Cationic (eta(6)-arene)tricarbonylmanganese linked to ferrocene complexes

Jacques, Béatrice, Tranchier, Jean-Philippe, Rose-Munch, Françoise, Rose, Eric, Stephenson, G. Richard and Guyard-Duhayon, Carine (2004) Cationic (eta(6)-arene)tricarbonylmanganese linked to ferrocene complexes. Organometallics, 23 (2). pp. 184-193. ISSN 0276-7333

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Abstract

Palladium-catalyzed Sonogashira coupling reactions of the neutral [eta(5)(1-5)-(1-chloro-4-methoxycyclohexa-2,4-dienyl)]tricarbonylmangane se(l) (2) and 2-bromo-5-{[eta(5)(1-5)-(4-methoxycyclohexa-2,4-dienylltricarbonylmangan ese(I)}thiophene (13) with the ethynylferrocene derivative 5 give the dinuclear complexes 1-(ferrocenylethynyl)[eta(5)(1-5)-(4-methoxycyclohexa2,4-dienyl)]tricarb onylmanganese(I) (6) and 2-(ferrocenylethynyl)-5-[eta(5)(1-5)-(4-methoxycyclohexa-2,4-dienyl)tric arbonylmanganese]thiophene (10). Similarly, condensation of 2 with 2-(ferrocenylethynyl)-5-ethynylthiophene (18) affords the dinuclear complex 19. These complexes are valuable precursors, upon hydride abstraction, of the corresponding eta(6)-arene cations 7, 11, and 20. The structure of one of them, 1-(ferrocenylethynyl)[eta(6)(1-6)-(4-methoxybenzene)]tricarbonylmanganes e(I) tetrafluoroborate (7), has been investigated by X-ray diffraction.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Rachel Smith
Date Deposited: 08 Jun 2011 11:05
Last Modified: 21 Apr 2020 20:19
URI: https://ueaeprints.uea.ac.uk/id/eprint/32005
DOI: 10.1021/om034168f

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