Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ica.2004.03.035
Title: Reactions of the complexes [Re2(CO)9(η 1-P-P)] (P-P = Ph2P(CH2)nPPh 2, n = 1-6) with Me3NO: Formation of close-bridged complexes [Re2(CO)8(μ-P-P)] and phosphine oxide complexes [Re2(CO)9{P-P(O)}]
Authors: Fan, W.
Zhang, R.
Leong, W.K. 
Yan, Y.K.
Keywords: Close-bridged
Diphosphine
Monodentate-coordinated
Phosphine oxide
Phosphorus-31 NMR
Rhenium carbonyl
Issue Date: 5-Jul-2004
Citation: Fan, W., Zhang, R., Leong, W.K., Yan, Y.K. (2004-07-05). Reactions of the complexes [Re2(CO)9(η 1-P-P)] (P-P = Ph2P(CH2)nPPh 2, n = 1-6) with Me3NO: Formation of close-bridged complexes [Re2(CO)8(μ-P-P)] and phosphine oxide complexes [Re2(CO)9{P-P(O)}]. Inorganica Chimica Acta 357 (9) : 2441-2450. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ica.2004.03.035
Abstract: Reactions of [Re2(CO)10] with Me3NO and diphosphines [Ph2P(CH2)nPPh2, n=1-6] yield mixtures of the monodentate-coordinated diphosphine complexes [Re 2(CO)9(η1-P-P)] (P-P=Ph 2P(CH2)nPPh2, n=1-6) (yields 5-40%) and bridged dimers [{Re2(CO)9}2(μ-P-P)] (5-50%). These complexes were isolated as either equatorial or axial isomers, or a mixture of two isomers. Reactions of the monodentate complexes with Me 3NO yield close-bridged complexes [Re2(CO) 8(μ-P-P)] and phosphine oxide complexes [Re2(CO) 9{P-P(O)}]. The structures of the close-bridged complexes 1 (n=3) and 2 (n=4), were determined by X-ray crystallography. The Re-Re bond in the close-bridged complex with the longest phosphine chain (n=6) is readily cleaved in CDCl3 to give the complex [{cis-ReCl(CO)4} 2(μ-dpph)] (3) as the product, the structure of which was also determined by X-ray crystallography. © 2004 Elsevier B.V. All rights reserved.
Source Title: Inorganica Chimica Acta
URI: http://scholarbank.nus.edu.sg/handle/10635/94682
ISSN: 00201693
DOI: 10.1016/j.ica.2004.03.035
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