1, 2, 3??Selenadiazolyl??1, 3, 4??oxadiazole, 1, 2, 3??Thiadiazolyl??1, 3, 4??oxadiazole and 5??(1, 2, 3??Thiadiazolyl)??s??triazolo [3, 4??b]??1, 3, 4??thiadiazoles

A Shafiee, I Lalezari, M Mirrashed…

Index: Shafiee,A. et al. Journal of Heterocyclic Chemistry, 1977 , vol. 14, p. 567 - 571

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Citation Number: 15

Abstract

Abstract A series of 5-substituted-2-(4-alkyl or phenyl-1, 2, 3-thia (or selena) diazol-5-yl)-1, 3, 4-oxadiazoles were prepared. 5-Substituted-2-(4-phenyl-1, 2, 3-selenadiazol-5-yl)-1, 3, 4- oxadiazoles upon pyrolysis afforded the corresponding alkynes. Also, a series of 5- substituted-4-amino-3-(1, 2, 3-thiadiazol-5-yl)-s-triazoles and 5-(1, 2, 3-thiadiazolyl)-s- triazolo [3, 4-b]-1, 3, 4-thiadiazoles were prepared.