Patent · US Expired

Cephem compounds

US5173485A · kind A · utility

24Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 1991
Grant dateDec 22, 1992
Priority date
Expiry dateJun 14, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D519/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to an antimicrobial compound of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group, PA1 R.sup.2 is lower alkyl, lower alkenyl, carboxy (lower) alkyl or protected carboxy(lower)alkyl, PA1 R.sup.3 is hydrogen, lower alkyl, hydroxy(lower)alkyl, protected hydroxy(lower)alkyl, amino(lower)alkyl, protected amino(lower)alkyl or lower alkanoyl, PA1 R.sup.4 is hydrogen, lower alkyl or lower alkylthio, and PA1 Z is N or CH or a pharmaceutically acceptable salt thereof.

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