Bulletin of the Chemical Society of Japan p. 544 - 547 (1984)
Update date:2022-08-05
Topics:
Ito, Suketaka
Tanaka, Yumo
Kakehi, Akikazu
3,4-Diaryl-4H-1,2,4-triazoles were obtained in good to comparable yields by the reaction of N-alkyl-N-phenylsulfonyl-N''-arylbenzamidrazones with sodium hydride.The reaction probably proceeds via the elimination of benzenesulfinic acid and the oxidative cyclization of N-alkylidene-N''-arylbenzamidrazones generated by the base-catalyzed isomerization of azo intermediates.
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