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Late transition metal complexes derived from diphosphazane monosulfide ligands: X-ray crystal structures of [Ru3(μ-CO)(CO)7(μ3-S){Ph2PN((S)-*CHMePh)PPh2-κ2P,P}] and [Rh(CO)Cl{Ph2PN((S)-*CHMePh)P(S)Ph2}-κ2P,S]*1: Part 16. Organometallic chemistry of diphosphazanes

Raghuraman, Kannan and Krishnamurthy, Setharampattu S and Nethaji, Munirathinam (2003) Late transition metal complexes derived from diphosphazane monosulfide ligands: X-ray crystal structures of [Ru3(μ-CO)(CO)7(μ3-S){Ph2PN((S)-*CHMePh)PPh2-κ2P,P}] and [Rh(CO)Cl{Ph2PN((S)-*CHMePh)P(S)Ph2}-κ2P,S]*1: Part 16. Organometallic chemistry of diphosphazanes. In: Journal of Organometallic Chemistry, 669 (1-2). pp. 79-86.

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Abstract

The oxidative addition reactions of diphosphazane monosulfides, Ph2PN(R)P(S)Ph-2 (R = (S)-*CHMePh (1), CHMe2 (2)) with [Ru-3(CO)(12)] afford sulfur-monocapped triruthenium clusters of the type [Ru-3(mu-CO)(CO (7)(mu(3)-S){Ph2PN(R)PPh2-kappa(2)P,P}] (R = (S)-*CHMePh (3), CHMe2 (4)); the X-ray crystal structure of 3 reveals the chelating mode of coordination of the diphosphazane ligand, which is rarely observed for such type of complexes. The bridge-splitting reactions of 1 and 2 with [{Rh(mu-Cl)(CO)(2)}(2)] yield [Rh(CO)Cl{Ph2PN(R)P(S)Ph 2-kappa(2)P,S}] (R = (S)-*CHMePh (5), CHMe2 (6)); the X-ray crystal structure of 5 confirms that the 'CO' ligand is trans to the P=S bond. The reactions of [MCl2(COD)] with I and 2 yield chelate complexes, [MCl2{Ph2PN(R)P(S)Ph 2-kappa(2)P,S}] [M = Pd (7 and 8) or Pt (9 and 10)].

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Chiral phosphorus ligands;Cluster compounds;Organometallic compounds;P,S-donor ligands.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 31 Aug 2009 06:32
Last Modified: 19 Sep 2010 04:55
URI: http://eprints.iisc.ernet.in/id/eprint/17081

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