Monocyclic carbocyclic aromatic amine

Claim 2

SYMMETRICAL QUINACRIDINE-7,14-DIONE OF THE FORMULA:

Claim 3

IN THE PREPARATION OF DI-ARYLAMINO-TEREPHTHALIC ACID COMPOUND, THE IMPROVEMENT WHICH CONSISTS ESSENTIALLY OF (I) REACTING, AT A TEMPERATURE BETWEEN 70* AND 160*C. AND WITH A PH RANGE OF FROM 2 TO 12 IN CONTACT WITH (A) COPPER CATALYST, (B) ACID-BINDING AGENT, AND (C) POLAR SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATER, LOW MOLECULAR ALCOHOL OF FROM 1 TO 4 CARBON ATOMS, GLYCERINE, ETHYLENE GLYCOL, PROPYLENE GLYCOL AND POLYETHYLENE GLYCOL, (1) ONE MOLE OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A 2,5-DIHALOGENOTEREPHTHALIC ACID AND A 2,5DIHALOGENOTEREPHTHALIC ACID ESTER WITH (2) ONE MOLE OF A MONOCYCLIC CARBOCYCLIC AROMATIC AMINE, WHEREIN FROM 1 TO 2 OF THE POSITIONS ORTHO TO THE AMINO GROUP ARE FREE, WHEREBY A MONOHALOGENO-MONOARYLAMINO-TEREPHTHALIC ACID COMPOUND IS OBTAINED, AND (II) REACTING, AT A TEMPERATURE BETWEEN 70* AND 160*C. AND WITHIN A PH RANGE OF FROM 2 TO 12 IN CONTACT WITH (A) COPPER CATALYST, (B) ACID-BINDING AGENT AND (C) POLAR SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATER, LOW MOLECULAR ALCOHOL OF FROM 1 TO 4 CARBON ATOMS, GLYCERINE, ETHYLENE GLYCOL, PROPYLENE GLYCOL AND POLYETHYLENE GLYCOL, (3) ONE MOLE OF SAID MONOHALOGENO-MONOARYLAMINO-TEREPHTHALIC ACID COMPOUND WITH (4) ONE MOLE OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) THE SAME AROMATIC AMINE AS EMPLOYED IN STEP I, (B) ANOTHER MONOCYCLIC CARBOCYCLIC AROMATIC AMINE WHEREIN FROM 1 TO 2 OF THE POSITIONS ORTHO TO THE AMINO GROUP ARE FREE, AND (C) A MIXTURE OF SAID AROMATIC AMINES.