Azo compounds containing a naphthalic imide coupler

Details Azo compounds containing a naphthalic imide coupler Azo compounds containing a naphthalic imide coupler

1975-03-06

1977-11-08

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260152, 260155, 260281N, 260295T, 260281Q, 544 98, C09B 2936

Patent

active

040575390

ABSTRACT:
An azo dye having the formula (1): ##STR1## wherein R.sup.1 represents hydrogen, methyl, ethyl, propyl, butyl, pentyl, hexyl, hydroxyalkyl, alkoxyalkyl, alkoxycarbonylalkyl, acyloxyalkyl, acylalkyl, hydroxyalkylaminoalkyl, cyanoalkyl, aminoalkyl, N,N-dialkylaminoalkyl, alkylaminoalkyl, chloroalkyl, bromoalkyl, carboxyalkyl, morpholinoalkyl, cyclohexyl, phenethyl, benzyl, phenyl, chlorophenyl, methoxyphenyl, nitrophenyl, tolyl, xylyl, dialkylaminophenyl and alkyl containing an ammonium group wherein the ammonium nitrogen is quaternized by alkyl groups or by an amino group with alkyl groups, or wherein the ammonium nitrogen atom is the heterocyclic nitrogen atom of a morpholine ring or a pyridine ring, wherein R.sup.2, R.sup.3, R.sup.4 and R.sup.5 represent hydrogen, chlorine, bromine, nitro, cyano, carboxyl, methyl, ethyl, propyl, butyl, trifluoromethyl, .beta.-hydroxyethyl, phenyl, alkoxy, chlorophenoxy, alkoxycarbonyl, acetyl, benzoyl, acetylamino, benzoylamino, alkylsulfonyl, phenylsulfonyl, dimethylaminosulfonyl, dibutylaminosulfonyl, diethylaminosulfonyl, dialkylcarbamoyl, and aminocarbonyl under conditions such that at least one of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is hydrogen, wherein the terms "alkyl" and "alkoxy" for the groups of R.sup.1 have from one to six carbon atoms and wherein the terms "alkyl" and "alkoxy" for the groups R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have from one to four carbon atoms; X represents hydrogen, chlorine, bromine, iodine and nitro and n represents 0 or an integer from 1 to 3, which is useful for dyeing synthetic fibers, synthetic-semi-synthetic fibers and blends thereof with natural fibers.

REFERENCES:
patent: 2961438 (1960-11-01), Fuchs et al.
patent: 3462408 (1969-02-01), Hoffmann et al.

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