Patent · US Expired

3-substituted-8-oxo-7-substituted-thioxomethylamino-5 -thia-1-azabicyclo-(4.2.0)oct-2-ene-2-carboxylic acid, diphenylmethyl esters

US4866169A · kind A · utility

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1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 1986
Grant dateSep 12, 1989
Priority date—
Expiry dateOct 20, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D499/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Diphenylmethyl esters of cephalosporins, and processes for synthesizing such, are described and disclosed.

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