Palladium (II) catalyzed reactions of allyl propynoate in the presence of excess halide ions with or without allyl halide or acrolein were studied, yielding (E)-3-halo-2-allyl-acrylic acid as the sole product. A mecha...Palladium (II) catalyzed reactions of allyl propynoate in the presence of excess halide ions with or without allyl halide or acrolein were studied, yielding (E)-3-halo-2-allyl-acrylic acid as the sole product. A mechanism involving halopalladation, carbopalladation, ring opening and β-heteroatom elimination was proposed and was further justified by the reaction with deuterated substrate.展开更多
基金theMajorStateBasicResearchDevelopmentProgramofChina (No .G2 0 0 0 0 775 0 2 A) ,andtheNationalNaturalScienceFoundationofChina (No.2 0 0 72 0 45 )
文摘Palladium (II) catalyzed reactions of allyl propynoate in the presence of excess halide ions with or without allyl halide or acrolein were studied, yielding (E)-3-halo-2-allyl-acrylic acid as the sole product. A mechanism involving halopalladation, carbopalladation, ring opening and β-heteroatom elimination was proposed and was further justified by the reaction with deuterated substrate.