Abstract
Methyl 1-bromocycloalkanecarboxylates reacted with zinc and N-cyclohexyl-2-oxo- or 6-bromo-N-cyclohexyl-2-oxochromene-3-carboxamides to give methyl 1-[3-(cyclohexylcarbamoyl)-2-oxochroman-4-yl]- or methyl 1-[6-bromo-3-(cyclohexylcarbamoyl)-2-oxochroman-4-yl]cycloalkanecarboxylates and 3-cyclohexyl- or 9-bromo-3-cyclohexylspiro[chromeno[3,4-c]pyridine-1,1′-cycloalkane]-2,4,5(3H,4aH,10bH)-triones.
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Original Russian Text © N.F. Kirillov, E.A. Nikiforova, D.V. Baibarodskikh, 2015, published in Zhurnal Organicheskoi Khimii, 2015, Vol. 51, No. 4, pp. 535–538.
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Kirillov, N.F., Nikiforova, E.A. & Baibarodskikh, D.V. Reaction of methyl 1-bromocycloalkanecarboxylates with zinc and N-cyclohexyl-2-oxo- and 6-bromo-N-cyclohexyl-2-oxochromene-3-carboxamides. Russ J Org Chem 51, 518–521 (2015). https://doi.org/10.1134/S1070428015040090
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DOI: https://doi.org/10.1134/S1070428015040090