Patent · US Expired

Biphenyl compounds useful as muscarinic receptor antagonists

US7288657B2 · kind B2 · utility

49Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 2005
Grant dateOct 30, 2007
Priority date
Expiry dateDec 23, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D401/12
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

This invention provides compounds of formula I:wherein a, b, c, d, m, n, p, s, t, W, Ar1, R1, R2, R3, R4, R6, R7, and R8 are as defined in the specification. The compounds of formula I are muscarinic receptor antagonists. The invention also provides pharmaceutical compositions containing such compounds, processes and intermediates for preparing such compounds and methods of using such compounds to treat pulmonary disorders.

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