Patent · US Expired

Phosphinic acid derivatives

US4885283A · kind A · utility

35Cited by
1References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1987
Grant dateDec 5, 1989
Priority date
Expiry dateDec 1, 2007

Classification

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

Abstract

The invention relates compounds of the formula ##STR1## wherein R.sup.1 -R.sup.5 and X have the significance given in the description, and their pharmaceutically acceptable salts. The compounds of formula I inhibit the enzyme collagenase and can be used in the form of medicaments for the control or prevention of degenerative joint diseases such as rheumatoid arthritis and osteoarthritis.

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