An efficient LDH-Pd0-catalyzed three-component coupling of aryl iodides, alkynes and alkenes

A three-component coupling of aryl iodides, alkynes, and alkenes to generate 1,3-butadiene derivatives using layered double hydroxides supported nanopalladium (LDH-Pd0) catalyst is described. LDH-Pd0 was recovered quantitatively by simple filtration and reused several times with almost consistent activity.