What question did this study set out to answer?

To explore a non-catalytic method for substituting halogen atoms in 1,2,4-triazine derivatives and transforming them into (bi)pyridines.

February 28, 2026

Non-Catalytic Synthesis of 5-(4-Cycloalkylamino)Phenyl(bi)pyridines

Key Points

To explore a non-catalytic method for substituting halogen atoms in 1,2,4-triazine derivatives and transforming them into (bi)pyridines.
Investigated non-catalytic halogen substitution in the -position of phenyl substituents.
Conducted transformations of 1,2,4-triazines into (bi)pyridines.
Employed the Bodger reaction with 2,5-norbornadiene under elevated pressure using autoclave technology.
Successfully demonstrated non-catalytic substitution of halogen atoms in 1,2,4-triazine derivatives.
Showed the conversion of 1,2,4-triazines into (bi)pyridines under specific conditions.

Abstract

The possibility of non-catalytic -substitution of the halogen atom in the -position of the phenyl substituent in the C6 position of the 1,2,4-triazine ring by a cycloalkylamine group in the absence of a solvent was investigated. The possibility of transforming the obtained 1,2,4-triazines into the corresponding (bi)pyridines using the Bodger reaction with 2,5-norbornadiene under elevated pressure (using autoclave technology) was shown.

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S.E. Vatolina (Wed,) studied this question.

synapsesocial.com/papers/69a286370a974eb0d3c0108a — DOI: https://doi.org/10.7868/s3034630425080189

Non-Catalytic Synthesis of 5-(4-Cycloalkylamino)Phenyl(bi)pyridines

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