Synthesis and protonation reactions of trimethylphosphine-substituted carbyne complexes of molybdenum and tungsten. The tungsten alkylidene complexes [(W:CHR)Cl2(CO)(PMe3)2] as precursors for carbyne complexes containing weakly coordinated ligands

Abstract

Synthese des complexes [(W≡CR)Cl(CO)(PMe 3 ) 3 ] et [M≡CPh)Br(PMe 3 ) 4 ]. Reactions avec HBr. Structure cristalline de [(W=CHPh)Cl 2 (CO)(PMe 3 ) 2 ]