Title:
COMPOSITION OF (6S)-5-METHYL TETRAHYDROFOLIC ACID OR SALT THEREOF AS WELL AS PREPARATION THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2016/034145
Kind Code:
A1
Abstract:
A composition of (6S)-5-methyl tetrahydrofolic acid or a salt thereof as well as the preparation therefor and an application thereof. The content of the (6S)-5-methyl tetrahydrofolic acid or the salt thereof is not less than 98.0%, the content of a related impurity JK12A is not greater than 0.1%, and 5-methyl tetrahydropteroic acid shall not be detected.
Inventors:
CHENG YONGZHI (CN)
CHENG ZHI (CN)
CHENG ZHI (CN)
Application Number:
PCT/CN2015/088925
Publication Date:
March 10, 2016
Filing Date:
September 04, 2015
Export Citation:
Assignee:
LIANYUNGANG JINKANG HEXIN PHARMACEUTICAL CO LTD (CN)
International Classes:
C07D475/04; A61K31/519; A61P7/06; A61P9/00; A61P17/06; A61P19/02; A61P25/24; A61P29/00; A61P37/02; A61P43/00
Domestic Patent References:
| WO2009103334A1 | 2009-08-27 | |||
| WO2013107236A1 | 2013-07-25 |
Foreign References:
| CN102702200A | 2012-10-03 | |||
| CN102775408A | 2012-11-14 | |||
| CN103694239A | 2014-04-02 | |||
| CN103450202A | 2013-12-18 |
Other References:
See also references of EP 3190112A4
Attorney, Agent or Firm:
NANJING TIANHUA PATENT AGENT CO., LTD. (CN)
南京天华专利代理有限责任公司 (CN)
南京天华专利代理有限责任公司 (CN)
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