Patent · US Expired

Cephem compounds

US5244890A · kind A · utility

31Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 20, 1992
Grant dateSep 14, 1993
Priority date
Expiry dateMay 20, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D501/46
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Cephem compounds having the following formula are disclosed: ##STR1## R.sup.1 =amino or protected amino R.sup.2 =an organic group ##STR2## R.sup.6 =lower alkyl R.sup.7, R.sup.8 .dbd.OH or protected OH PA1 Y.dbd.N or CH PA1 The compounds are useful as antimicrobial agents.

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