Rajendra Narayanrao Kankan,Dharmaraj Ramachandra Rao,Manohar Raghunath Surve
申请号：
US13381870
公开号：
US09012689B2
申请日:
2010.07.14
申请国别(地区):
US
年份:
2015
代理人:
摘要：
The present invention relates to a compound of formula A, wherein R is alkyl.Compound A may be used as an intermediate in the preparation of O-desmethyl venlafaxine or a salt thereof, and the present invention provides such a preparation, as well as a process for preparing the compound of formula A.
