Carbonic acid allyl ester 2-methyl-6-phenylsulfanyl-cyclohepta-1,6-dienyl ester 在
tris(dibenzylideneacetone)dipalladium(0) * CHCl3 (R,R)-bidentate phosphine ligand 作用下,
以
四氢呋喃 为溶剂,
生成 (S)-7-Allyl-7-methyl-3-phenylsulfanyl-cyclohept-2-enone 、 (R)-7-Allyl-7-methyl-3-phenylsulfanyl-cyclohept-2-enone