Synthesis of 1,2,3-Thiadiazole-5-carbaldehydes and their Conversion into 6aλ4-Thia-1,2,5,6-tetraazapentalenes
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
L'abbe, Gerrit,Frederix, Ann
p. 1415 - 1418
(2007/10/02)
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