5(R)-[4-(4-azido-2,6-difluoro-phenyl)-piperazine-1-carbonyl]-2,2-dimethyl-[1,3]dioxolane-4(R)-carboxylic acid methyl ester 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以55%的产率得到[4-(4-azido-2,6-difluoro-phenyl)-piperazin-1-yl]-(5(S)-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4(R)-yl)-methanone