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Complexes of diorganotin(IV) dihalides with N, N′-dimethyl-2, 2′-bisimidazole

✍ Scribed by M P Leal; A Sánchez González; M E García; J S Casas; J Sordo

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
272 KB
Volume
7
Category
Article
ISSN
0268-2605

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✦ Synopsis

Abstract

Adducts of N, N′ ‐dimethyl‐2, 2′‐bisimidazole (DMBIm) with diethyl‐ and dibutyl‐tin(IV) dihalides (Cl, Br) have been isolated and characterized. IR data for [SnR~2~X~2~(DMBIm)] compounds are in keeping with a six‐coordinate tin atom with DMBIm acting as a bidentate ligand, whereas in [(SnR~2~X~2~)~2~(DMBIm)] the tin is five‐coordinate and DMBIm acts as a bridging ligand. Measurements of conductivity in acetonitrile show the adducts to behave as non‐ionogens in this solvent. NMR data show them to undergo dissociation in CDCl~3~.

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