Heterocycles p. 235 - 242 (1994)
Update date:2022-08-05
Topics:
Tsuge, Otohiko
Hatta, Taizo
Mizuguchi, Ryuzo
Methacryloyl isocyanate (MAI) reacted with arylhydrazines (1) to give semicarbazides (2) in good yields.Treatment of 2 with aqueous potassium hydroxide gave the corresponding 1-aryl-3-hydroxy-1,2,4-triazoles (3), whereas thermal ring closure of 2 afforded
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