(1''R,2''S,2'R,3S,4'S,5'R)-6-chloro-4'-(3-chloro-2-fluoro-phenyl)-2'-(2,2-dimethyl-propyl)-1'-(2-hydroxy-1,2-diphenyl-ethyl)-5'-hydroxymethyl-1H-spiro[indole-3,3'-pyrrolidin]-2-one 、
叔丁基二甲基氯硅烷 在
(E)-6-chloro-3-(3-chloro-2-fluorobenzylidene)indolin-2-one 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
生成 (1''R,2''S,2'R,3S,4'S,5'R)-5'-(tert-butyl-dimethyl-silanyloxymethyl)-6-chloro-4'-(3-chloro-2-fluoro-phenyl)-2'-(2,2-dimethyl-propyl)-1'-(2-hydroxy-1,2-diphenyl-ethyl)-1H-spiro[indole-3,3'-pyrrolidin]-2-one