Антон В. Лукашенко, Виталий А. Осянин, Дмитрий В. Осипов
Sep 23, 2016
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Journal
Chemistry of Heterocyclic Compounds
Abstract
A series of 1 H -benzo[ f ]chromene-2‑carbaldehydes was obtained from naphthol Mannich bases and 3-( N , N -diethylamino)acrolein via a cascade reaction comprising [4+2] cycloaddition of generated in situ 1,2-naphthoquinone-2-methides and a push-pull β -enaminoaldehyde with consecutive elimination of diethylamine. Authors: Anton V. Lukashenko, Vitaly A. Osyanin * , Dmitry V. Osipov, Yuri N. Klimochkin