2000•Journal of the Chinese Chemical SocietyRequires access
The Decomposition Reaction of 4‐Acetylsydnones Arylhydrazones
Wen‐Fa Kuo, Chun‐Yen Chiu, I‐Tzu Lin, Shu‐Ya Sheu, Kao‐Hung Lm, Mou‐Yung Yeh
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Abstract
Abstract The acidic decomposition of 4‐acetylsydnones arylhydrazones 2 results in the formation of 4‐arylhydrazo‐1,2‐pyrazolin‐5‐ones 3 and 4‐arylamino‐1,2,3‐triazoles 4, respectively. The reactions of 4‐acetylsydnones 1 with arylhydrazines 5 afford compounds 3 as the only products in the absence of solvent.