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Bioorg Med Chem Lett. 2010 Jan 1;20(1):121-4. doi: 10.1016/j.bmcl.2009.11.027. Epub 2009 Nov 13.

Drug design and synthesis of a novel kappa opioid receptor agonist with an oxabicyclo[2.2.2]octane skeleton and its pharmacology.

Author information

1
School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan. nagaseh@pharm.kitasato-u.ac.jp

Abstract

A conformational analysis of kappa opioid receptor agonists, TRK-820 and U-50,488H indicated an active conformation of TRK-820 in which the C-ring was in the boat form with the 14-OH interacting with the amide nitrogen. Based on the obtained active conformation of TRK-820, we designed and synthesized a novel kappa agonist KNT-63 with oxabicyclo[2.2.2]octane skeleton. KNT-63 showed profound antinociceptive effects via the kappa receptor which were as potent as that of TRK-820.

PMID:
19962305
DOI:
10.1016/j.bmcl.2009.11.027
[Indexed for MEDLINE]

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