Aromatic aldehydes as dienophiles
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 12,p. 739-740
- https://doi.org/10.1039/c39720000739
Abstract
The carbonyl group of aromatic aldehydes substituted in the benzene ring by electron-withdrawing groups may act as a dieneophile in a thermally induced cycloaddition reaction leading to dihydropyran derivatives; the same compounds and other dihydropyran derivatives; the same compounds and other dihydropyrans may also be obtained from dienes and these and other aromatic aldehydes by an alternative acid-catalysed reaction.Keywords
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