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Spirocyclic betaines or 2-amino-Δ2-1,3,4-thiadiazoline-5-acetic acid and their rearrangement in acetic anhydride

✍ Scribed by V. Ya. Kauss; I. Ya. Kalvin'sh


Publisher
Springer US
Year
1993
Tongue
English
Weight
154 KB
Volume
29
Category
Article
ISSN
0009-3122

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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