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Synthesis, structures of some unsymmetrical 3,6-disubstituted-1,2,4,5-tetrazines

✍ Scribed by Wei-Xiao Hu; Feng Xu

Publisher
Journal of Heterocyclic Chemistry
Year
2008
Tongue
English
Weight
337 KB
Volume
45
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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A series of new unsymmetrical 3‐phenyl‐6‐benzyl‐1,2,4,5‐tetrazine derivatives 10a‐i were synthesized and characterized by IR, NMR, MS, and element analysis. The structures of 4a, 10c, 10d and 10h were analyzed by X‐ray crystallography, which had intermolecular C‐H‐N, C‐H‐Cl, C‐H‐II and II‐II interactions.

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Synthesis of the bi-heterocyclic parent ring system 1,2,4-triazolo[4,3-b][1,2,4,5]tetrazine and some 3,6-disubstituted derivatives
✍ David E. Chavez; Michael A. Hiskey 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 236 KB 👁 1 views

## Abstract The synthesis of the previously unknown parent ring system was developed. Treatment of 3‐hydrazino‐1,2,4,5‐tetrazine (4) with diethoxymethyl acetate gave the parent ring system. Similar treatment of 3‐(3,5‐dimethylpyrazol‐1‐yl)‐6‐hydrazino‐1,2,4,5‐tetrazine (2) with one carbon cyclizing