Hydroxylamine derivative of 5-nitro-8-hydroxy quinoline
US4801717A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1986 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Jun 24, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D277/68
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Novel hydroxylamino derivatives of the formula EQU Ar--ONH.sub.2 I wherein Ar is selected from the group consisting of mono- and polycyclic aromatics and hetero-aromatics, both optionally substituted with at least one member of the group consisting of --OH, halogen, --NO.sub.2, --CN, ##STR1## --R.sub.7, --OR.sub.8, ##STR2## --SO.sub.2 R.sub.12, --SO.sub.3 R.sub.13, --COOR.sub.14, aryl of 6 to 14 carbon atoms, --OR.sub.16, --CH.sub.2 --CN and --CH.sub.2 SO.sub.2 --R.sub.15, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are individually selected from the group consisting of hydrogen and alkyl of 1 to 8 carbon atoms, R.sub.7 and R.sub.8 are optionally unsaturated alkyl of 1 to 8 carbon atoms optionally substituted with at least one member of the group consisting of halogen and cyano, R.sub.9, R.sub.10, R.sub.11, R.sub.12 and R.sub.13 are alkyl of 1 to 8 carbon atoms, Z is selected from the group consisting of hydrogen, optionally unsaturated alkyl of 1 to 8 carbon atoms and acyl of an organic carboxylic acid of 2 to 18 carbon atoms, R.sub.14 is selected from the group consisting of hydrogen and alkyl of 1 to 8 carbon atoms, R.sub.15 is selected from the group consisting of a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.