Patent · US Expired

Chromone derivative, and aldose reductase inhibitor comprising said compound as active ingredient

US5521216A · kind A · utility

5Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1994
Grant dateMay 28, 1996
Priority date
Expiry dateMay 12, 2014

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P27/12
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to a chromone derivative of formula (1): ##STR1## (wherein R.sub.1 and R.sub.2 are the same or different and independently represent a hydrogen atom or a lower alkyl group) as well as a synthetic intermediate thereof and an aldose reductase inhibitor comprising said derivative as an active ingredient. The chromone derivatives of the present invention can be easily synthesized, and are useful as aldose reductase inhibitor with an excellent inhibitory action on aldose reductase.

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