Novel insertion of acetylene into σ-alkynyl palladium complexes

Abstract
trans-[(PEt3)2PdCl(CCPh)] reacts with di-methyl acetylenedicarboxylate to give an insertion product, trans-[(PEt3)2PdCl {C(CO2Me)C(CO2Me)CC-Ph}], a type important in acetylene catalytic oligomerisation processes.