甲基锂 、
(2aS,3aR,5S,6aR)-6a-Benzenesulfonyl-2a,5-dimethyl-7-trifluoromethanesulfonyloxy-2,2a,3,3a,4,5,6,6a-octahydro-1H-cyclobuta[f]indene-5-carboxylic acid methyl ester 在
copper(l) cyanide 作用下,
生成 [(1S,6R,8S,10R)-1-(benzenesulfonyl)-10-(2-hydroxypropan-2-yl)-6,10-dimethyl-2-tricyclo[6.3.0.03,6]undec-2-enyl] trifluoromethanesulfonate 、 [(1S,6R,8S,10R)-10-acetyl-1-(benzenesulfonyl)-6,10-dimethyl-2-tricyclo[6.3.0.03,6]undec-2-enyl] trifluoromethanesulfonate