Highly reduced organometallics. XII. The reaction of a carbonyltungstate anion with triphenyltin chloride resulting in a phenyltin bond cleavage. X-ray structural characterization of the novel salt: [Me4N][(Ph3Sn)2{(Ph2Sn)2O-i-Pr}W(CO)3]

Gary L. Rochfort, John E Ellis

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Abstract

The reaction of a highly reduced tricarbonyltungstate species with triphenyltin chloride results in an unprecedented phenyl-tin cleavage and the formation of an unusual substituted carbonyl anion. The X-ray structure of [Me4N][(Ph3Sn)2-{(Ph2Sn)2O-i-Pr}W(CO)3] shows the presence of seven coordinate tungsten bound to three terminal carbonyl groups, two triphenyltin units and a previously unknown isopropoxo-bis(diphenyltin) bidentate ligand. The seven ligating atoms are disposed in an approximate 4 : 3 piano stool arrangement about the central tungsten atom. Crystal data: Space group P21/c, a 22.580(10), b 14.162(4), c 23.070(10) Å, β 114.21(4)°, Z = 4, V 6728(1) Å3, ρ{variant}(calc) 1.626 g cm-3.

Original languageEnglish (US)
Pages (from-to)277-290
Number of pages14
JournalJournal of Organometallic Chemistry
Volume250
Issue number1
DOIs
StatePublished - Jul 5 1983

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