| abstract |
2-Anilino-1,6-dihydro-6-oxo-5-pyrimidinecarboxylic acid derivatives of the formula:n wherein R' and R 2 are the same or different and are each hydrogen, an alkoxy, a tetrahydrofurylalkoxy, an alkyl, an alkoxycarbonyl, a halogen, a dialkyiamino, hydroxy, trifluoromethyl, or nitro, and R 3 is hydrogen or an alkyl, or a pharmaceutically acceptable salt thereof, which have excellent anti-allergic activities and are useful, particularly for the prophylaxis and treatment of allergic esthma, and processes for the preparation thereof, and anti-allergic agent containing said compounds as an active ingredient. |