Pyridine sulfonamides and their use as anticoccidial agents
US4094982A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1976 |
| Grant date | Jun 13, 1978 |
| Priority date | — |
| Expiry date | Apr 28, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/70
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Pyridine derivatives having the formula ##STR1## wherein R.sub.1 represents hydrogen atom, amino group or a group ##STR2## in which R.sub.5 and R.sub.6 may be the same or different and each represents an alkyl group of 1 to 4 carbon atoms or R.sub.5 is hydrogen atom and R.sub.6 represents an alkyl group of 1 to 4 carbon atoms, an alkenyl group of 3 or 4 carbon atoms or a benzyl group optionally substituted with halogen, cyano, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms; PA1 R.sub.2 represents nitro group, amino group or an alkylamino group of 1 to 3 carbon atoms; PA1 R.sub.3 and R.sub.4 individually represent hydrogen atom, an alkyl group of 1 to 4 carbon atoms, an alkoxyalkyl group which has 1 to 4 carbon atoms in the alkoxy moiety and 2 to 4 carbon atoms in the alkyl moiety, an alkenyl group of 3 or 4 carbon atoms, an alkanoyl group of 1 to 18 carbon atoms or a benzyl group optionally substituted with halogen, cyano, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms; provided that when R.sub.1 is hydrogen atom and R.sub.2 is nitro group, R.sub.3 and R.sub.4 may be the same or different and each represents said alkyl group or said alkoxyalkyl group o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.