ROSS BRUCE S,SOFIA MICHAEL JOSEPH,PAMULAPATI GANAPATI REDDY,RACHAKONDA SUGUNA,ZHANG HAI-REN
申请号：
ZA201207800
公开号：
ZA201207800B
申请日:
2012.10.17
申请国别(地区):
ZA
年份:
2013
代理人:
摘要：
Disclosed herein is a process for preparing an enantiomerically- or a diastereomerically enriched phosphorus-containing active, salt, or pharmaceutically acceptable salt thereof, of formula I-1 , which comprises the steps of: (a) reacting a protected or unprotected Active with a base to form a salt of said active and then reacting said salt with an enantiomerically- or a diastereomerically enriched compound of formula II-1 wherein the Active is a nucleoside, a nucleoside-analog, or a non-nucleoside.
