Abstract
Cycloadducts of 1,8-diazabicyclo[5.4.0]undec-7-ene and methyl 4-hydroxyalk-2-ynoates, octahydro-5H,9H-[1,3]oxazolo[2′,3′: 2,3]pyrimido[1,2-a]azepines, in the presence of potassium hydroxide in aqueous ethanol were converted to structures in which furan-2(5H)-one and caprolactam rings are linked to each other through an aminopropane tether.
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Original Russian Text © B.A. Trofimov, O.A. Shemyakina, A.V. Stepanov, O.G. Volostnykh, A.G. Mal’kina, 2017, published in Zhurnal Organicheskoi Khimii, 2017, Vol. 53, No. 12, pp. 1857–1859.
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Trofimov, B.A., Shemyakina, O.A., Stepanov, A.V. et al. Cycloadducts of methyl hydroxyalkynoates and DBU: Transformation into tethered furan-2(5H)-one and caprolactam structures. Russ J Org Chem 53, 1893–1895 (2017). https://doi.org/10.1134/S1070428017120211
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DOI: https://doi.org/10.1134/S1070428017120211