Patent · US Expired

Cephem compounds

US5215982A · kind A · utility

28Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 1990
Grant dateJun 1, 1993
Priority date
Expiry dateOct 26, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Cephem compounds of the following formula are disclosed: ##STR1## wherein R.sup.1 is amino or protected amino group. R.sup.2 is H or an organic group, PA0 R.sup.3 is H or an organic group, PA0 R.sup.4 is H, lower alkyl, carboxy, protected carboxy, amino, protected amino or carbamoyl, Z=N or CH. The compounds are useful as antimicrobial agents.

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