Patent · US Expired

Methods of treating muscle spasms using N-desmethylzopiclone

US6458791B1 · kind B1 · utility

2Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 9, 2002
Grant dateOct 1, 2002
Priority date
Expiry dateJan 9, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07B2200/07
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention is directed to compositions comprising, and methods of using, racemic N-desmethylzopiclone, optically pure (+)-N-desmethylzopiclone, and optically pure (−)-N-desmethylzopiclone in the treatment and prevention of diseases and conditions in mammals. The invention is further directed to novel methods of preparing N-desmethylzopiclone, optically pure (+)-N-desmethylzopiclone, and optically pure (−)-N-desmethylzopiclone.

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