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THE REACTION OF 1,2-NAPHTHOQUINONE 1-METHIDES WITH SYNCARPIC ACID

Антон В. Лукашенко, Дмитрий В. Осипов, Виталий А. Осянин, Юрий Н. Климочкин
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Abstract


The reaction of syncarpic acid with Mannich bases derived from 2-naphthol yielded 8,12-dihydro-9H-benzo[a]xanthene-9,11(10H)-diones as products of the Diels–Alder reaction with inverse electron demands involving 1,2-naphthoquinone 1-methides generated in situ and dehydration.

Keywords


8,12-dihydro-9H-benzo[a]xanthene-9,11(10H)-diones; 1,2-naphthoquinone 1-methides; Mannich bases; syncarpic acid; Diels–Alder reaction.

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