Insertion of terminal phosphinidene complexes into a nickel–carbon bond; X-ray crystal structure of the complex [CpNi{η-Me-P–CPhCPh–NiCp}P–W(CO)5](Cp = cyclopentadienyl)
Abstract
New phosphametallacyclobutene complexes (4a–c) have been obtained by the reactions of (7-methyl-7-phosphanorbornadiene)pentacarbonyltungsten (1) with some alkynebis(cyclopentadienylnickel) complexes.