Patent · US Expired

Substituted benzenesulfonylureas and -thioureas-processes for their preparation and their use as pharmaceuticals

US6506937B2 · kind B2 · utility

0Cited by
8References
11Claims
0Family size

Inventors

Key dates

Filing dateNov 29, 2001
Grant dateJan 14, 2003
Priority date
Expiry dateDec 10, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C335/42
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Benzenesulfonylureas and -thioureas of the formula I where R(1) is H or (fluoro)methyl, R(2) is H, Hal or (fluoro) (mercapto)alk(oxy)yl, E is O or S; Y is —[CR(3)2]n—, where R(3)=H or alkyl and n=1-4, X is H, Hal or alkyl and Z is Hal, NO3 or alk(yl)oxy, are described.The compounds I are used for treatment of disturbances in cardiac rhythm and prevention of sudden cardiac death caused by arrhythmia, and can therefore be used an antiarrhythmics. They are particularly suitable for those cases where arrhythmias are a consequence of a narrowing of a coronary vessel, such as angina pectoris or acute cardiac infarction.

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