Crystalline forms of (-)-(1r,2r)-3-(3-dimethylamino-1-ethyl-2-methylpropyl)-phenol hydrochloride

Crystalline forms of (-)-(1r,2r)-3-(3-dimethylamino-1-ethyl-2-methylpropyl)-phenol hydrochloride

CN
  • CN 1,997,621 A
  • Filed: 06/27/2005
  • Published: 07/11/2007
  • Est. Priority Date: 06/28/2004
  • Status: Active Grant
First Claim
Patent Images

1. (-)-(1R, 2R)-crystal form A of 3-(3-dimethylamino-1-ethyl-2-methyl-propyl)-phenolate hydrochlorate, when using Cu L α

  • During radiation measurement, it is displayed at least 15.1 ±

    0.2,16.0 ±

    0.2,18.9 ±

    0.2,20.4 ±

    0.2,22.5 ±

    0.2,27.3 ±

    0.2,29.3 ±

    0.2 and 30.4 ±

    0.2 X-ray spectral line (2 θ

    value) in powder diagram.

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