A mild synthesis for tetrakis-donor-substituted molybdenum carbonyls

Abstract
Reaction of halogenobisacetonitrile-π-allyldicarbonylmolybdenum complexes with triphenylphosphine yields thermally unstable bisacetonitriledicarbonylbis(triphenylphosphine)molybdenum(0), in which acetonitrile is easily replaced to form a series of reactive dicarbonyl-molybdenum(0) complexes.