The reaction of the unsaturated anion [Re3(μ-H)4(CO)10- with LiMe at low temperature gives the unsaturated acyl derivative [Re3(μ-H)4(CO)9C(Me)O]2-, which is slowly converted, as the temperature is raised, into a saturated species in which a hydride ligand has migrated from the cluster to the acylic carbon atom to give [Re3(μ-H)3(CO)9μ3-γ2-C(H)(Me)O]2-. Variable temperature 1H-NMR spectroscopy has shown the existence of an unexpected equilibrium between the two anions. © 1991.

Transformation of a coordinated carbon monoxide into an oxyethyl bridging group in a hydrido-carbonyl rhenium cluster. Synthesis and crystal structure of the anion [Re3(μ-H)3(CO)9μ3-η2-C(H)(Me)O]2 / T. Beringhelli, G. D'Alfonso, M. Freni, G. Ciani, M. Moret, A. Sironi. - In: JOURNAL OF ORGANOMETALLIC CHEMISTRY. - ISSN 0022-328X. - 412:1-2(1991), pp. C4-C4-C5.

Transformation of a coordinated carbon monoxide into an oxyethyl bridging group in a hydrido-carbonyl rhenium cluster. Synthesis and crystal structure of the anion [Re3(μ-H)3(CO)9μ3-η2-C(H)(Me)O]2

T. Beringhelli
Primo
;
G. D'Alfonso
Secondo
;
G. Ciani;A. Sironi
Ultimo
1991

Abstract

The reaction of the unsaturated anion [Re3(μ-H)4(CO)10- with LiMe at low temperature gives the unsaturated acyl derivative [Re3(μ-H)4(CO)9C(Me)O]2-, which is slowly converted, as the temperature is raised, into a saturated species in which a hydride ligand has migrated from the cluster to the acylic carbon atom to give [Re3(μ-H)3(CO)9μ3-γ2-C(H)(Me)O]2-. Variable temperature 1H-NMR spectroscopy has shown the existence of an unexpected equilibrium between the two anions. © 1991.
Settore CHIM/03 - Chimica Generale e Inorganica
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/185479
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