Patent · US Expired

Chromene derivatives and salts thereof, and pharmaceuticals containing the same

US6124347A · kind A · utility

1Cited by
0References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 29, 1998
Grant dateSep 26, 2000
Priority date
Expiry dateSep 29, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Disclosed are chromene derivatives represented by the following formula: ##STR1## wherein R.sup.1 s represent alkyl, alkoxy or like groups, R.sup.2 represents a hydrogen atom or an alkyl group, R.sup.3 represents a substituted or unsubstituted phenyl, naphthyl or heterocyclic group, and m stands for an integer of from 0 to 4, and their salts; and pharmaceuticals containing them as effective ingredients. The chromene derivatives and their salts show excellent AGE formation inhibitory action and are useful as preventives and therapeutics for diabetic complications.

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