ChemInform Abstract: Synthesis of 5‐Hydroxy‐2‐(naphth‐2‐yl)chromone Derivatives

Abstract

Synthesis of 5-Hydroxy-2-(naphth-2-yl)chromone Derivatives -[via Diels--Alder reaction of styrylchromones (I) with o-benzoquinodimethane, generated in situ from thiophene dioxide (II), followed by DDQ-induced dehydrogenation of the cycloadducts (III)]. -(PATOILO, D. T.; SILVA*, A. M. S.; PINTO, D. C. G. A.; TOME, A. C.; CAVALEIRO, J. A. S.; J. Heterocycl. Chem. 44 (2007) 6, 1345-1350; Dep. Chem., Univ. Aveiro, P-3810 Aveiro, Port.; Eng.) -C. Cyrus