I. Semenova, V. Osyanin, D. Osipov
Jun 1, 2021
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Journal
Chemistry of Heterocyclic Compounds
Abstract
A method for the preparation of polycondensed chromeno[2,3-b]chromenes was developed based on the formal [3+3] cycloaddition reaction between 1H-benzo[f]chromene-2-carbaldehydes and 2-naphthols. In the case of resorcinol, the bisannulation product formed with the participation of both hydroxy groups was isolated.