(E)-4-[(1S,6S,7R,8S)-8-(tert-Butyl-diphenyl-silanyloxymethyl)-bicyclo[4.2.0]octa-2,4-dien-7-yl]-but-2-enoic acid methyl ester 以
甲苯 为溶剂,
反应 12.0h,
以92%的产率得到rac-methyl (1R,1aS,1a1S,2R,4aR,5R,6aS,7S)-1-(((tert-butyldiphenylsilyl)oxy)methyl)-1,1a,1a1,2,4a,5,6,6a-octahydro-2,5-methanocyclobuta[cd]indene-7-carboxylate