Claims for Patent: 4,910,214

Summary for Patent: 4,910,214

Title:	Optical isomer of an imidazole derivative medetomidine as an alpha-2-receptor agonist
Abstract:	The separated d and l enantiomers of medetomidine and their salts are selective and potent .alpha..sub.2 -receptor agonists.
Inventor(s):	Karjalainen; Arto J. (Oulu, FI), Virtanen; Raimo E. (Rusko, FI), Savolainen; Eino J. (Oulu, FI)
Assignee:	Farmos Yhtyma Oy (Turku, FI)
Application Number:	07/219,637
Patent Claims:	1. The d enantiomer of medetomidine or a non-toxic pharmaceutically acceptable acid addition salt thereof. 2. A pharmaceutical composition suitable for use in a method of sedation/analgesia or treatment of anxiety or hypertension comprising the d-enantiomer of medetomidine or a non-toxic pharmaceutically acceptable acid addition salt thereof in an amount sufficient to produce the desired effect in association with a pharmaceutical carrier. 3. A method of sedation/analgesia or treatment of anxiety or hypertension by administration to a subject of an effective amount of an enantiomer according to claim 1. 4. A method of sedation/analgesia or treatment of anxiety or hypertension by administration to a subject of an effective amount of a composition according to claim 2.