Treatment for tissue ulceration
US5270326A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 1992 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | May 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.