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Synthesis of new [1,2,3]triazoles and 1H-tetrazoles via reactions of 3,(5)-(Di)chloro-2H-1,4-(benz)oxazin-2-ones with diazocompounds or sodium azide

✍ Scribed by Bart Medaer; Koen Van Aken; Georges Hoornaert

Publisher: Elsevier Science
Year: 1994
Tongue: French
Weight: 286 KB
Volume: 35
Category: Article
ISSN: 0040-4039
DOI: 10.1016/0040-4039(94)88381-5

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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