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Nitroazines 18. Arylation and destruction of 6-nitro-1,2,4-triazolo[1,5-a]pyrimidines

✍ Scribed by V. L. Rusinov; M. N. Kushnir; O. N. Chupakhin; G. G. Aleksandrov


Publisher
Springer US
Year
1992
Tongue
English
Weight
481 KB
Volume
28
Category
Article
ISSN
0009-3122

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Addition of hydrazine to 4,7-dihydro[1,2
✍ Sergey A. Komykhov; Konstantin S. Ostras; Kyryl M. Kobzar; Vladimir I. Musatov; πŸ“‚ Article πŸ“… 2009 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 63 KB

## Abstract magnified image The 7‐aryl‐4,7‐dihydro[1,2,4]triazolo[1,5‐__a__]pyrimidines **1a**, **1b**, **1c** can undergo addition of hydrazine to the enamine double bond leading to hydrazine derivatives of tetrahydrotriazolopyrimidines **2a**, **2b**, **2c**; the process is usually accompanied by