Patent · US Expired

Cephem compounds

US4723004A · kind A · utility

0Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 1984
Grant dateFeb 2, 1988
Priority date
Expiry dateDec 14, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12R2001/645
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A compound of the formula: ##STR1## wherein R.sup.1 is ##STR2## HOOC--(CH.sub.2).sub.3 --CO-- or hydrogen, or a salt thereof, is useful as an intermediate for the production of cephem compounds, and some of them are useful as antimicrobial agents.

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