PROCESS FOR THE PREPARATION OF MEMANTINE HYDROCHLORIDE

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专利权人:

发明人:

申请号：

EP10849334.7

公开号：

EP2555616A1

申请日:

2010.04.08

申请国别(地区):

EP

年份:

2013

代理人:

摘要：

The present invention provides an improved process for the preparation of 1-bromo-3,5-dimethyladamantane. The present invention also provides a process for preparing free flowing solid of 1-acetamido-3,5-dimethyladamantane. The present invention further provides a process for the preparation of memantine hydrochloride substantially free of 1-amino-3,5,7-trimethyladamantane hydrochloride and/or 1-amino-3-methyladamantane hydrochloride impurity.

来源网站：

中国工程科技知识中心

来源网址：

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