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Syntheses and coordination chemistry of bis(4-pyridyl)- and mixed (4-pyridyl) (2-pyridyl)-phospholes

✍ Scribed by Christophe Lescop; Loïc Toupet; Régis Réau

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
187 KB
Volume
22
Category
Article
ISSN
1042-7163

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✦ Synopsis

Abstract

The syntheses, spectroscopic characterizations, and X‐ray structures of two new N,P,N‐ligands 1 and 2 are described. These ligands are based on a central 2,5‐substituted phosphole ring and have, respectively, two 4‐pyridyl moieties, or one 4‐pyridyl moiety and one 2‐pyridyl moiety as substituents. The coordination chemistry of these ligands has been investigated. A Au(I)‐complex 5 bearing ligand 1 as a P‐donor and a Pt(II) complex 6 featuring ligand 2 as a P,N‐chelate were obtained. Complex 6 spontaneously evolves to complex 7 bearing a 2‐phospholene ring. Spectroscopic characterizations for complexes 5–7 as well as the X‐ray crystal structure of 7 are described. © 2011 Wiley Periodicals, Inc. Heteroatom Chem 22:339–347, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/hc.20687

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