The benzyl-type Co carbonyl complexes (para-t-BuC6H4CH2)Co(CO)3PPh3 (I) and [para-ClC6H4CH2C(O)]Co(CO)3PPh3 (II) were prepd. and characterized by analyses, spectra and x-ray single-crystal diffraction. The overall structures both of the alkylcobalt-type I and the acylcobalt-type II display trigonal bipyramidal geometry, with the two noncarbonyl ligands in the two axial positions. The relevance of the stereochem. of complexes I and II to the supposed mechanism of the CO insertion/deinsertion on Co is discussed.
Alkylcobalt Carbonyls, Part 13. Preparation and Molecular Structures of Benzyl- and Phenylacetylcobalt Carbonyls / Zucchi, Claudia; Cornia, Andrea; R., Boese; E., Kleinpeter; H., Alper; Palyi, Gyula. - In: JOURNAL OF ORGANOMETALLIC CHEMISTRY. - ISSN 0022-328X. - STAMPA. - 586:(1999), pp. 61-69.
Alkylcobalt Carbonyls, Part 13. Preparation and Molecular Structures of Benzyl- and Phenylacetylcobalt Carbonyls
ZUCCHI, Claudia;CORNIA, Andrea;PALYI, Gyula
1999
Abstract
The benzyl-type Co carbonyl complexes (para-t-BuC6H4CH2)Co(CO)3PPh3 (I) and [para-ClC6H4CH2C(O)]Co(CO)3PPh3 (II) were prepd. and characterized by analyses, spectra and x-ray single-crystal diffraction. The overall structures both of the alkylcobalt-type I and the acylcobalt-type II display trigonal bipyramidal geometry, with the two noncarbonyl ligands in the two axial positions. The relevance of the stereochem. of complexes I and II to the supposed mechanism of the CO insertion/deinsertion on Co is discussed.
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