Reactions of sulfur monochloride with some aromatic aldehyde semicarbazones and thiosemicarbazones: New syntheses of substituted 2,4‐dihydro‐1,2,4‐triazol‐3‐ones, 2,4‐dihydro‐1,2,4‐triazole‐3‐thiones and 2‐amino‐1,3,4‐oxadiazoles
- 1 May 1986
- journal article
- research article
- Published by Wiley in Journal of Heterocyclic Chemistry
- Vol. 23 (3) , 881-883
- https://doi.org/10.1002/jhet.5570230343
Abstract
Treatment of various substituted semicarbazones of aromatic aldehydes with sulfur monochloride yields the corresponding substituted 2,4‐dihydro‐1,2,4‐triazol‐3‐ones. With thiosemicarbazones, the products are derivatives either of the 2‐amino‐1,3,4 thiadiazole or of the 2,4‐dihydro‐1,2,4‐triazole‐3‐thione depending on the experimental conditions.Keywords
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