Patent · US Expired

Phthalidyl esters of 7-[(.alpha. amino, 2 substituted acetamido)-3-(heterocyclic-thio methyl)]cephalosporins

US4092476A · kind A · utility

2Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1976
Grant dateMay 30, 1978
Priority date—
Expiry dateDec 29, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D501/26
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Phthalidyl and substituted phthalidyl esters of certain cephalosporins are absorbed by the oral route into the serum, where they are hydrolyzed to the parent antibacterially active cephalosporin.

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