Carbonic acid allyl ester 6-bromo-2-methyl-5-phenylsulfanyl-cyclohexa-1,5-dienyl ester 在
tris(dibenzylideneacetone)dipalladium(0) * CHCl3 (R,R)-bidentate phosphine ligand 作用下,
以
1,4-二氧六环 为溶剂,
生成 (S)-6-Allyl-2-bromo-6-methyl-3-phenylsulfanyl-cyclohex-2-enone 、 (R)-6-Allyl-2-bromo-6-methyl-3-phenylsulfanyl-cyclohex-2-enone