KR100589966B1 - 베타-케토에스테르 화합물의 제조방법 - Google Patents
베타-케토에스테르 화합물의 제조방법 Download PDFInfo
- Publication number
- KR100589966B1 KR100589966B1 KR1020020062393A KR20020062393A KR100589966B1 KR 100589966 B1 KR100589966 B1 KR 100589966B1 KR 1020020062393 A KR1020020062393 A KR 1020020062393A KR 20020062393 A KR20020062393 A KR 20020062393A KR 100589966 B1 KR100589966 B1 KR 100589966B1
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- South Korea
- Prior art keywords
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- compound
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- alkyl
- acid
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- DEDKKOOGYIMMBC-UHFFFAOYSA-N N#Cc(c(Cl)n1)cc(F)c1Cl Chemical compound N#Cc(c(Cl)n1)cc(F)c1Cl DEDKKOOGYIMMBC-UHFFFAOYSA-N 0.000 description 1
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
- C07D213/60—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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/61—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
- C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Cephalosporin Compounds (AREA)
Abstract
Description
Claims (17)
- 하기 화학식 2의 니트릴 화합물을 용매중에서 아연 금속, 촉매량의 RCO2H, RSO3H, RCO2TMS, RSO3TMS 및 (RSO3)2NH (여기서 R은 수소, 할로겐에 의해 치환되거나 비치환된 탄소수 1 내지 6의 포화 또는 불포화 알킬, 또는 할로겐에 의해 치환되거나 비치환된 탄소수 6 내지 12의 아릴을 나타낸다)로 구성된 그룹에서 선택된 1종 이상의 유기산 또는 그 유도체, 및 하기 화학식 5의 알킬 알파-할로아세테이트 화합물과 반응시킨 후 이를 산수용액 존재하에 가수분해시킴을 특징으로하여 하기 화학식 1의 화합물을 제조하는 방법.[화학식 2][화학식 5][화학식 1]상기식에서R1은 C1-C4-알킬 또는 벤질을 나타내고,X 및 Y는 각각 독립적으로 Cl, F 또는 NO2를 나타내며,W는 Br 또는 I를 나타내고,Q는 C-H, C-F, C-NO2 또는 N을 나타낸다.
- 제1항에 있어서, 원-팟 반응(one-pot reaction)으로 진행되는 방법.
- 제1항에 있어서, 용매가 테트라하이드로푸란, 벤젠, 톨루엔 및 에테르 중에서 선택된 1종 이상인 방법.
- 제3항에 있어서, 용매가 테트라하이드로푸란인 방법.
- 제1항 내지 4항중 어느 한 항에 있어서, 화학식 5의 알킬 알파-할로아세테이트 화합물에서 R1이 C1-C4-알킬인 방법.
- 제5항에 있어서, 화학식 5의 알킬 알파-할로아세테이트 화합물을 화학식 2의 화합물을 기준으로 하여 동몰량 내지 2.0몰배량의 양으로 사용하는 방법.
- 제1항에 있어서, 아연 금속을 화학식 2의 화합물을 기준으로 하여 동몰량 내지 2.0몰배량의 양으로 사용하는 방법.
- 제1항 또는 7항에 있어서, 아연 금속이 dust 또는 powder 형태인 방법.
- 삭제
- 제1항 또는 9항에 있어서, 유기산 또는 그 유도체를 화학식 2의 화합물을 기준으로 하여 0.001 내지 0.1몰배량의 촉매량으로 사용하는 방법.
- 제1항에 있어서, 산수용액이 염산 수용액 또는 황산 수용액인 방법.
- 제11항에 있어서, 산수용액이 염산 수용액인 방법.
- 제11항에 있어서, 산을 화학식 2의 화합물을 기준으로 하여 2 내지 5몰배량의 양으로 사용하는 방법.
- 제11항에 있어서, 산수용액을 0 내지 10℃ 온도에서 적가하고 가수분해 반응을 20 내지 30℃의 온도에서 수행하는 방법.
- 제15항에 있어서, 세척용매로 에탄올 또는 에탄올과 물의 혼합용매를 사용하는 방법.
- 제16항에 있어서, 에탄올과 물의 혼합용매에서 혼합비가 7:3 내지 4:1(v/v)인 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20010063349 | 2001-10-15 | ||
KR1020010063349 | 2001-10-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030031433A KR20030031433A (ko) | 2003-04-21 |
KR100589966B1 true KR100589966B1 (ko) | 2006-06-15 |
Family
ID=19715116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020062393A KR100589966B1 (ko) | 2001-10-15 | 2002-10-14 | 베타-케토에스테르 화합물의 제조방법 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6987199B2 (ko) |
EP (1) | EP1436263B1 (ko) |
JP (1) | JP4147190B2 (ko) |
KR (1) | KR100589966B1 (ko) |
CN (1) | CN1308309C (ko) |
AT (1) | ATE373641T1 (ko) |
DE (1) | DE60222574T2 (ko) |
DK (1) | DK1436263T3 (ko) |
ES (1) | ES2294179T3 (ko) |
PT (1) | PT1436263E (ko) |
WO (1) | WO2003033469A1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1943209B1 (en) * | 2005-09-16 | 2012-06-27 | LG Life Sciences Ltd. | A process for preparing beta-ketoester compounds |
KR100968576B1 (ko) * | 2008-06-10 | 2010-07-08 | 이화여자대학교 산학협력단 | 2-아실-3-아미노-2-알케노에이트의 제조방법 |
CN101774967B (zh) * | 2010-01-27 | 2011-07-27 | 常州寅盛药业有限公司 | 一种制备2,6-二氯-5-氟烟酰乙酸乙酯的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3508816A1 (de) * | 1985-01-10 | 1986-07-10 | Bayer Ag, 5090 Leverkusen | 6,7-disubstituierte 1-cyclopropyl-1,4-dihydro-4-oxo-1,8-naphtyridin-3-carbonsaeuren |
EP0333020A3 (en) * | 1988-03-18 | 1991-03-20 | Abbott Laboratories | Process for the preparation of substituted pyridines |
EP0449445A3 (en) * | 1990-03-27 | 1993-08-25 | Pfizer Inc. | Preparation of beta-ketoesters useful in preparing quinolone antibiotics |
US5204478A (en) * | 1992-08-20 | 1993-04-20 | Warner-Lambert Company | Process for the synthesis of 2,6-dichloro-5-fluoronicotinic acid and 2,6-dichloro-5-fluoronicotinoyl chloride |
KR100372563B1 (ko) | 1996-12-16 | 2003-11-20 | 주식회사 엘지생명과학 | 퀴놀론계항생제중간체인베타-케토에스테르유도체의제조방법 |
KR19980047902U (ko) * | 1996-12-28 | 1998-09-25 | 박병재 | 차량의 자동변속기 유온 예측 장치 |
-
2002
- 2002-10-14 AT AT02781941T patent/ATE373641T1/de active
- 2002-10-14 KR KR1020020062393A patent/KR100589966B1/ko active IP Right Grant
- 2002-10-14 US US10/492,092 patent/US6987199B2/en not_active Expired - Lifetime
- 2002-10-14 WO PCT/KR2002/001918 patent/WO2003033469A1/en active IP Right Grant
- 2002-10-14 DK DK02781941T patent/DK1436263T3/da active
- 2002-10-14 PT PT02781941T patent/PT1436263E/pt unknown
- 2002-10-14 ES ES02781941T patent/ES2294179T3/es not_active Expired - Lifetime
- 2002-10-14 EP EP02781941A patent/EP1436263B1/en not_active Expired - Lifetime
- 2002-10-14 DE DE60222574T patent/DE60222574T2/de not_active Expired - Lifetime
- 2002-10-14 JP JP2003536209A patent/JP4147190B2/ja not_active Expired - Fee Related
- 2002-10-14 CN CNB028204387A patent/CN1308309C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6987199B2 (en) | 2006-01-17 |
PT1436263E (pt) | 2007-12-17 |
ATE373641T1 (de) | 2007-10-15 |
DE60222574T2 (de) | 2008-01-31 |
JP4147190B2 (ja) | 2008-09-10 |
DE60222574D1 (de) | 2007-10-31 |
CN1571771A (zh) | 2005-01-26 |
US20040249163A1 (en) | 2004-12-09 |
ES2294179T3 (es) | 2008-04-01 |
WO2003033469A1 (en) | 2003-04-24 |
CN1308309C (zh) | 2007-04-04 |
EP1436263A4 (en) | 2005-11-02 |
EP1436263A1 (en) | 2004-07-14 |
JP2005510486A (ja) | 2005-04-21 |
EP1436263B1 (en) | 2007-09-19 |
KR20030031433A (ko) | 2003-04-21 |
DK1436263T3 (da) | 2007-11-05 |
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