Patent · US Expired

Azabicylo oxime compounds

US5278170A · kind A · utility

5Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1991
Grant dateJan 11, 1994
Priority date
Expiry dateOct 30, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein R.sup.1 represents ##STR2## in which each of p and q independently represents an integer of 2 to 4, r represents an integer of 2 to 4, s represents 1 or 2 and t represents 0 or 1; PA0 R.sub.2 is a group OR.sub.4, where R.sub.4 is C.sub.1-4 alkyl, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, a group OCOR.sub.5 where R.sub.5 is hydrogen or R.sub.4, or a group NHR.sub.6 or NR.sub.7 R.sub.8 where R.sub.6, R.sub.7 and R.sub.8 are independently C.sub.1-2 alkyl; and PA0 R.sub.3 is chloro, fluoro, bromo, cyclopropyl, C.sub.1-3 alkyl substituted by one, two or three halogen atoms, or R.sub.3 is a group (CH.sub.2).sub.n R.sub.9 where R.sub.9 is --CN, --OH, --OCH.sub.3, --SH, --SCH.sub.3, --C.tbd.CH or --CH.dbd.CH.sub.2 and n is O or 1, with the proviso that when n is 0, R.sub.9 is not --OH or --SH.

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