(1R,2R,3S,4S,5R,5'S)-1-((tert-butyldiphenylsilyloxy)methyl)-2'-(4-methoxyphenyl)-5'-methyl-2-(triethylsilyloxy)-5'H-6-oxaspiro[bicyclo[3.1.0]hexane-3,4'-oxazole]-4-yl acetate 在
(二甲基氨基)三甲基锡 作用下,
以
甲苯 为溶剂,
反应 3.0h,
以87%的产率得到(1R,2R,3R,4S,5R,5'S)-1-((tert-butyldiphenylsilyloxy)methyl)-2'-(4-methoxyphenyl)-5'-methyl-2-(triethylsilyloxy)-5'H-6-oxaspiro[bicyclo[3.1.0]hexane-3,4'-oxazol]-4-ol