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Preparation of 5H -6-(2,4-Difluorophenyl)pyrazolo-[1,2- a ][1,2,4]-triazol-4-ium Chloride. An Example of a New Type of Heterocyclic Salt

✍ Scribed by Arredondo, Yolanda; Pleixats, Roser; Moreno-Mañas, Marcial

Book ID: 126978662
Publisher: Taylor and Francis Group
Year: 1993
Tongue: English
Weight: 224 KB
Volume: 23
Category: Article
ISSN: 0039-7911
DOI: 10.1080/00397919308011210

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## Abstract magnified image 3‐Benzyl‐4‐phenyl‐1,2,4‐triazole‐5‐thiol (**1**) was synthesized and used as starting material for preparation of 1,2,4‐triazole bearing substituted thiosemicarbazides moiety (**4a‐d**) in high yields. The thiosemicarbazides **4a‐d** were cyclized in basic medium to giv