8-Alkyl-5-oxo-5,8-dihydro-pyrido(2,3-d)pyrimidine-6-carboxylic a

Details 8-Alkyl-5-oxo-5,8-dihydro-pyrido(2,3-d)pyrimidine-6-carboxylic a 8-Alkyl-5-oxo-5,8-dihydro-pyrido(2,3-d)pyrimidine-6-carboxylic a

1973-07-31

1976-04-13

Gallagher, R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602564N, 2602564R, 2602472R, 2602565R, 424251, C07D23900

Patent

active

039503380

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.

REFERENCES:
patent: 3673184 (1972-06-01), Minami et al.
patent: 3770742 (1973-11-01), Matsumoto et al.

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