Synthesis of condensed thiophens via[2,3] and [3,3] sigmatropic rearrangements of aryl prop-2-ynyl sulphoxides
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 20,p. 848-849
- https://doi.org/10.1039/c39740000848
Abstract
Condensed thiophens are obtained by heating aryl prop-2-ynyl sulphoxides in a suitable protic solvent via consecutive [2,3] and [3,3] sigmatropic rearrangements, ketolization, and SN2′ attack of the solvent molecule.Keywords
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