Patent · US Expired

Antibiotic compounds

US5554606A · kind A · utility

7Cited by
8References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 1994
Grant dateSep 10, 1996
Priority date
Expiry dateOct 26, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D477/20
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides a compound of the formula (I) ##STR1## wherein: R.sup.1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl; R.sup.2 is hydrogen or C.sub.1-4 alkyl; R.sup.3 and R.sup.4 are ortho with respect to one another wherein R.sup.3 and R.sup.4 are independently hydroxy or in vivo hydrolyzable esters thereof; the benzene ring being optionally further substituted; or a pharmaceutically acceptable salt or in vivo hydrolyzable ester thereof.

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