Methanesulfonic acid (R)-1-[(R)-benzyloxycarbonylamino-((4S,5R,4'R)-2,2,2',2'-tetramethyl-[4,4']bi[[1,3]dioxolanyl]-5-yl)-methyl]-propyl ester 在
叠氮化四丁基铵 、
溶剂黄146 作用下,
生成 [(1S,2R,3S,4R)-1-((S)-1-Azido-propyl)-2,3,4,5-tetrahydroxy-pentyl]-carbamic acid benzyl ester