JP4676064B2 - 新規プロセス - Google Patents
新規プロセス Download PDFInfo
- Publication number
- JP4676064B2 JP4676064B2 JP2000612269A JP2000612269A JP4676064B2 JP 4676064 B2 JP4676064 B2 JP 4676064B2 JP 2000612269 A JP2000612269 A JP 2000612269A JP 2000612269 A JP2000612269 A JP 2000612269A JP 4676064 B2 JP4676064 B2 JP 4676064B2
- Authority
- JP
- Japan
- Prior art keywords
- compound
- formula
- acid
- hexamethyldisilazide
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/36—Radicals substituted by singly-bound nitrogen atoms
- C07D213/38—Radicals substituted by singly-bound nitrogen atoms having only hydrogen or hydrocarbon radicals attached to the substituent nitrogen atom
-
- 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
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4402—Non condensed pyridines; Hydrogenated derivatives thereof only substituted in position 2, e.g. pheniramine, bisacodyl
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Diabetes (AREA)
- Urology & Nephrology (AREA)
- Epidemiology (AREA)
- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Description
本発明は、ある医薬品の合成のための改良された製造方法に関する。
【0002】
EP 0 633 879 B1は、NMDA受容体アンタゴニスト活性を有するといわれる化合物を開示している。(S)−1−フェニル−2−(2−ピリジル)エタンアミンは、特に卒中の治療にとって、格別に興味深いものである。しかしながら、この化合物の合成のためにEP 0 633 879 B1で開示された方法は、例えば、大規模での使用には不便なブチルリチウムの使用を要するといったある種の不利益がある。
【0003】
今回、ブチルリチウムを使う必要がなく、それゆえ商業的使用により適した、(S)−1−フェニル−2−(2−ピリジル)エタンアミンの合成のための新規プロセスが開発された。本発明の方法ではブチルリチウムを使用する必要がないので、ブタン排出に関連した環境問題で悩まないという付加的な利点も有する。さらに、驚くべきことに本発明の方法は、EP 0 633 879 B1において使用されるような化学量論量の塩基[式(II)の2−ピコリンに関して]よりもむしろ、触媒量の塩基だけで進行し得ることが判明した。総じて、請求された製造方法は、EP 0 633 879 B1のそれよりも、それゆえより効率的で、安全で、環境保全に配慮したもので、安価である。
【0004】
従って、第一の態様において、本発明は式(II):
【化4】
の化合物と式(III):
【化5】
の化合物を、金属ヘキサメチルジシラジド存在下において反応させ、所望によりその後に化合物(I)のエナンチオマーを分割することおよび薬学的に許容される塩を形成することを含む、式(I):
【化6】
の化合物または薬学的に許容されるその塩の合成のための製造方法を提供する。
【0005】
式(III)の化合物は、ベンズアルデヒドおよび金属ヘキサメチルジシラジド、好ましくはリチウムヘキサメチルジシラジド(LHMDS)から合成され得る。好ましくは式(III)の化合物は低温で、つまり35℃以下、好ましくは25℃以下で合成される。
【0006】
化合物(II)および(III)の反応は、加温下に、例えば約40℃で適当に行われる。該反応は、不活性溶媒、好ましくはt−ブチルメチルエーテル、さらに好ましくはテトラヒドロフランのようなエーテル系溶媒中で行われる。好ましくは、金属ヘキサメチルジシラジドはリチウムヘキサメチルジシラジド(LHMDS)であり、この塩基は式(II)の2−ピコリン(2−メチルピリジン)に対して触媒量、例えば約10mol%で使用される。反応液を酸性の後処理をすると、式(I)の所望の化合物を得る。
【0007】
本発明の化合物は、薬学的に許容される溶媒和物および塩を形成し得る。式(I)の化合物は、慣習的で薬学的に許容される酸、例えばリンゴ酸、塩酸、臭化水素酸、リン酸、酢酸、フマル酸、サリチル酸、クエン酸、乳酸、マンデル酸、酒石酸、トリフルオロ酢酸およびメタンスルホン酸といった酸で酸付加塩を形成し得る。好ましい塩は、リンゴ酸塩および塩酸塩である。
【0008】
特に好ましい塩は、EP 0 633 879 B1において開示されているような化合物(I)の単一のエナンチオマー塩を与えるキラル酸を用いて合成され得るものである。好ましくは式(I)のラセミ化合物は、(S)−リンゴ酸で処理され、(S)−1−フェニル−2−(2−ピリジル)エタンアミン (S)−リンゴ酸塩を与える。
【0009】
さらなる態様において、本発明は、ここに記載された方法で製造された(S)−1−フェニル−2−(2−ピリジル)エタンアミンおよびその塩、特に(S)−リンゴ酸塩を提供する。
【0010】
本発明は以下の実施例によって例示される。
【0011】
実施例
(S)−α−フェニル−2−ピリジンエタンアミン (S)−リンゴ酸塩
リチウムヘキサメチルジシラジド溶液(テトラヒドロフラン中1.0M溶液1100ml、1.1mol)を窒素雰囲気下、冷却しながら、テトラヒドロフラン(305ml)中のベンズアルデヒド(102ml、1.0mol)の溶液に、撹拌下、25℃以下に温度を保ちながら滴下した。得られた溶液を20℃で30分間撹拌した後、2−ピコリン(101ml、1.0mol)を一度に加え、続いてさらにテトラヒドロフラン(102ml)を加えた。その後、反応液を30分間かけて40℃まで加熱し、その後90分間40℃に保持した。その後、その溶液を10分かけて20℃まで冷却し、濃塩酸(420ml、5.0mol)の脱塩水(900ml)溶液に、温度を10から20℃の間に保つように冷却しながら滴下した。得られた混合物(pH1)を20℃で15分間撹拌すると、層が分離した。下の水層を分離し、酢酸エチル(2x900ml)で洗浄し、その後、温度を10から20℃の範囲に保つように冷却しながら、水酸化ナトリウム(200g、5.0mol)の脱塩水(830ml)溶液の添加によって塩基性化した。その後、得られた溶液(pH12)を20℃で15分間撹拌し、次いで酢酸エチル(2x800ml)で抽出した。該酢酸エチル溶液を(S)−リンゴ酸(120.7g、0.9mol)のエタノール(1060ml)溶液に加え、続いて表題の化合物の種晶(0.2g)を加えた。この混合液を20℃で30分間撹拌し、その後、0℃まで冷却し、0℃で20時間撹拌した。その懸濁液をろ過し、エタノール(530ml)で洗浄すると、白色固体を得、バキュームオーブン中40℃で一夜乾燥すると、白色固体として(S)−α−フェニル−2−ピリジンエタンアミン (S)−リンゴ酸塩(119.07g、35.8%)を得、既知物質と一致した。
Claims (5)
- 金属ヘキサメチルジシラジドがリチウムヘキサメチルジシラジドである、請求項1記載の方法。
- 化合物(II)および(III)をエーテル系溶媒中で反応させる、請求項1または請求項2記載の方法。
- リチウムヘキサメチルジシラジドが式(II)の化合物に対して触媒量で使用される、請求項1から3までのいずれかに記載の方法。
- 化合物(II)とリチウムヘキサメチルジシラジドのモル比が約10:1である、請求項1から4までのいずれかに記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9901340A SE9901340D0 (sv) | 1999-04-15 | 1999-04-15 | Novel process |
| SE9901340-1 | 1999-04-15 | ||
| PCT/SE2000/000713 WO2000063175A2 (en) | 1999-04-15 | 2000-04-14 | Novel process |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003524625A JP2003524625A (ja) | 2003-08-19 |
| JP2003524625A5 JP2003524625A5 (ja) | 2007-05-10 |
| JP4676064B2 true JP4676064B2 (ja) | 2011-04-27 |
Family
ID=20415222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000612269A Expired - Fee Related JP4676064B2 (ja) | 1999-04-15 | 2000-04-14 | 新規プロセス |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6518432B1 (ja) |
| EP (1) | EP1492769B1 (ja) |
| JP (1) | JP4676064B2 (ja) |
| KR (1) | KR100663811B1 (ja) |
| CN (1) | CN1138759C (ja) |
| AT (1) | ATE333444T1 (ja) |
| AU (1) | AU773962B2 (ja) |
| BR (1) | BR0009795B1 (ja) |
| CA (1) | CA2367410C (ja) |
| DE (1) | DE60029493T2 (ja) |
| ES (1) | ES2267526T3 (ja) |
| IL (2) | IL145585A0 (ja) |
| NO (1) | NO320810B1 (ja) |
| NZ (1) | NZ514586A (ja) |
| SE (1) | SE9901340D0 (ja) |
| TW (1) | TWI248433B (ja) |
| WO (1) | WO2000063175A2 (ja) |
| ZA (1) | ZA200108374B (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PE20120249A1 (es) | 2008-12-24 | 2012-04-19 | Astrazeneca Ab | Compuestos etanaminicos |
| RS58991B1 (sr) | 2013-11-05 | 2019-08-30 | Astrazeneca Ab | Prolekovi nmda antagonista |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9320273D0 (en) * | 1993-04-01 | 1993-11-17 | Fisons Corp | Compound useful in therapy |
| US5455259A (en) * | 1987-02-06 | 1995-10-03 | Fisons Corporation | Compounds for the treatment of neurodegenerative disorders |
| EP0540318A1 (en) * | 1991-10-30 | 1993-05-05 | Fisons Corporation | 2-Heterocyclicethylamine derivatives and their use as pharmaceuticals |
| DE69317411T2 (de) | 1992-04-03 | 1998-07-30 | Ab Astra, Soedertaelje | Enantiomere 1-phenyl-2-(2-pyridinyl)ethylamin für die behandlung neurodegenerativer störungen |
-
1999
- 1999-04-15 SE SE9901340A patent/SE9901340D0/xx unknown
-
2000
- 2000-04-05 TW TW089106214A patent/TWI248433B/zh not_active IP Right Cessation
- 2000-04-14 IL IL14558500A patent/IL145585A0/xx active IP Right Grant
- 2000-04-14 ES ES00925816T patent/ES2267526T3/es not_active Expired - Lifetime
- 2000-04-14 CA CA002367410A patent/CA2367410C/en not_active Expired - Fee Related
- 2000-04-14 NZ NZ514586A patent/NZ514586A/en not_active IP Right Cessation
- 2000-04-14 WO PCT/SE2000/000713 patent/WO2000063175A2/en not_active Ceased
- 2000-04-14 EP EP00925816A patent/EP1492769B1/en not_active Expired - Lifetime
- 2000-04-14 CN CNB00806198XA patent/CN1138759C/zh not_active Expired - Fee Related
- 2000-04-14 AU AU44447/00A patent/AU773962B2/en not_active Ceased
- 2000-04-14 JP JP2000612269A patent/JP4676064B2/ja not_active Expired - Fee Related
- 2000-04-14 BR BRPI0009795-0A patent/BR0009795B1/pt not_active IP Right Cessation
- 2000-04-14 KR KR1020017013069A patent/KR100663811B1/ko not_active Expired - Fee Related
- 2000-04-14 DE DE60029493T patent/DE60029493T2/de not_active Expired - Lifetime
- 2000-04-14 AT AT00925816T patent/ATE333444T1/de not_active IP Right Cessation
- 2000-04-14 US US09/555,050 patent/US6518432B1/en not_active Expired - Lifetime
-
2001
- 2001-09-24 IL IL145585A patent/IL145585A/en not_active IP Right Cessation
- 2001-10-08 NO NO20014889A patent/NO320810B1/no not_active IP Right Cessation
- 2001-10-11 ZA ZA200108374A patent/ZA200108374B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR0009795B1 (pt) | 2011-12-27 |
| CA2367410A1 (en) | 2000-10-26 |
| US6518432B1 (en) | 2003-02-11 |
| KR20010113799A (ko) | 2001-12-28 |
| KR100663811B1 (ko) | 2007-01-03 |
| SE9901340D0 (sv) | 1999-04-15 |
| CN1138759C (zh) | 2004-02-18 |
| DE60029493D1 (de) | 2006-08-31 |
| AU773962B2 (en) | 2004-06-10 |
| NZ514586A (en) | 2003-09-26 |
| NO20014889L (no) | 2001-10-08 |
| ES2267526T3 (es) | 2007-03-16 |
| NO320810B1 (no) | 2006-01-30 |
| ZA200108374B (en) | 2003-08-06 |
| CA2367410C (en) | 2009-08-11 |
| EP1492769A2 (en) | 2005-01-05 |
| EP1492769B1 (en) | 2006-07-19 |
| BR0009795A (pt) | 2002-01-08 |
| CN1370145A (zh) | 2002-09-18 |
| DE60029493T2 (de) | 2007-01-11 |
| JP2003524625A (ja) | 2003-08-19 |
| AU4444700A (en) | 2000-11-02 |
| IL145585A0 (en) | 2002-11-10 |
| TWI248433B (en) | 2006-02-01 |
| ATE333444T1 (de) | 2006-08-15 |
| NO20014889D0 (no) | 2001-10-08 |
| WO2000063175A3 (en) | 2004-11-11 |
| WO2000063175A2 (en) | 2000-10-26 |
| IL145585A (en) | 2006-12-31 |
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Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070313 |
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