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Reactions of zinc enolates derived from 1-aryl-2-bromo-2-phenylethanone and 2-bromoindan-1-one with alkyl 2-oxochromene-and 6-bromo-2-oxochromene-3-carboxylates

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Abstract

Zinc enolates derived from 1-aryl-2-bromo-2-phenylethanone react with alkyl 2-oxochromene-3-carboxylates and methyl 6-bromo-2-oxochromene-3-carboxylate to give, respectively, alkyl 4-(2-aryl-2-oxo-1-phenylethyl)-2-oxochroman-3-carboxylates and methyl 6-bromo-4-(2-aryl-2-oxo-1-phenylethyl)-2-oxochroman-3-carboxylate as a single stereoisomer. Zinc enolates derived from 2-bromoindan-1-one react with alkyl 2-oxochromene-3-carboxylates to give alkyl 2-oxo-4-(1-oxoindan-2-yl)chroman-3-carboxylates as a single stereoisomer.

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Original Russian Text © V.V. Shchepin, A.E. Korzun, M.I. Vakhrin, P.S. Silaichev, M.A. Ezhikova, M.I. Kodess, 2006, published in Zhurnal Obshchei Khimii, 2006, Vol. 76, No. 5, pp. 814–817.

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Shchepin, V.V., Korzun, A.E., Vakhrin, M.I. et al. Reactions of zinc enolates derived from 1-aryl-2-bromo-2-phenylethanone and 2-bromoindan-1-one with alkyl 2-oxochromene-and 6-bromo-2-oxochromene-3-carboxylates. Russ J Gen Chem 76, 777–780 (2006). https://doi.org/10.1134/S1070363206050203

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  • DOI: https://doi.org/10.1134/S1070363206050203

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