
Tetrahedron p. 4629 - 4640 (1992)
Update date:2022-08-02
Topics: Quinones NMR spectroscopy Rearrangement Chromatography Cycloaddition Reaction Monitoring Acidic Conditions Acid Catalysis Diels-Alder adducts
Farina, Francisco
Paredes, M. Carmen
Valderrama, Jaime A.
The Diels-Alder adducts 5, 19, 9, 10, 8, 11, of benzoquinones bearing activating groups (COCH3, COCH=CHPh, CO2Me, NO2, CHO, CN) by treatment with 1.3 N hydrochloric acid are initially converted into the dihyydrobenzofurans 7, 22, the corresponding alcohol
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