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Synthesis and solvatochromism of some dipolar aryl-phosphonium and -phosphine oxide systems

Allen, D.W. and Mifflin, J.P. and Skabara, P.J. (2000) Synthesis and solvatochromism of some dipolar aryl-phosphonium and -phosphine oxide systems. Journal of Organometallic Chemistry, 601 (2). pp. 293-298. ISSN 0022-328X

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Abstract

The synthesis is reported of a series of dipolar arylphosphonium salts bearing ferrocenylethenyl, 2-thienylethenyl, 4-dimethylaminophenylethenyl, or (4-dimethylaminophenyl)butadienyl electron-donor centres, together with a study of their course of alkaline hydrolysis, which provides a convenient synthetic route to related dipolar phosphine oxides. The phosphonium salts exhibit a modest degree of negative solvatochromism, whereas the related phosphine oxides show a small positive solvatochromic effect. In the case of the ferrocenyl systems, the electronic effects of the phosphorus acceptor group on the ferrocene unit have been studied by cyclic voltammetry.

Item type: Article
ID code: 793
Keywords: phosphonium salt, phosphine oxide, solvatochromism, ferrocenyl, cyclic voltammetry, Chemistry
Subjects: Science > Chemistry
Department: Faculty of Science > Pure and Applied Chemistry
Related URLs:
Depositing user: Mr Derek Boyle
Date Deposited: 18 Apr 2006
Last modified: 12 Mar 2012 10:36
URI: http://strathprints.strath.ac.uk/id/eprint/793

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