に分け、それらの9個群には塩酸塩の形態(実施例3)を投与し、残りの9個群にはD−アスパラギン酸塩の形態(実施例1)を投与した。
ラットにおける塩酸塩形態(実施例3)およびD−アスパラギン酸塩形態(実施例1)の薬動学的パラメータを比較して表5に示した。
4匹の雄ビーグル犬をGaoyao Kangda Laboratory Animal Sciences & Technology Co.,LTDから購入した。投与量を体重の5mg/0.1mg/kgの濃度で滅菌水内の溶液に剤形化した。D−アスパラギン酸塩の形態(実施例1)を橈側皮静脈(cephalic vein)を介して静脈内投与した。
マウス研究に対して、D−アスパラギン酸塩形態(実施例1)の1回投与静脈内注射を次の投与量で行った:900、400、200、100および50mg/kg/10mL。蒸留水10mg/kgを対照群として使用した。斃死率、体重変化、および臓器重量変化を測定した。また、組織病理学的変化所見を行った。
1回投与毒性の結果を表7に示した。
D−アスパラギン酸塩形態(実施例1)の1日1回2週間反復投与毒性実験を実施例8と同様に犬およびラットの両方ともに対して実施した。i.v.反復1回投与毒性の結果を表8に示した。
骨髄細胞遺伝学は、メカニズムの解明だけでなく、染色体異常誘発活性物質および抗染色体異常誘発活性物質の解明に有用な短期(short term)技術である。『Renner HW, (1990) Mutat Res. 244: 185-8』を参照されたい。小さい齧歯動物を用いる小核試験が、新しく開発された製剤の遺伝毒性をテストするのに敏感な方法であり得る。
筋肉内局所毒性試験のために、D−アスパラギン酸塩形態(実施例1)を7日間1日1回反復的に注射した。使用された投与量は200、100、および50mg/kgであった。また、50mg/kgのシプロフロキサシン(ciprofloxacin)および2mL/kgの蒸留水(対照群)も使用した。投与群当たり5匹のマウスを使用した。
Claims (6)
- 溶媒内で1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸をD−アスパラギン酸と反応させる段階を含む、請求項1に記載の1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のD−アスパラギン酸塩の製造方法。
- 前記溶媒は、酢酸エチル、メタノール、エタノール、イソプロパノール、アセトン、アセトニトリル、ヘキサン、イソプロピルエーテル、および水よりなる群から選ばれる少なくとも一つである、請求項2に記載の製造方法。
- 1−シクロプロピル−6−フルオロ−7−(8−メトキシイミノ−2,6−ジアザ−スピロ[3.4]オクト−6−イル)−4−オキソ−1,4−ジヒドロ−[1,8]ナフチリジン−3−カルボン酸のD−アスパラギン酸塩を含む、抗菌用薬学的組成物。
- 前記組成物は注射用の剤形であることを特徴とする、請求項4に記載の抗菌用薬学的組成物。
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US8324238B2 (en) | 2012-12-04 |
BRPI0810192B1 (pt) | 2019-09-03 |
US20100184795A1 (en) | 2010-07-22 |
KR100953271B1 (ko) | 2010-04-16 |
CA2683939A1 (en) | 2008-10-23 |
WO2008127060A1 (en) | 2008-10-23 |
BRPI0810192C1 (pt) | 2021-05-25 |
PT2134712E (pt) | 2013-11-26 |
CO6251358A2 (es) | 2011-02-21 |
EP2134712A4 (en) | 2011-07-27 |
JP2010523649A (ja) | 2010-07-15 |
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