| abstract |
A COMPOUND IS PROVIDED SELECTED FROM (A) COMPOUNDS OF THE FORMULA 1-(R7-N(-R6)-SO2-(PHENYLENE)-(CH2)N-),3-R1,3-R2,4-R3, 4-R4-PYRROLIDINE-2,5-DIONE WHEREIN R1, R2, R3 AND R4 ARE EACH HYDROGEN OR ALKYL OF 1-5 CARBON ATOMS, AT LEAST ONE OF R1, R2, R3 AND R4 BEING ALKYL OF 1-5 CARBON ATOMS AND R6 AND R7 ARE EACH HYDROGEN, THIAZOLYL, PYRIMIDYL, ALKYL OR 1-5 CARBON ATOMS, ACETYL, B-HYDROXYETHYL, N-BUTYLCARBAMYL OR ETHOXYCARBONYL-METHYL OR R6 AND R7 TOGETHER WITH THE NITROGEN ATOM TO WHICH THEY ARE ATTACHED ARE PIPERIDYL OR PIPERAZYL AND N IS 0 OR 1; (B) COMPOUNDS CORRESPONDING TO SAID COMPOUNDS (A) WHEREIN THE -SO2NR6R7 GROUP IS JOINED TO S SUBSTITUENT ON AN ADJACENT CARBON ATOM OF THE BENZENE RING TO FORM THE CHAIN -CO-NH-SO2-; (C) COMPOUNDS CORRESPONDING TO SAID COMPOUNDS (A) AND (B) SUBSTITUTED ON THE BENZENE RING BY AT LEAST ONE OF HALOGEN, LOWER ALKYL, ALKOXY OR 1-5 CARBON ATOMS, NITRO, AMINO, CARBOXYL, ACETYL OR PHENYL LOWER ALKANOYL; AND (D) SALTS OF SAID COMPOUNDS (A), (B) AND (C) WITH ALKALI METALS, AMMMONIA OR AMINES. |