Patent · US Expired

Thiol based collagenase inhibitors

US4595700A · kind A · utility

56Cited by
9References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 1985
Grant dateJun 17, 1986
Priority date
Expiry dateFeb 21, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/4006
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to compounds of the formula: ##STR1## wherein R.sub.1 represents lower alkyl, phenyl or phenyl lower alkyl; PA0 R.sub.2 and R.sub.4 represent lower alkyl; and PA0 R.sub.3 represents lower alkyl, benzyloxyalkyl, alkoxybenzyl or benzyloxybenzyl wherein the oxyalkyl or alkoxy moiety contain 1 to 6 carbon atoms; and a, b, and c represent chiral centers with optional R or S stereochemistry. These compounds inhibit collagenase and are useful in the treatment of arthritis. Also disclosed are processes for manufacture of the compounds and pharmaceutical compositions containing them.

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