M. Abarbri et al., Palladium-catalyzed cross-coupling of 3-iodobut-3-enoic acid with organometallic reagents. Synthesis of 3-substituted but-3-enoic acids, J ORG CHEM, 65(22), 2000, pp. 7475-7478
3-Substituted but-3-enoic acids were obtained in good yields under mild exp
erimental conditions by palladium-catalyzed cross-coupling of 3-iodobut-3-e
noic acid with organozinc or organotin compounds using PdCl2(MeCN)(2) as ca
talyst and DMF as solvent.