Preparation of 2-chloro-9-(2'-deoxy-2'-fluoro-Beta-D-arabinofuranosyl)-adenine
申请人:Henschke Julian Paul
公开号:US20120010397A1
公开(公告)日:2012-01-12
A process for making clofarabine comprising: fluorinating a compound of formula VII
wherein each R
4
is independently a hydroxy protecting group, OR
6
is a leaving group, with a fluorinating agent in the presence of guanidine carbonate to give a compound of formula VIII:
wherein R
4
is as defined above; and deprotecting the compound of formula VIII to give the clofarabine.