Ylide rearrangements: a [3,2]-sigmatropic process in a phosphorus ylide
- 1 January 1970
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society D: Chemical Communications
- No. 11,p. 631b-632
- https://doi.org/10.1039/c2970000631b
Abstract
The thermal behaviour of 3-methylbut-2-enyl-diphenyl-(3-methylbut-2-enyl)phosphorane has been examined: unlike the carbon, nitrogen, oxygen, and sulphur analogues of this molecule only a small fraction of the rearrangement proceeds through the [3,2]-sigmatropic shift, the major pathway being a radical dissociation–recombination.Keywords
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