Noun
Heck reaction (plural Heck reactions)
(chemistry) The reaction of an unsaturated halide (or triflate) with an alkene in the presence of a base and a palladium catalyst to form a substituted alkene.
Synonym: Mizoroki-Heck reaction
A large number of carbon–carbon bonding reactions in organic chemistry (such as the Heck reaction and Suzuki coupling ) are facilitated by palladium compound catalysts. Source: Internet