Asymmetrical 1:2 cobalt complexes of certain substituted phenylazonaphthalenes
US4155903A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 30, 1976 |
| Grant date | May 22, 1979 |
| Priority date | — |
| Expiry date | Apr 30, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B45/487
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are homogeneous complexes of the formula ##STR1## wherein R.sub.1 is hydrogen, alkyl, phenyl or substituted phenyl, ##STR2## WHEREIN ONE Q is hydrogen and the other is sulfo, and N IS 0 OR 1 (THE SULFO GROUP BEING IN THE 5- OR 6-POSITION WHEN N IS 1), PA1 R.sub.4 is hydrogen, alkyl, alkoxy, chloro, bromo or nitro, PA1 R.sub.5 is hydrogen, alkyl, alkoxy, chloro, bromo, nitro or sulfo, PA2 With the proviso that when one of R.sub.4 and R.sub.5 is hydrogen, the other is other than hydrogen and is in the 4- or 5-position and when both are other than hydrogen, one is in the 4-position and the other is in the 5- or 6-position, PA1 One of R.sub.6 and R.sub.7 is hydrogen, chloro or nitro and the other is hydrogen, sulfamoyl or substituted sulfamoyl, and ##STR3## wherein one of R.sub.10 and R.sub.11 is hydrogen and the other is hydrogen, chloro, alkyl, alkoxy or trifluoromethyl, PA2 R.sub.12 is hydrogen or methyl, PA2 R.sub.13 is methyl, chloro or bromo, with the proviso that R.sub.12 is hydrogen when R.sub.13 is chloro or bromo, PA2 Y.sub.1 is hydrogen or acylamino, PA2 Y.sub.2 is hydrogen, alkyl, alkoxy, chloro or bromo, PA2 Y.sub.3 is hydrogen or 5- or 6-sulfamoyl, alkylsulfamoy…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.