Zerovalent platinum chemistry. Part V. Bistriphenylphosphineplatinum(0) quinone complexes

Journal of the Chemical Society A: Inorganic, Physical, Theoretical Pub Date: DOI: 10.1039/J19710000416

Abstract

Compounds of formula [Pt(PPh3)2(quinone)] where the quinone is 1,4-benzoquinone, 2,3,5,6-tetrachloro-1,4-benzoquinone-1,4-naphthoquinone, 3,4,5,6-tetrachloro-1,2-benzoquinone, 1,2-naphthoquinone, and 9,10-phenanthrenequinone have been synthetised. With 2,3,5,6-tetramethyl-1,4-benzoquinone a compound of formula {Pt(PPh3)2}2(quinone) has been obtained. The type of bonding and the factors influencing the strength of the bond between Pt(PPh3)2 and the quinone moiety have been discussed on the basis of i.r., 1H n.m.r. and electronic spectra.

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