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Cyclization of 3-Ethoxycarbonylmethyl-, 3-Cyanomethyl-, and 3-Acetylmethyl-1-amino-2-methylbenzimidazolium Salts Effected by Acetic Anhydride in the Presence of a Base

✍ Scribed by T. A. Kuz'menko; V. V. Kuz'menko; V. A. Anisimova


Book ID
111609167
Publisher
SP MAIK Nauka/Interperiodica
Year
2004
Tongue
English
Weight
178 KB
Volume
40
Category
Article
ISSN
1070-4280

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## Abstract In this paper we report that the title compound (3) reacts with excess __N,N__‐dimethylformamide (DMF) containing two equivalents of acetic acid to afford 6‐amino‐1,2,4‐triazolo[3,4‐__f__][1,2,4]triazin‐8(7__H__)‐one (**1**). When 3‐amino‐2‐benzyl‐6‐hydrazino‐1,2,4‐triazin‐5(2__H__)‐one