Diorganotin salicylaldoximate clusters: Their fascinating chemistry and structures

Abstract

A large variety of small oxotin clusters, characterised as stable crystalline products or solution transients, has been obtained by the reaction of various diorganotin oxides and salicylaldoxime. The structures were investigated by high resolution multinuclear NMR methods and X-ray crystallography. The predominant trinuclear clusters contain one seven- and two five-coordinate tin atoms and undergo a series of reversible substitution reactions, including those leading to clusters of differing nuclearity, in solution at room temperature. Such a variety of structures is rather unusual in organotin chemistry. © Wiley-VCH Verlag GmbH & Co, KGaA, 69451 Weinheim, Germany, 2004.