Abstract
The possibility synthesizing compounds of the type (η 5 -C 5 H 5 )M(CO) 3 M'Cl (M=Mo, W; M'= Mg, Zn, Cd) by direct metal interaction with chlorides of cyclopentadienyltricarbonylmolybdenum and tungsten was demonstrated. In the case of magnesium derivatives of the type [(η 5 -C 5 H 5 )M(CO) 3 ] 2 Mg were observed also. The kinetics of magnesium, zinc and cadmium oxidation by Ph 3 SnCl, (η 5 -C 5 H 5 )Mo(CO) 3 Cl and (η 5 -C 5 H 5 )W(CO) 3 Cl in tetrahydrofuran and N,N-dimethylformamide was investigated. Rate constants and activation energy were determined. For the process of oxidation a Langmuir-Hinshelwood scheme was proposed. The kinetic data obtained make it possible to calculate the equilibrium constants, enthalpy and entropy of adsorption of the oxidant and coordinating solvent On metal surface.
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