CN102249974A - 一种(s)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 - Google Patents
一种(s)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 Download PDFInfo
- Publication number
- CN102249974A CN102249974A CN2010101798307A CN201010179830A CN102249974A CN 102249974 A CN102249974 A CN 102249974A CN 2010101798307 A CN2010101798307 A CN 2010101798307A CN 201010179830 A CN201010179830 A CN 201010179830A CN 102249974 A CN102249974 A CN 102249974A
- Authority
- CN
- China
- Prior art keywords
- water
- acetone
- product
- crude product
- preparation
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/273—2-Pyrrolidones 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 other ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
实施例 | (S)-4-氯-3-羟基丁酸乙酯用量 | 甘氨酰胺盐酸盐用量 | 乙醇用量 | 碳酸氢钠用量 | 精制及所用乙醇重量与粗品重量关系 | 一次结晶中的物料(重量份数比) | 一次结晶温度、搅拌时间 | 二次结晶 |
3 | 97.7g | 64.8g | 500ml | 98.5g | 不进行 | 粗品与水1∶0.4,水与丙酮1∶20 | -10~-5℃;2h | 不进行 |
4 | 78.2g | 51.8g | 400ml | 78.8g | 不进行 | 粗品与水1∶0.7,水与丙酮1∶5 | 8~10℃;12h | 与本实施例一次结晶各参数同 |
5 | 156.4g | 103.6g | 800ml | 157.6g | 进行,乙醇为粗品重量的8倍 | 粗品与水1∶0.5,水与丙酮1∶10 | 0~5℃;5h | 不进行 |
6 | 4.9Kg | 3.3Kg | 25L | 4.9Kg | 进行,乙醇为粗品重量的2倍 | 粗品与水1∶0.6,水与丙酮1∶8 | 2~6℃;3h | 不进行 |
Claims (13)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010179830.7A CN102249974B (zh) | 2010-05-21 | 2010-05-21 | 一种(s)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
EP20100851630 EP2573071A4 (en) | 2010-05-21 | 2010-09-09 | PROCESS FOR THE PREPARATION OF (S) -4-HYDROXY-2-OXO-1-PYRROLIDINE ACETAMIDE |
PCT/CN2010/076758 WO2011143873A1 (zh) | 2010-05-21 | 2010-09-09 | 一种(s)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
US13/581,832 US20130060049A1 (en) | 2010-05-21 | 2010-09-09 | Method for preparing (s)-4-hydroxy-2-oxo-1-pyrrolidine acetamide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010179830.7A CN102249974B (zh) | 2010-05-21 | 2010-05-21 | 一种(s)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102249974A true CN102249974A (zh) | 2011-11-23 |
CN102249974B CN102249974B (zh) | 2014-10-15 |
Family
ID=44977587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010179830.7A Active CN102249974B (zh) | 2010-05-21 | 2010-05-21 | 一种(s)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130060049A1 (zh) |
EP (1) | EP2573071A4 (zh) |
CN (1) | CN102249974B (zh) |
WO (1) | WO2011143873A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102452972A (zh) * | 2011-12-28 | 2012-05-16 | 南京优科生物医药有限公司 | 一种制备奥拉西坦化合物的方法 |
WO2013020389A1 (zh) * | 2011-08-11 | 2013-02-14 | 重庆润泽医疗器械有限公司 | 一种左旋奥拉西坦的纯化方法 |
US9238622B2 (en) | 2010-05-21 | 2016-01-19 | Chongqing Runze Pharmaceutical Co., Ltd. | Crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, preparing method and use thereof |
US9440918B2 (en) | 2011-08-11 | 2016-09-13 | Chongqing Runze Pharmaceutical Co., Ltd. | Method for purifying (S)-Oxiracetam |
CN107021912A (zh) * | 2016-01-29 | 2017-08-08 | 重庆润泽医药有限公司 | 研磨制备左旋奥拉西坦晶型i的方法 |
CN109251157A (zh) * | 2017-07-13 | 2019-01-22 | 重庆润泽医药有限公司 | (r)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103554000B (zh) * | 2013-11-06 | 2015-03-11 | 重庆润泽医药有限公司 | (s)-奥拉西坦晶型iii及其制备方法和用途 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1956953A (zh) * | 2004-05-25 | 2007-05-02 | 安国药品株式会社 | 旋光纯4-羟基-2-氧化-1-吡咯烷乙酰胺的制备方法 |
CN101367757A (zh) * | 2008-10-13 | 2009-02-18 | 重庆润泽医疗器械有限公司 | 一种(s)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9121289D0 (en) * | 1991-10-08 | 1991-11-20 | Isf Spa | Composition and use |
CN101575309B (zh) * | 2009-04-28 | 2011-05-18 | 中国医药集团总公司四川抗菌素工业研究所 | 合成(s)-奥拉西坦的方法 |
-
2010
- 2010-05-21 CN CN201010179830.7A patent/CN102249974B/zh active Active
- 2010-09-09 US US13/581,832 patent/US20130060049A1/en not_active Abandoned
- 2010-09-09 EP EP20100851630 patent/EP2573071A4/en not_active Withdrawn
- 2010-09-09 WO PCT/CN2010/076758 patent/WO2011143873A1/zh active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1956953A (zh) * | 2004-05-25 | 2007-05-02 | 安国药品株式会社 | 旋光纯4-羟基-2-氧化-1-吡咯烷乙酰胺的制备方法 |
CN101367757A (zh) * | 2008-10-13 | 2009-02-18 | 重庆润泽医疗器械有限公司 | 一种(s)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
Non-Patent Citations (1)
Title |
---|
S.BANFI ET AL.: ""Cyclic GABA-GABOB analogues"", 《IL FARMACO》 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9238622B2 (en) | 2010-05-21 | 2016-01-19 | Chongqing Runze Pharmaceutical Co., Ltd. | Crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, preparing method and use thereof |
WO2013020389A1 (zh) * | 2011-08-11 | 2013-02-14 | 重庆润泽医疗器械有限公司 | 一种左旋奥拉西坦的纯化方法 |
US9440918B2 (en) | 2011-08-11 | 2016-09-13 | Chongqing Runze Pharmaceutical Co., Ltd. | Method for purifying (S)-Oxiracetam |
CN102452972A (zh) * | 2011-12-28 | 2012-05-16 | 南京优科生物医药有限公司 | 一种制备奥拉西坦化合物的方法 |
CN102452972B (zh) * | 2011-12-28 | 2015-06-17 | 南京优科生物医药有限公司 | 一种制备奥拉西坦化合物的方法 |
CN107021912A (zh) * | 2016-01-29 | 2017-08-08 | 重庆润泽医药有限公司 | 研磨制备左旋奥拉西坦晶型i的方法 |
CN109251157A (zh) * | 2017-07-13 | 2019-01-22 | 重庆润泽医药有限公司 | (r)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2011143873A1 (zh) | 2011-11-24 |
EP2573071A1 (en) | 2013-03-27 |
CN102249974B (zh) | 2014-10-15 |
EP2573071A4 (en) | 2013-10-16 |
US20130060049A1 (en) | 2013-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102249974A (zh) | 一种(s)-4-羟基-2-氧代-1-吡咯烷乙酰胺的制备方法 | |
CN105209431A (zh) | 由羟乙基磺酸碱金属盐和乙烯基磺酸碱金属盐循环制备牛磺酸的方法 | |
CN106478482A (zh) | 一种奥拉西坦的合成方法 | |
CN104561202B (zh) | 一种酶催化合成丙谷二肽的制备方法及工艺系统 | |
CN106117183B (zh) | 一种高纯度苯磺贝他斯汀的精制方法 | |
CN104557674B (zh) | 一种(S)‑N‑Boc‑3‑羟基哌啶的制备方法 | |
CN103111228B (zh) | 一种用于精制表面活性剂的混合溶剂及其纯化方法 | |
CN104591999A (zh) | 一种长链有机酸的提纯方法 | |
CN115850169A (zh) | 苯磺顺阿曲库铵杂质及其中间体的制备方法 | |
CN102603595B (zh) | (s)-奥拉西坦的制备方法 | |
CN103193632B (zh) | 一种水杨酸咪唑的合成方法 | |
CN112239412B (zh) | 一种溴芬酸钠倍半水合物的精制及制备方法 | |
CN104177271B (zh) | 一种氯化乙酰左卡尼汀的制备方法 | |
CN102603594A (zh) | (s)-奥拉西坦的制备方法 | |
CN102516114B (zh) | 一种r-(-)-2-氨基-3-甲氧基-n-苄基丙酰胺-d-酒石酸盐及其制备方法 | |
CN102206185B (zh) | 一种苄达赖氨酸及其类似物的精制工艺 | |
CN103772224B (zh) | D-苏氨酸的制备方法 | |
CN103936644A (zh) | 佐芬普利钙的制备方法 | |
CN105884763A (zh) | 一种阿哌沙班的纯化方法 | |
CN108976190A (zh) | 一种从洛伐他汀结晶母液中回收洛伐他汀的方法 | |
CN102993145B (zh) | 一种提取纯化洛伐他汀的方法 | |
CN115611899B (zh) | 一种l-5-甲基四氢蝶酸的制备方法 | |
CN114436898A (zh) | 一种硫酸胍的生产工艺 | |
CN102633692B (zh) | 一种光学活性左旋和右旋3-溴樟脑-8-磺酸的制备方法 | |
CN106699626B (zh) | 一种2-羟基-3-甲氧基-3,3-二苯基丙酸盐消旋体的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Chen Yuying Inventor after: Xu Nan Inventor after: Rong Zuyuan Inventor after: Jin Lei Inventor after: Feng Hua Inventor after: Li Fei Inventor after: Li Bo Inventor after: You Chao Inventor after: Pang Qi Inventor after: Ye Lei Inventor before: Chen Yuying Inventor before: Jin Lei Inventor before: Feng Hua Inventor before: Li Fei Inventor before: Wang Zhiqiang Inventor before: You Chao Inventor before: Rong Zuyuan Inventor before: Li Kun Inventor before: Wang Yingying Inventor before: Luo Gang Inventor before: Xue Yu Inventor before: Zou Yun Inventor before: Chen Yuan Inventor before: Ye Lei |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN YUYING RONG ZUYUAN LI KUN WANG YINGYING LUO GANG XUE YU ZOU YUN CHEN YUAN YE LEI JIN LEI FENG HUA LI FEI WANG ZHIQIANG YOU CHAO TO: CHEN YUYING RONG ZUYUAN JIN LEI FENG HUA LI FEI LI BO YOU CHAO PANG QI YE LEI XU NAN |
|
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: 400042 Chongqing city Yubei District Qinye Road No. 9 Applicant after: Chongqing Runze Pharmaceutical Co., Ltd. Address before: 401120 Chongqing city Yubei District Shuangfeng Bridge Street Airport Road No. 296 Building 1 yuan and 7 2- store Applicant before: Chongqing Runze Medical Instruments Ltd. |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: CHONGQING RUNZE MEDICAL INSTRUMENTS LTD. TO: CHONGQING RUNZE PHARMACEUTICAL CO., LTD. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Ye Lei Inventor before: Chen Yuying Inventor before: Xu Nan Inventor before: Rong Zuyuan Inventor before: Jin Lei Inventor before: Feng Hua Inventor before: Li Fei Inventor before: Li Bo Inventor before: You Chao Inventor before: Pang Qi Inventor before: Ye Lei |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN YUYING RONG ZUYUAN JIN LEI FENG HUA LI FEI LI BO YOU CHAO PANG QI YE LEI XU NAN TO: YE LEI |