Y. Dürüst, H. Ağirbaş, Doǧan Sümengen
Oct 1, 1991
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Influential Citations
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Journal
Phosphorus Sulfur and Silicon and The Related Elements
Abstract
Abstract 3-Pyridyl-4-alkyl (or aryl)-1,2,4-oxadiazole-5(4H)-thiones are prepared by the reaction of N-alkyl (or aryl) pyridine carboxamide oximes with thiophosgene. Rearrangement, catalysed by metallic copper, yields the corresponding 3,4-disubstituted-1,2,4-thiadiazole-5(4H)-ones.