High Pressure Organic Chemistry. III. Diels-Alder Reaction of Thiophene with Maleic Anhydride
- 1 February 1979
- journal article
- research article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 52 (2), 544-548
- https://doi.org/10.1246/bcsj.52.544
Abstract
The Diels-Alder reaction of thiophene with maleic anhydride has been investigated under conditions of very high pressure. The Diels-Alder adduct was obtained in dicbloromethane at 100 °C and 15 kbar; above a pressure of 15 kbar the reaction was highly accelerated. From the spectral data and chemical evidence it has been suggested that the adduct has the exo-configuration. The reactions in various solvents and with other dienophiles have also been examined.Keywords
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