Enantiomerically pure opioid diarylmethylpiperzine and methods of using same

Enantiomerically pure opioid diarylmethylpiperzine and methods of using same

  • CN 1,558,765 B
  • Filed: 09/25/2002
  • Issued: 01/04/2012
  • Est. Priority Date: 09/25/2001
  • Status: Active Grant
First Claim
Patent Images

1. Pure following formula:

  • compound (-) 3-((S)-((2S, 5R)-4-pi-allyl-2,5-dimethyl-1-piperazinyl) (3-thienyl) methyl) phenol or acceptable ester of its pharmacy or salt;

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