Production of 2,6-diamino-pyridine

A 2.6-diaminopyridine is prepared through heating amino sodium, organic solvent and phase-transfer catalyst at 140-220 deg.C for 0.5-3 hr, dripping pyridine, Chichibabin reaction, cooling, adding water, hydrolysis reaction, cooling, crystallizing and filtering.

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Bibliographic Details
Main Author ZUOXIANG,CHEN ZENG
Format Patent
LanguageEnglish
Published 05.09.2007
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:A 2.6-diaminopyridine is prepared through heating amino sodium, organic solvent and phase-transfer catalyst at 140-220 deg.C for 0.5-3 hr, dripping pyridine, Chichibabin reaction, cooling, adding water, hydrolysis reaction, cooling, crystallizing and filtering.
Bibliography:Application Number: CN2007167608