Reactions of phosphines with acetylenes. Part V. Structure revision of a so-called phosphole. A stable alkylidene-1,6-diphosphorane
- 1 January 1968
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- p. 1609-1612
- https://doi.org/10.1039/j39680001609
Abstract
Dicyanoacetylene and triphenylphosphine react to form a stable adduct, which has been shown to be an alkylidene-1,6-diphosphorane, rather than a stable phosphole as previously postulated. The relative ease of protonation of phosphoranes stabilised by ester and nitrile functions is discussed.Keywords
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