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Synthesis of dispirotetrahydropyran-2,4-diones containing six- and seven-membered rings

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Abstract

Methyl 1-(1-bromocyclohexylcarbonyl)cycloheptane- and 1-(1-bromocycloheptylcarbonyl)cyclohexanecarboxylates react with zinc and aromatic aldehydes yielding 17-aryl-16-oxadispiro[5.1.6.3]heptadecane-7,15-diones and 15-aryl-16-oxadispiro[5.1.6.3]heptadecane-7,17-diones respectively.

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References

  1. Kirillov, N.F. and Shchepin, V.V., Zh. Org. Khim., 2001, vol. 37, no. 9, p. 1290.

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  2. Shchepin, V.V., Kirillov, N.F., and Vakhrin, M.I., Zh. Obshch. Khim., 2004, vol. 74, no. 6, p. 1009.

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  3. Kirillov, N.F., Shchepin, V.V., and Melekhin, V.S., Zh. Org. Khim., 2007, vol. 43, no. 11, p. 1633.

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Correspondence to N. F. Kirillov.

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Original Russian Text © N.F. Kirillov, V.S. Melekhin, M.I. Vakhrin, 2009, published in Zhurnal Obshchei Khimii, 2009, Vol. 79, No. 12, pp. 2026–2028.

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Kirillov, N.F., Melekhin, V.S. & Vakhrin, M.I. Synthesis of dispirotetrahydropyran-2,4-diones containing six- and seven-membered rings. Russ J Gen Chem 79, 2652–2654 (2009). https://doi.org/10.1134/S1070363209120159

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  • DOI: https://doi.org/10.1134/S1070363209120159

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