BYOUNG-KWON CHUN,MICHAEL JOSEPH SOFIA,BRUCE S. ROSS,GANAPATI REDDY PAMULAPATI,SUGUNA RACHAKONDA,HAI-REN ZHANG,PEIYUAN WANG
申请号：
PT13159791
公开号：
PT2609923T
申请日:
2011.03.31
申请国别(地区):
PT
年份:
2017
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.
