Azo compounds having 2,4-disubstituted-3-halothienyl-5-diazo component radicals, dyeing processes therewith and substrates dyed therewith
US5132411A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1990 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Mar 19, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## wherein R is halo, PA0 R.sub.1 is cyano; (C.sub.1-6 alkoxy)carbonyl; (C.sub.3-6 alkenyl)oxycarbonyl; C.sub.1-4 alkylsulfonyl; phenylsulfonyl; (C.sub.1-4 alkyl)carbonyl; benzoyl; carbamoyl; (C.sub.1-4 alkyl)carbamoyl; N,N-di-(C.sub.1-4 alkyl)carbamoyl; phenylcarbamoyl; benzyloxycarbonyl; or (C.sub.1-6 alkoxy)carbonyl, (C.sub.3-6 alkenyl)oxycarbonyl, C.sub.1-4 alkylsulfonyl, phenylsulfonyl or (C.sub.1-4 alkyl)carbamoyl substituted by one or two substituents independently selected from chloro, bromo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, hydroxy, cyano and acyl, and PA0 R.sub.2 is formyl, cyano, --CH.dbd.C(R.sub.4).sub.2 or --CH.dbd.N--OH, PA1 wherein (1) each R.sub.4 is independently cyano; (C.sub.1-6 alkoxy)carbonyl; (C.sub.3-6 alkenyl)oxycarbonyl; (C.sub.3-6 alkynyl)oxycarbonyl; or (C.sub.1-6 alkoxy)carbonyl, (C.sub.3-6 alkenyl)oxycarbonyl or (C.sub.3-6 alkynyl)oxycarbonyl substituted by one or two substituents independently selected from chloro, bromo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, hydroxy, cyano and acyl, PA1 (2) one R.sub.4 is cyano and the other is benzoyl or benzoyl monosubstituted by (C.sub.1-4 alkoxy)carbonyl, C.sub.1-4 alkylsulfonyl, phye…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.