Journal of Heterocyclic Chemistry

Synthesis of 1, 2, 3??thiadiazole??5??carbaldehydes and their conversion into 6aδ4??Thia??1, 2, 5, 6??tetraazapentalenes

G L'abbé, A Frederix

Index: L'abbe, Gerrit; Frederix, Ann Journal of Heterocyclic Chemistry, 1990 , vol. 27, # 5 p. 1415 - 1418

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Citation Number: 8

Abstract

Abstract A convenient method for the synthesis of the virtually unknown 1, 2, 3-thiadiazole-5- carbaldehydes consists in monobromination of the 5-methyl derivatives, followed by treatment with sodium azide and decomposition in concentrated sulfuric acid (6→ 7→ 9→