Patent · US Expired

Methods for treating central and peripheral nerve pain

US5985933A · kind A · utility

7Cited by
1References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 24, 1997
Grant dateNov 16, 1999
Priority date
Expiry dateJan 24, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07B2200/07
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Methods of treating painful neuropathies are provided comprising administering compounds comprising the (S)-isomer of chiral compounds having the formula: ##STR1## wherein R1 is C1-C5 hydrocarbyl, R2 and R3 are independently C1-C5 hydrocarbyl or H, R4 is C1-C5 hydrocarbyl, R3 and R4 may optionally be joined together to form a 5, 6 or 7 membered ring system, or a pharmaceutically acceptable salt thereof, substantially free of the (R)-isomer.

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