AN IMPROVED PROCESS FOR THE PREPARATION OF PROMETHAZINE HYDROCHLORIDE.

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专利权人:

发明人:

GURJAR MUKUND KESHAV,TRIPATHY NARENDRA KUMAR,KOTHARKAR SANDEEP ANILRAO,PATIL PRADIP NANA,GOTRANE DINKAR MURLIDHAR,MORE YOGESH PRAKASH,BAPAT KIRAN AVINASH,MEHTA SAMIT SATISH

申请号：

IN2953/MUM/2011

公开号：

IN2011MU02953A

申请日:

2011.10.20

申请国别(地区):

IN

年份:

2013

代理人:

摘要：

The present invention relates to an improved process for the preparation of Promethazine hydrochloride. More particularly, the invention relates to a cost-effective process, which provides Promethazine hydrochloride having desired purity, free from its associated impurity

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/