methyl (3aR,4S,5S,5aR,6aR,6bS)-4,5-bis[[tert-butyl(dimethyl)silyl]oxy]-4,5,5a,6,6a,6b-hexahydro-1H-cyclopropa[e]indazole-3a-carboxylate 在
二苯甲酮 作用下,
以
乙腈 为溶剂,
以96%的产率得到methyl (1R,2R,4S,5S,6S,7R)-5,6-bis[[tert-butyl(dimethyl)silyl]oxy]tricyclo[5.1.0.02,4]octane-4-carboxylate