Synthetic Communications p. 3963 - 3976 (1997)
Update date:2022-08-17
Topics:
Katritzky, Alan R.
Wang, Jin
Karodia, Nazira
Li, Jianqing
α-(Benzotriazol-1-yl)hydrazones 2a-d and 13a-c were prepared by refluxing the corresponding α-(benzotriazol-1-yl)ketones with p-tosyl hydrazide or benzenesulfonyl hydrazide. Treatment of 2a-b with n-butyllithium in the presence of TMEDA gave benzotriazines 6a-b, while lithiation of 13a-c resulted in indole derivatives 16a-c, depending on the structure of the hydrazones.
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