Halogen-dependent coupling reaction of alkynes with (Z)-3- halopropenoates catalyzed by nickel

Article abstract of DOI:10.1016/S0040-4020(99)00182-9

Ni-catalyzed coupling reaction of alkynes with (Z)-3-halopropenoates depended on the halogen of halopropenoates. The reaction with (Z)-3- bromopropenoate afforded cyclopentadienes and the reaction with (Z)-3- iodopropenoates gave pyrones.