| abstract |
THE INVENTION RELLATES TIO A SERIES OF NEW COMPOUNDS, THEIR SALTS AND ESTERS AND TO METHODS FOR THE PREPARATION OF THE COMPOUNDS HAVING THE GENERAL FORMULA: 1-(HOOC-),4-(R2-CH2-),5-(H2N-O2S-),(R1-NH-)BENZENE IN WHICH THE NH- R1 GROUP CAN BE IN TH 2- OR 3-POSITION, R1 REPRESENTS AN ALIPHATIC RADICAL WITH FROM 3 TO 8 CARBON ATOMS IN THE CHIAN, OR A MONONUCLEAR AROMATICALLY OR A MONONUCLEAR HETEROCYCLICALLY-SUBSTITUTED METHYL OR ETHYL GROUP, AND R2 REPRESENTS AN UNSUBSTITUTED OR SUBSTITUTED PHENYL GROUP. |