Diels–Alder reactions of 2,3-dimethylenepyrrole analogues; a new synthesis of indoles
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 7,p. 2156-2158
- https://doi.org/10.1039/p19900002156
Abstract
The pyrano[3,4-b]pyrrol-5(1H)-ones (4) are stable cyclic analogues of 2,3-dimethylenepyrrole, and undergo Diels–Alder reaction with a range of acetylenes, or acetylene equivalents, to give, after loss of carbon dioxide, indoles.Keywords
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