Patent · US Expired

3-Carbamoyloxymethyl-7-(amino-4-thiazolyl-acetamido)-cephalosporanic acid derivatives

US4205072A · kind A · utility

2Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 1977
Grant dateMay 27, 1980
Priority date
Expiry dateFeb 4, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P31/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and a group easily removable by acid hydrolysis or hydrogenolysis, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and A is selected from the group consisting of hydrogen, alkali metal, an equivalent of alkaline earth metal and magnesium and an organic amine base having antibiotic properties and a process for their preparation and novel intermediates.

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