N-(aminobenzoyl)-aminoarylsulfonic acids

Details N-(aminobenzoyl)-aminoarylsulfonic acids N-(aminobenzoyl)-aminoarylsulfonic acids

1975-06-12

1977-10-04

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465D, 260203, 260151, 560 13, C07C14352, C09B 2920, C07C14940, C07C12150

Patent

active

040524442

ABSTRACT:
N-(aminobenzoyl)-aminoarylsulfonic acids and their alkali metal salts of the formula ##STR1## WHEREIN X is hydrogen, chlorine, bromine, lower alkyl, lower alkoxy, alkylamino, trifluoromethyl, phenyl, phenoxy, nitro or cyano, Y represents hydrogen, chlorine, bromine, lower alkyl or lower alkoxy, A is phenylene or naphthylene and n is 1 or 2, the sulfo group standing in 4-position to the benzoylamino group (which is in 1-position), are diazo components for the preparation of azo dyestuffs and the color toners and color lakes which may be obtained therefrom and which possess very good properties of fastness.

REFERENCES:
patent: 2355114 (1944-08-01), Schirm
patent: 3200109 (1965-08-01), Ribka
patent: 3405119 (1968-10-01), Stocker et al.

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