Patent · US Expired

Substituted azetidinones as anti-inflammatory and antidegenerative agents

US5591737A · kind A · utility

13Cited by
11References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 1993
Grant dateJan 7, 1997
Priority date
Expiry dateDec 16, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D405/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

New substituted azetidinones of the general Formula (I) which have been found to be potent elastase inhibitors and thereby useful anti-inflammatory and antidegenerative agents are described. ##STR1## wherein R.sub.4 is (a) ##STR2## or (b) ##STR3## where R.sub.x is carboxy C.sub.1-6 alkyl, benzyloxycarbonylC.sub.1-3 alkyl, or t-butoxycarbonylC.sub.1-3 alkyl, wherein PA1 Q is a covalent bond or ##STR4## wherein R.sub.5 and R.sub.6 are each individually C.sub.1-3 alkyl or hydrogen, PA1 Y is ##STR5## or a covalent bond.

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