Patent · US Expired

Hydroxy substituted phenylglycylamido-3-heterocyclic thiomethyl cephalosporins

US3946003A · kind A · utility

4Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 20, 1974
Grant dateMar 23, 1976
Priority date
Expiry dateAug 20, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D501/36
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

7-(4-Hydroxyphenylglycylamido)-3-(1-methyl-1H-tetrazolyl-5-thiomethyl)-3-ce phem-4-carboxylic acid, 7-(4-hydroxyphenylglycylamido)-3-(5-methyl-1,3,4-thiadiazolyl-2-thiomethyl )-3-cephem-4-carboxylic acid, the corresponding 3-hydroxy isomers and the pharmaceutically acceptable, non-toxic salts thereof are orally effective antibiotics exhibiting high blood levels.

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