Patent · US Expired

3-cyanoquinoline derivatives

US4927935A · kind A · utility

1Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 7, 1988
Grant dateMay 22, 1990
Priority date
Expiry dateNov 7, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D215/54
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound of the formula I ##STR1## where A is nitro, amino, halocarbonyl or halosulfonyl, R is hydrogen, halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkanoylamino, hydroxyl, C.sub.1 -C.sub.4 -alkoxy phenoxy which is unsubstituted by methyl or chloro, mercapto, C.sub.1 -C.sub.4 -alkylthio, phenylthio which is unsubstituted or substituted by ethyl, fluoro, or methoxy, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, phenoxycarbonyl which is unsubstituted or substituted by isopropyl, bromo, or methoxy, carbamoyl, hydroxysulfonyl, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl which is unsubstituted or substituted by ethyl, chloro, or isopropoxy, sulfamoyl or trifluoromethyl or is C.sub.1 -C.sub.4 -alkyl which may be substituted by hydroxyl, C.sub.1 -C.sub.4 -alkoxy or halogen, and X and Y are each, independently of one another, halogen, hydroxysulfonyl, C.sub.1 -C.sub.4 -alkoxy or phenoxy which is unsubstituted or substituted by methyl or chloro, phenoxy, subject to the proviso that at least one of X and Y is halogen.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.