cis–trans Isomerism in bis(trihalogenoacetyl)polymethylbenzenes resulting from restricted rotation about carbonyl groups:1H nuclear magnetic resonance evidence
- 1 January 1978
- journal article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 5,p. 201-202
- https://doi.org/10.1039/c39780000201
Abstract
The presence of cis–trans isomerism at ambient temperatures in bis(trihalogenoacetyl)polymethylbenzenes (1)–(3) is demonstrated for the first time by the observation of separate 1H n.m.r. signals.Keywords
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