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Synthesis of 3-amino and 3-alkylamino derivatives of isofervenuline. First instance of direct amination of the 1,2,4-triazine ring at position 3

✍ Scribed by A. F. Pozharskii; A. V. Gulevskaya; V. V. Kuz'menko


Book ID
104785572
Publisher
Springer US
Year
1988
Tongue
English
Weight
149 KB
Volume
24
Category
Article
ISSN
0009-3122

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The synthesis of 4-amino-3-(2-pyridyl)py
✍ Petr CankaΕ™; Jan Slouka πŸ“‚ Article πŸ“… 2003 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 40 KB πŸ‘ 1 views

## Abstract A mixture of both geometrical isomers of hydrazones **3a‐3e** was obtained by the coupling reactions of pyrazole‐3‐diazonium salts __2a‐2d__ and benzenediazonium chloride **2e** with 2‐pyridylacetonitrile **1**. Hydrazones **3a‐3d** were cyclized to the corresponding 4‐amino‐3‐(2‐pyridy