Multicomponent condensation of 6-acetyl-5,7-dihydroxy-4-methylchromen-2-one with aldehydes and Meldrum´s acid

B. V. Lichitsky; S. V. Shorunov; A. O. Osipov; A. N. Komogortsev; A. A. Dudinov; M. M. Krayushkin

doi:10.1007/s11172-017-1824-6

Multicomponent condensation of 6-acetyl-5,7-dihydroxy-4-methylchromen-2-one with aldehydes and Meldrum´s acid

Authors: Lichitsky B.V.¹, Shorunov S.V.¹, Osipov A.O.¹, Komogortsev A.N.¹, Dudinov A.A.¹, Krayushkin M.M.¹
Affiliations:
1. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Issue: Vol 66, No 5 (2017)
Pages: 886-890
Section: Full Articles
URL: https://ogarev-online.ru/1066-5285/article/view/240586
DOI: https://doi.org/10.1007/s11172-017-1824-6
ID: 240586

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Abstract

Previously unknown 6-acetyl-10-aryl-5-hydroxy-4-methyl-9,10-dihydropyrano[2,3-f]-chromene-2,8-diones were synthesized by multicomponent condensation of 6-acetyl-5,7-dihydroxy-4-methylchromen-2-one, aromatic aldehydes, and Meldrum´s acid. A fundamen-tal possibility of interconversion of substituted 6-acetyl-10-aryl-5-hydroxy-4-methyl-9,10-dihydropyrano[2,3-f]chromene-2,8-diones and methyl 3-(6-acetyl-5,7-dihydroxy-4-meth-yl-2-oxo-2H-chromen-8-yl)-3-arylpropionates was demonstrated.