Synthesis of J-113397, the first potent and selective ORL1 antagonist

  • Kawamoto H
  • Nakashima H
  • Kato T
 et al. 
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The first potent and selective small molecule ORL1 antagonist 1-[(3R,4R)-1-cyclooctylmethyl-3-hydroxymethyl-4-piperidyl]-3-ethyl-1,3-dih ydro-2H-benzimidazol-2-one (J-113397) was synthesized. J-113397 is the only available potent and selective ORL1 antagonist, which is a very useful pharmacological tool for elucidating the physiological roles of the nociceptin-ORL1 system. J-113397 was synthesized from ethyl 4-oxo-3-piperidinecarboxylate and a coupling reaction of 2-fluorobenzene with 4-amino-ethoxycarbonylpiperidine is a key step. © 2001 Elsevier Science Ltd.

Author-supplied keywords

  • Biologically active compounds
  • Coupling reactions
  • ORL1 receptors

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  • Hiroshi Kawamoto

  • Hiroshi Nakashima

  • Tetsuya Kato

  • Sachie Arai

  • Kenji Kamata

  • Yoshikazu Iwasawa

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