Patent · US Expired

5-Aminopyridine compounds

US4847382A · kind A · utility

6Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 29, 1988
Grant dateJul 11, 1989
Priority date
Expiry dateFeb 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.