Water soluble thiophen-2-ylazopyrazole compounds as colorants fo

Details Water soluble thiophen-2-ylazopyrazole compounds as colorants fo Water soluble thiophen-2-ylazopyrazole compounds as colorants fo

1984-04-09

1986-04-01

Warren, Charles F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534769, C09B 29033, C09B 2946

Patent

active

045799385

ABSTRACT:
Thiophen-2-ylazopyrazole dyes useful for dyeing polyesters, cellulose acetate esters, and polyamides in fast yellow shades have the general formula ##STR1## wherein: X is a substituent such as alkyl, allyloxy, alkoxy, aryl, aryloxy, amino, alkylamino, arylamino, cyclohexyloxy, thienyl, cycloalkylamino, or the like; Y is hydrogen, alkyl, or aryl; Z is alkyl, aryl, alkylsulfonyl, 2-benzothiazolyl, cyano or COX; R and R.sub.1 are alkyl or aryl; R.sub.2 is hydrogen, or a substituent such as alkyl, aryl, acyl, benzothiazolyl, pyridyl, sulfolanyl, thiocarbamyl, carbamyl, alkoxycarbonyl, aroyl, or the like; wherein the hydrocarbon moieties of the above radicals may be substituted with up to three of --OH, alkoxy, hydroxyalkoxy, carbamyl, or the like; and wherein the dye molecule contains at least one SO.sub.3 M, OSO.sub.3 M, or SSO.sub.3 M water-solubilizing group.

REFERENCES:
patent: 2827451 (1958-03-01), Towne et al.
patent: 3900460 (1975-08-01), Dehnert
patent: 4301068 (1981-11-01), Giles et al.
patent: 4400318 (1983-08-01), Weaver et al.

Affiliated with

Also associated with

Rating

Water soluble thiophen-2-ylazopyrazole compounds as colorants fo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Water soluble thiophen-2-ylazopyrazole compounds as colorants fo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water soluble thiophen-2-ylazopyrazole compounds as colorants fo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1085452