Synthesis of a New Spiro System: 1-Oxa-7-thia-4-azaspiro[4.5]decane 7,7-Dioxide

V. A. Pal’chikov; A. A. Gaponov; R. M. Chabanenko; S. Yu. Mykolenko

doi:10.1134/S1070428018040127

Synthesis of a New Spiro System: 1-Oxa-7-thia-4-azaspiro[4.5]decane 7,7-Dioxide

Authors: Pal’chikov V.A.¹, Gaponov A.A.¹, Chabanenko R.M.¹, Mykolenko S.Y.²
Affiliations:
1. Oles Honchar Dnipro National University
2. Dnipro State Agrarian and Economic University
Issue: Vol 54, No 4 (2018)
Pages: 588-592
Section: Article
URL: https://journal-vniispk.ru/1070-4280/article/view/217546
DOI: https://doi.org/10.1134/S1070428018040127
ID: 217546

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Abstract

Dihydro-2H-1λ⁶-thiopyran-1,1,3(4H)-trione reacted with N-substituted 2-aminoethanols to give derivatives of a new spiro system, 1-oxa-7λ⁶-thia-4-azaspiro[4.5]decane-7,7-diones. No spirocyclic product was obtained by the reaction with unsubstituted 2-aminoethanol, but the corresponding enamine was formed as in the reactions with other primary amines.