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REACTIONS OF TRICARBONYL PHOSPHINE COMPLEXES OF MOLYBDENUM(0) WITH MERCURY CHLORIDE
Panizo, M.,Cano, M.
, p. 247 - 256 (2007/10/02)
The reactions of tricarbonylphosphine complexes (bipy)(P)Mo(CO)3, (bipy) = 2,2'-bipyridine and (P) = P(4-ClC6H4)3, P(4-FC6H4)3, P(4-CH3C6H4)3 and P(4-CH3OC6H4)3, with HgCl2 give compounds of the type (bipy)2Mo2(CO)6*HgCl2 and (bipy)Mo(CO)3(HgCl)(Cl), depending on the mol ratio of reactants employed.The reaction proceeds with elimination of the phosphine ligand and the coordination of HgCl2 to molybdenum.A new tricarbonyl complex (bipy)(dppe)2Mo2(CO)6 (dppe = 1,2-ethanediylbis(diphenylphosphine), ) with the bidentate phosphine ligand, is prepared from the reaction of the (bipy)Mo(CO)4 complex and dppe.The tricarbonyl-dppe derivative also reacts with HgCl2 in a 1:1 mol ratio, to give (bipy)(dppe)2Mo2(CO)6*2HgCl2 and (dppe)3Mo2(CO)6*HgCl2.An excess of mercuric chloride yields the compound (bipy)(dppe)2Mo2(CO)6*4HgCl2.In addition, the (bipy)Mo(CO)3(HgCl)(Cl) complex is isolated from the solution.
