Process for the synthesis of diaminopyridines from...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

Reexamination Certificate

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C544S082000, C546S250000, C528S176000, C528S198000, C528S208000

Reexamination Certificate

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08084569

ABSTRACT:
A liquid-phase process is provided for the synthesis from glutarimidines of diaminopyridines and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process.

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