CN101519379A - Method for preparing 5-methylprazine-2-carboxylic acid - Google Patents
Method for preparing 5-methylprazine-2-carboxylic acid Download PDFInfo
- Publication number
- CN101519379A CN101519379A CN200910068469A CN200910068469A CN101519379A CN 101519379 A CN101519379 A CN 101519379A CN 200910068469 A CN200910068469 A CN 200910068469A CN 200910068469 A CN200910068469 A CN 200910068469A CN 101519379 A CN101519379 A CN 101519379A
- Authority
- CN
- China
- Prior art keywords
- preparation
- gram
- carboxylic acid
- consumption
- saturated aqueous
- 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
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100684698A CN101519379B (en) | 2009-04-14 | 2009-04-14 | Method for preparing 5-methylprazine-2-carboxylic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100684698A CN101519379B (en) | 2009-04-14 | 2009-04-14 | Method for preparing 5-methylprazine-2-carboxylic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101519379A true CN101519379A (en) | 2009-09-02 |
CN101519379B CN101519379B (en) | 2011-02-02 |
Family
ID=41080202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009100684698A Active CN101519379B (en) | 2009-04-14 | 2009-04-14 | Method for preparing 5-methylprazine-2-carboxylic acid |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101519379B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103664805A (en) * | 2013-12-05 | 2014-03-26 | 华北水利水电大学 | Method for preparing acipimox |
CN105418342A (en) * | 2015-11-09 | 2016-03-23 | 贝利化学(张家港)有限公司 | High-temperature decarboxylation method |
CN108059621A (en) * | 2018-01-26 | 2018-05-22 | 常州工程职业技术学院 | A kind of process for purification of high-purity 5-Methylpyrazine-2-carboxylic acid |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4769492A (en) * | 1985-03-13 | 1988-09-06 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method for production of 2,3,4,5-tetrafluorobenzoic acid |
CN1155581C (en) * | 2002-07-17 | 2004-06-30 | 常州市康瑞化工有限公司 | Process for preparing 5-methyl pyrazine-2-carboxylic acid |
-
2009
- 2009-04-14 CN CN2009100684698A patent/CN101519379B/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103664805A (en) * | 2013-12-05 | 2014-03-26 | 华北水利水电大学 | Method for preparing acipimox |
CN103664805B (en) * | 2013-12-05 | 2016-05-11 | 华北水利水电大学 | A kind of method of preparing Acipimox |
CN105418342A (en) * | 2015-11-09 | 2016-03-23 | 贝利化学(张家港)有限公司 | High-temperature decarboxylation method |
CN108059621A (en) * | 2018-01-26 | 2018-05-22 | 常州工程职业技术学院 | A kind of process for purification of high-purity 5-Methylpyrazine-2-carboxylic acid |
Also Published As
Publication number | Publication date |
---|---|
CN101519379B (en) | 2011-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102040606B (en) | Synthetic method of vinpocetine | |
CN101519379B (en) | Method for preparing 5-methylprazine-2-carboxylic acid | |
CN104478746B (en) | A kind of preparation method of DL-Lys | |
CN104530090A (en) | Pyridine derivative preparing method | |
CN102731340B (en) | Preparation method of demethyl aureomycin hydrochloride | |
CN104086475B (en) | A kind of preparation method of N-benzyloxycarbonyl group-L-prolineamide | |
CN105646532A (en) | Synthesis method of 2-tertbutyloxycarbonyl-10-carbonyl-8-oxo-2,11-diazaspiro[5.6]dodecane | |
CN104628625A (en) | Synthesis method of N-boc-4-hydroxypiperidine | |
CN103601669B (en) | A kind of synthetic method of 1-tertbutyloxycarbonyl-2-methyl-4-piperidones | |
CN103224489B (en) | Method for enhancing production yield and rate of esomeprazole | |
CN105646306B (en) | Preparation method of 4-methylthio phenylacetic acid | |
CN103467350A (en) | Method for preparing (S)-azetidine-2-carboxylic acid | |
CN103145692A (en) | Preparation method of 4, 5-dihydro-6H-cyclopenta[b]thiophene-6-ketone | |
CN105439892A (en) | Refining method for lisinopril hydride | |
CN111377893B (en) | Synthesis method of 3-n-butyl-l (3H) -isobenzofuranone | |
CN103030591B (en) | Adsorption purification method of 2, 3, 5-trimethyl pyridine | |
CN102336648B (en) | Method for recovering glutaric acid from 7-ACA waste liquid | |
CN102976993A (en) | Synthetic method of 3-hydroxyazetidine hydrochloride | |
CN104109063B (en) | The preparation method of divinyl anthracene compounds | |
CN105061219A (en) | Method for preparing S-1-aminoindane | |
CN115611829A (en) | Preparation method of (S) -3-hydroxytetrahydrofuran | |
CN104277036B (en) | A kind of purification process of (4aS, 7aS) octahydro 1H pyrrolo-[3,4 b] pyridine | |
CN105646262A (en) | Flutamide synthesis process | |
CN108929245A (en) | The preparation method of escitalopram process impurity | |
CN115710159A (en) | Method for purifying 1-ethynyl cyclohexanol by melt crystallization method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 300457 No. seventh, 71 Avenue, Tianjin economic and Technological Development Zone Co-patentee after: Asymchem Medical Group (Tianjin) Inc. Patentee after: Asymchem Life Science and Tecnology (Tianjin) Co., Ltd. Co-patentee after: Asymchem Medical Chemical (Fuxin) Technology Co., Ltd. Co-patentee after: Jilin Asymchem Medicinal and Pharmaceutical Chemistry Co., Ltd. Address before: 300457 No. seventh, 71 Avenue, Tianjin economic and Technological Development Zone Co-patentee before: Kailaiying Medical Chemical (Tianjin) Co., Ltd. Patentee before: Asymchem Life Science and Tecnology (Tianjin) Co., Ltd. Co-patentee before: Asymchem Medical Chemical (Fuxin) Technology Co., Ltd. Co-patentee before: Jilin Asymchem Medicinal and Pharmaceutical Chemistry Co., Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20180704 Address after: 123129 Yi Mo Tu village (fluorinated Industrial Park), Yi Tu Town, Fumeng County, Fuxin, Liaoning Patentee after: Liaoning kailaiying Medical Chemical Co. Ltd. Address before: 300457 No. 71 Seventh Avenue, Tianjin economic and Technological Development Zone Co-patentee before: Asymchem Medical Group (Tianjin) Inc. Patentee before: Asymchem Life Science and Tecnology (Tianjin) Co., Ltd. Co-patentee before: Asymchem Medical Chemical (Fuxin) Technology Co., Ltd. Co-patentee before: Jilin Asymchem Medicinal and Pharmaceutical Chemistry Co., Ltd. |
|
TR01 | Transfer of patent right |