methyl (1S,2S,3S,7S,8S,11R)-5,5-dimethyl-8-methylsulfonyloxy-9-oxo-2-phenylmethoxy-4,6-dioxa-13-thia-10-azatricyclo[8.3.0.03,7]tridecane-11-carboxylate 在
sodium azide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 120.0h,
以93%的产率得到methyl (1S,2S,3S,7R,8R,11R)-8-azido-5,5-dimethyl-9-oxo-2-phenylmethoxy-4,6-dioxa-13-thia-10-azatricyclo[8.3.0.03,7]tridecane-11-carboxylate