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Polarographic behaviour of some organotin(IV) compounds in dimethyl sulphoxide

✍ Scribed by Talal A K Al-Allaf; Sadallah T Sulaiman; Yasser O Hameed

Publisher: John Wiley and Sons
Year: 1989
Tongue: English
Weight: 315 KB
Volume: 3
Category: Article
ISSN: 0268-2605
DOI: 10.1002/aoc.590030208

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✦ Synopsis

The differential pulse polarographic behaviour in dimethyl sulphoxide (DMSO) of 14 organotin(1V) compounds having the general formula R3SnX (R = Me, Ph; X-= NCS-, Ny, NO;, OH-, NCOand OAc -) and "Bu3SnCI and "Bu2SnC12 has been studied. The peak potential was found to depend markedly on the organic group and to a lesser extent on the nature of the anion X. The phenyltin compounds were reduced at lower potentials than the corresponding methyltin compounds. The data obtained could be used for trace determination of these compounds. Linear calibration curves were obtained over the concentration range of 2.8 x lo-* to 1.9 x lop6 mol

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## Abstract Two‐dimensional H,C‐COSY spectra of some tetra‐, penta‐ and hexa‐coordinated organotin(IV) compounds were measured. The relative signs of ^__n__^__J__(^119^Sn,^13^C) and (^__n__+1^ __J__(^119^Sn,^1^H) coupling constants were determined after analysis of the orientation of the appropriat