5-Aminopyridine compounds
US4847382A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 29, 1988 |
| Grant date | Jul 11, 1989 |
| Priority date | — |
| Expiry date | Feb 29, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
##STR1## in which R.sup.1 represents hydrogen, --0--R.sup.7 or --NHR.sup.8, PA1 R.sup.2 represents hydrogen or halogen, PA1 R.sup.3 represents hydrogen or, together with R.sup.2, represents .dbd.0, PA1 R.sup.4 represents hydrogen or alkyl, PA1 R.sup.5 represents hydrogen, alkyl, halogenoalkyl or aryl, PA1 R.sup.7 represents alkyl, PA1 R.sup.8 represents alkyl, cyloalkyl, aralkyl, aryl or heterocyclyl, which can optionally be substituted, PA1 R.sup.9 represents acyl or hydrogen and Hal represents halogen. Compounds III are new. Compounds I are known as yield-promoting agents in animal feeds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.