Crystalline forms of an androgen receptor modulator

Crystalline forms of an androgen receptor modulator

  • CN 104,619,692 A
  • Filed: 06/04/2013
  • Published: 05/13/2015
  • Est. Priority Date: 06/07/2012
  • Status: Active Application
First Claim
Patent Images

1. the crystal form A of 4-[7-(6-cyano group-5-5-flumethiazine-3-base) pungent-5-base of-8-oxo-6-sulfo--5,7-diaza spiro [3.4]]-2-fluoro-N-methyl-benzamide, is characterized in that:

  • A () X-ray powder diffraction (XRPD) pattern is substantially the same with shown in Fig. 1;

    B () X-ray powder diffraction (XRPD) pattern has characteristic peak at 4.8 ±

    0.1 °

    of 2-θ

    , 7.1 ±

    0.1 °

    of 2-θ

    , 14.2 ±

    0.1 °

    of 2-θ

    , 16.3 ±

    0.1 °

    of 2-θ

    , 20.1 ±

    0.1 °

    of 2-θ

    places;

    C () unit cell parameters at-173 DEG C is substantially equal to following;

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