Patent · US Expired

Treatment for tissue ulceration

US5270326A · kind A · utility

15Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1992
Grant dateDec 14, 1993
Priority date
Expiry dateMay 12, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K38/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Compounds of the formulas ##STR1## wherein R.sup.1 is H and R.sup.2 is alkyl (3-8C) or wherein R.sup.1 and R.sup.2 taken together are --(CH.sub.2).sub.n -- wherein n=3-5; PA1 R.sup.3 is H or alkyl (1-4C); PA1 R.sup.4 is a substituted or unsubstituted fused or conjugated bicycloaryl methylene; PA1 X is OR.sup.5 or NHR.sup.5, wherein R.sup.5 is H or substituted or unsubstituted alkyl (1-12C), aryl (6-12C), aryl alkyl (6-16C); or PA1 X is an amino acid residue or amide thereof; or PA1 X is the residue of a cyclic amine or heterocyclic amine PA1 are useful for treating or preventing ulceration of tissue, especially cornea.

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