Thiophene-type monoazo dyes

Details Thiophene-type monoazo dyes Thiophene-type monoazo dyes

1995-03-07

1996-06-18

Powers, Fiona T.

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

Organic compounds

Azo

534753, 534788, 534791, 8922, C09B 29033, C09B 2909, D06P 336

Patent

active

055278884

ABSTRACT:
A monoazo dye of the following formula (I): ##STR1## wherein R is phenyl, phenoxy or benzyl, and D is a group of the formula (D1), (D2), (D3) or (D4): ##STR2## wherein each of X.sup.1, X.sup.2 and X.sup.3, which are independent of one another, is hydrogen or chlorine, X.sup.4 is hydrogen, chlorine, methyl or --NHCOR.sup.1, wherein R.sup.1 is C.sub.1-4 alkyl or phenyl; ##STR3## wherein X.sup.4 is as defined above, Y.sup.1 is hydrogen, chlorine or C.sub.1-4 alkoxy; ##STR4## wherein X.sup.5 is hydrogen, halogen, methyl or --NHZ, wherein Z is C.sub.1-4 alkylsulfonyl, C.sub.1-4 alkylcarbonyl, phenylsulfonyl, phenylcarbonyl, C.sub.1-2 alkoxy C.sub.1-2 alkylcarbonyl or aminocarbonyl, Y.sup.2 is hydrogen, methyl or C.sub.1-2 alkoxy, and Q.sup.1 is cyano or C.sub.1-4 alkylcarbonyl; ##STR5## wherein P is formyl, nitro or cyano, Q.sup.2 is cyano or nitro, T is halogen, methyl, phenyl or methylsulfonyl, X.sup.5 is as defined above, and Y.sup.3 is hydrogen or C.sub.1-2 alkoxy. The dyes of the formula (I) are useful for dyeing polyester fibers, particularly fine denier polyester fibers.

REFERENCES:
patent: 3840519 (1974-10-01), Hahn et al.
patent: 4079050 (1978-03-01), Baird et al.
patent: 4564673 (1986-01-01), Niwa et al.
patent: 5283326 (1994-02-01), Hansen et al.
patent: 5340930 (1994-08-01), Himeno et al.
Dyes For Synthetic Fibres, pp. 324-325 (No date available).

Affiliated with

Also associated with

Rating

Thiophene-type monoazo dyes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Thiophene-type monoazo dyes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thiophene-type monoazo dyes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-223664