(E)-allyl 1-(4-ethoxy-4-oxobut-2-enyl)-2-oxo-4-(phenylthio)cyclohex-3-enecarboxylate 在
tris(dibenzylideneacetone)dipalladium(0) * CHCl3 (R,R)-bidentate phosphine ligand 作用下,
以
1,4-二氧六环 为溶剂,
反应 0.5h,
生成 (E)-ethyl 4-(1-allyl-2-oxo-4-(phenylthio)cyclohex-3-enyl)but-2-enoate 、 (E)-ethyl 4-(1-allyl-2-oxo-4-(phenylthio)cyclohex-3-enyl)but-2-enoate