Patent · US Expired

Cephem compounds and their production

US4667027A · kind A · utility

1Cited by
0References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 1984
Grant dateMay 19, 1987
Priority date
Expiry dateDec 14, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12R2001/64
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A compound of the formula: ##STR1## wherein R.sup.1 stands for hydrogen or formylamino, R.sup.2 is a residue of amino acid selected from the group consisting of serine and alanine, or a peptide of at least one of these amino acids, or hydrogen, R.sup.3 stands for --NH--C(.dbd.NH)--NH.sub.2 or --CH.sub.2 NH.sub.2, or its salt, which can be produced by cultivating a microorganism belonging to the genus Xanthomonas, is useful as a therapeutic agent against infectious disease caused by bacteria.

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