Process for the preparation of an 8-alkyl-5-oxo-5,8-dihydro-pyri

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

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544295, 544117, C07D47104

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active

041297377

ABSTRACT:
Valuable antibacterial 8-alkyl-5-oxo-5,8-dihydro-pyrido(2,3-d)pyrimidine-6-carboxylic acids, some of which are new compounds, are made from corresponding pyrimidines by a process involving condensation with an amino-ester, cyclization, halogenation, dehydrohalogenation, and saponification.

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