| abstract |
COMPOUNDS OF THE FORMULA 2-R1,4-R2,6-R3,7-(O=),8-A-7,8-DIHYDROPTERIDINE WHEREIN A STANDS FOR A MEMBER SELECTED FROM 1-ALDOPENTOSIDYL, 1-ALDOHEXOSIDYL, PARTIALLY DESOXYGENATED 1-ALDOPANTOSIDYL, PARTIALLY DESOXYGENATED 1-ALDOHEXOSIDYL, ONE OF SAID RADICALS WITH FREE HYDROXYL GROUPS, HYDROXYL GROUPS ESTERIFIED BY A MEMBER SELECTED FROM LOWER ALKANOYL AND AROYL OR ETHERIFIED BY ARYL-LOWER ALKYL, R1, R2 AND R3 EACH STANDS FOR A MEMBER SELECTED FROM HYDROGEN, LOWER ALKYL, ARYL-LOWER ALKYL, PHENYL, LOWE ALKYL PHENYL, LOWER ALKOXY PHENYL, HALOGENO PHENYL, TRIFLUOROMETHYL PHENYL, FREE AMINO, MONO-LOWER ALKYLAMINO, DI-LOWER ALKYLAMINO, ARYL AMINO, N-ARYL-N-LOWER ALKYLAMINO, HYDROXY, LOWER ALKOXY, ARYL-LOWER ALKOXY, HALOGEN, MERCAPTO, LOWE ALKYLMERCAPTO, ARYL-LOWER ALKYLMERCAPTO, CARBOXY, LOWER ALKOXY CARBONYL AND ARYL-LOWER ALKOXY CARBONYL, THEIR TAUTOMERS AND SALTS ARE USEFUL AS ANTIBACTERIAL AND ANTIVIRAL AGENTS. |