Chelates formed by a constrained bis(diphenylphosphino)xylene; the crystal structures of [FeCl2(anphos)] and [RhCl(CO)(anphos-monoxide)]

L J Higham, A J Middleton, K Heslop, P G Pringle, A Barber, A G Orpen

Research output: Contribution to journalArticle (Academic Journal)peer-review

8 Citations (Scopus)

Abstract

The indan derived diphosphine, cis-1,3-(diphenylphosphino)indan (anphos) is synthesised by the addition of Ph2P(BH3)Li to cis-1,3-dibromoindan followed by deprotection with diethylamine. Anphos readily forms the bicyclic chelates [RhCl(CO)(anphos)], [PtCl2(anphos)], [PtCl(Me)(anphos)] and [FeCl2(anphos)]. The crystal structures of [FeCl2(anphos)] and the monoxide complex, [RhCl(CO)(anphosO)] have been determined. Reaction of the diphosphine with [Rh(acac)(CO)(2)] under moderate hydroformylation conditions catalysed the formation of 1- heptanal and branched aldehydes from 1-hexene in a ratio of 1.5:1. (C) 2004 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)2963-2968
Number of pages6
JournalJournal of Organometallic Chemistry
Volume689
Issue number19
DOIs
Publication statusPublished - 22 Sept 2004

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