Cycloadducts of methyl hydroxyalkynoates and DBU: Transformation into tethered furan-2(5 H )-one and caprolactam structures

B. A. Trofimov; O. A. Shemyakina; A. V. Stepanov; O. G. Volostnykh; A. G. Mal’kina

doi:10.1134/S1070428017120211

Cycloadducts of methyl hydroxyalkynoates and DBU: Transformation into tethered furan-2(5H)-one and caprolactam structures

Authors: Trofimov B.A.¹, Shemyakina O.A.¹, Stepanov A.V.¹, Volostnykh O.G.¹, Mal’kina A.G.¹
Affiliations:
1. Favorskii Irkutsk Institute of Chemistry, Siberian Branch
Issue: Vol 53, No 12 (2017)
Pages: 1893-1895
Section: Short Communications
URL: https://bakhtiniada.ru/1070-4280/article/view/217081
DOI: https://doi.org/10.1134/S1070428017120211
ID: 217081

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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.