8-Alkyl-5-oxo-5,8-dihydro-pyrido(2,3-d)pyrimidine-6-carboxylic acids and
申请人:Laboratoire Roger Bellon
公开号:US03950338A1
公开(公告)日:1976-04-13
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.
8-Alkyl-5-oxo-5,8-dihydro-pyrido(2,3-d)pyrimidine-6-carboxylic acids for
申请人:Laboratoire Roger Bellow
公开号:US04034094A1
公开(公告)日:1977-07-05
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.