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Synthesis of 2-alkenyl-4H-anthra[1,2-b]pyran-4,7,12-triones
Authors:M. A. Mzhel'skaya  A. A. Moroz  M. S. Shvartsberg
Affiliation:(1) Institute of Chemical Kinetics and Combustion, Siberian Branch, Academy of Sciences of the USSR, Novosibirsk;(2) Novosibirsk State University, USSR;(3) Kemerovo State University, USSR
Abstract:A method has been developed for the synthesis of 2-alkenylanthra[1,2-b]pyran-4,7,12-triones by the addition of piperidine at the triple bond of 2-alkeynoyl-1-hydroxyanthraquinones with subsequent cyclization of the adducts formed on silica gel.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1656–1659, July, 1991.
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