Patent · US Expired

7-[2-Alkoxyimino-2-(5-amino-1,2,4-thiadiazol-3-yl)acetamido]-3-cephems

US4447429A · kind A · utility

17Cited by
3References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1980
Grant dateMay 8, 1984
Priority date
Expiry dateDec 5, 2000

Classification

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

Abstract

This invention relates to novel cephem compounds of high antimicrobial activity of the formula ##STR1## wherein R.sup.1 is amino or a protected amino, PA0 R.sup.2 is lower alkyl, PA0 R.sup.3 is hydrogen or lower alkyl, PA0 R.sup.4 is hydrogen, acyloxy(lower)alkyl or acylthio(lower)alkyl and PA0 R.sup.5 is carboxy or a protected carboxy.

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