Title:
METHOD FOR PREPARING SARPOGRELATE HYDROCHLORIDE CRYSTAL FORM II
Document Type and Number:
WIPO Patent Application WO/2015/008973
Kind Code:
A1
Abstract:
The present invention relates to a method for preparing a sarpogrelate hydrochloride crystal form II, and more specifically, to a method for efficiently preparing a crystal form II having a purity of 99% or higher from a crude crystal of sarpogrelate hydrochloride by using acetonitrile as a recrystallization solvent.
Inventors:
MIN YUN SIK (KR)
SIM SUNG BO (KR)
BAE KWAN HOO (KR)
LEE HYUNG CHUL (KR)
KIM BYEONG SU (KR)
SIM SUNG BO (KR)
BAE KWAN HOO (KR)
LEE HYUNG CHUL (KR)
KIM BYEONG SU (KR)
Application Number:
PCT/KR2014/006226
Publication Date:
January 22, 2015
Filing Date:
July 10, 2014
Export Citation:
Assignee:
DAE HE CHEMICAL CO LTD (KR)
International Classes:
C07C227/42; C07B63/00; C07C229/34
Foreign References:
| JP2007217333A | 2007-08-30 | |||
| KR20100120558A | 2010-11-16 | |||
| JP2008285445A | 2008-11-27 | |||
| JP2008255065A | 2008-10-23 | |||
| KR20100118747A | 2010-11-08 | |||
| KR100911720B1 | 2009-08-10 | |||
| KR20080097708A | 2008-11-06 | |||
| KR20060093677A | 2006-08-25 |
Attorney, Agent or Firm:
HALLA Patent & Law Firm (KR)
한라특허법인 (KR)
한라특허법인 (KR)
Download PDF: