Carbonic acid allyl ester 2,3,3-trimethyl-5-phenylsulfanyl-cyclohexa-1,5-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)-6-Allyl-5,5,6-trimethyl-3-phenylsulfanyl-cyclohex-2-enone 、 (R)-6-Allyl-5,5,6-trimethyl-3-phenylsulfanyl-cyclohex-2-enone