Process for preparing 1S-1-α, 2-α, 3-β(1S*,2R*) 5-β-3-7-2-(3,4-difluorophenyl)-cyclopropylamino-5-(propylthio)-3H-1,2,3-triazolo 4,5-d pyrimidin-3-yl-5-(2-hydroxyethoxy) cyclopentane-1,2-diol and to its intermediates

摘要

The present invention is directed to a process for preparing [1S-[1α,2α,3β(1S*,2R*),5β]]-3-[7-[2-(3,4-difluorophenyl)-cyclopropylamino]-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl]-5-(2-hydroxyethoxy)cyclopentane-1,2-diol and to intermediates useful in the process.