Patent · US Expired

Manumycin derivatives and the use thereof

US5079263A · kind A · utility

20Cited by
0References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 1988
Grant dateJan 7, 1992
Priority date
Expiry dateDec 2, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

##STR1## where R.sup.1 is H or OH; PA1 R.sup.2 is H or OH; PA1 R.sup.3 is H, OH, OCH.sub.3, CH.sub.3 or NH.sub.2 ; PA1 Rhu 4 is H, OH, OCH.sub.3, NH.sub.2 or ##STR2## The compounds of the formula I are prepared by fermentation of the strain Streptomyces parvulus DSM 40722 in the presence of substituted benzoic acids of the general formula II ##STR3## where R.sup.1 is H or OH; PA1 R.sup.2 is H or OH; PA1 R.sup.3 is H, OH, OCH.sub.3, CH.sub.3 or NH.sub.2 ; PA1 R.sup.4 is H, OH, OCH.sub.3 or NH.sub.2, and they inhibit Leukocyte elastase and can be used as pharmaceuticals.

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