Azo compounds having a 5-substituted-4-chlorothiazolyl-2-diazo component radical
US4505857A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 10, 1981 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Mar 10, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B29/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## in which K is the radical of a coupling component of the aniline, .alpha.-naphthylamine, pyrazolone, aminopyrazole, indole, tetrahydroquinoline, thiazole, phenol, naphthol, pyridine or pyridone series. PA1 R is --CHO, --CH.dbd.C(CN)--R.sub.1, --CH.dbd.CH--R.sub.2, --CH.dbd.C(NO.sub.2)--R.sub.3, --CH.dbd.NOH or --CN, PA1 wherein R.sub.1 is (C.sub.1-10 alkoxycarbonyl; (C.sub.1-10 alkoxy)carbonyl monosubstituted by chloro, bromo, cyano, hydroxy, C.sub.1-2 alkoxy, (C.sub.1-2 alkyl)carbonyloxy or (C.sub.1-2 alkoxy)carbonyl; (C.sub.1-10 alkoxy)carbonyl disubstituted by hydroxy and by chloro or bromo; (C.sub.3-8 alkenyl)oxycarbonyl; (C.sub.3-8 chloroalkenyl)oxycarbonyl; (C.sub.3-8 bromoalkenyl)oxycarbonyl; propynyloxycarbonyl; benzyloxycarbonyl; chlorobenzyloxycarbonyl; nitrobenzyloxycarbonyl; C.sub.1-4 alkylsulfonyl; phenylsulfonyl; tolylsulfonyl; carbamoyl; (C.sub.1-2 alkyl)carbamoyl; di(C.sub.1-2 alkyl)carbamoyl; phenylcarbamoyl; aminothiocarbonyl; benzimidazolyl-2; cyano; acetyl; phenyl; benzoyl or phenyl or benzoyl substituted by 1, 2 or 3 substituents each of which is independently chloro, bromo or nitro, with the proviso that the maximum number of …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.