1967
DOI: 10.1002/cber.19671001123
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Additionen an die Dreifachbindung, VIII. Struktur und Reaktionen des Adduktes aus Thioharnstoff und Acetylendicarbonester

Abstract: Struktur und Reaktionen des Adduktes aus Thioharnstoff und AcetylendicarbonesterEs wird iiber eine glctt verlaufende RingBfTnung in der Thiazinreihe berichtet. Konstitution und Enamin-Imin-Tautomerie der untersuchten Aminothiazine werden mit Hilfe spektroskopischer Methoden geklart. Winterfeldt und NelkeJahrg. 100 6) S. M. Kalbag, M. D. Nair, P. Rajagopalan und C. N . TaIuty, Tetrahedron [London] 23, 1911 (1967).Acta 49, 2408 (1966); 50, 331 (1967).

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Cited by 29 publications
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“…Alkali-catalyzed rearrangements of 1,3-thiazines to 2thiopyrimidines are known. 20 Treatment of la with excess S-ethylthiuronium bromide in ethanolic sodium ethoxide afforded a crystalline product with the following characteristics. The UV spectral behavior was similar to that of isocytosine, but different from that of 2-alkylthiouracil.21 The IR spectrum of the product showed the presence of a CN group (2190 cm-1).…”
mentioning
confidence: 99%
“…Alkali-catalyzed rearrangements of 1,3-thiazines to 2thiopyrimidines are known. 20 Treatment of la with excess S-ethylthiuronium bromide in ethanolic sodium ethoxide afforded a crystalline product with the following characteristics. The UV spectral behavior was similar to that of isocytosine, but different from that of 2-alkylthiouracil.21 The IR spectrum of the product showed the presence of a CN group (2190 cm-1).…”
mentioning
confidence: 99%