Patent · US Expired

Benzog!quinoline derivatives

US5885988A · kind A · utility

20Cited by
0References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 1998
Grant dateMar 23, 1999
Priority date
Expiry dateJan 7, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D279/14
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention provides compounds of formula I ##STR1## wherein X, Y, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in the description, and a process for preparing them. The compounds of formula I are useful as pharmaceuticals.

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