First X-ray structure determination of a bismuthio ylide: 4,4-dimethyl-2,6-dioxo-1-triphenylbismuthiocyclohexanide
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 12,p. 3367-3368
- https://doi.org/10.1039/p19900003367
Abstract
The first X-ray structure analysis of a bismuthio ylide has been made for 4,4-dimethyl-2,6-dioxo-1 -triphenylbismuthiocyclohexanide. The Bi–Cylide bond is 2.16 Å, only 0.05–0.06 Å shorter than the Bi–CPh single bond, revealing that the Bi–Cylide bond is polarized as C––Bi+ or O––CC–Bi+ with little double bond character between the Bi and the ylidic carbon.Keywords
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