Polymorphic of deuterated dehydrophenylahistin class compound and its preparation method and application

Polymorphic of deuterated dehydrophenylahistin class compound and its preparation method and application

  • CN 107,778,297 A
  • Filed: 08/12/2016
  • Published: 03/09/2018
  • Est. Priority Date: 08/12/2016
  • Status: Active Application
First Claim
Patent Images

1. such as formula(



  • Shown (3Z, 6Z) -3- benzylidenes -6- ((the 5- tert-butyl group -1H- imidazol-4 yls) deuterated methylene) piperazineThe alpha-crystal form of piperazine -2,5- diketone, it is characterised in that in X-ray powder diffraction spectrogram, 2 θ

    angle of diffraction characteristic absorption peaks have 8.415 °

    ,11.512 °

    , 12.271 °

    , 13.126 °

    , 13.618 °

    , 14.824 °

    , 16.011 °

    , 16.282 °

    , 17.287 °

    , 17.278 °

    ,17.608 °

    , 18.134 °

    , 18.408 °

    , 19.461 °

    , 19.735 °

    , 20.745 °

    , 21.350 °

    , 22.344 °

    , 23.198 °

    ,24.874 °

    , 25.168 °

    , 26.997 °

    , 27.621 °

    , 28.479,2 θ

    diffraction angle errors are ±

    0.2 °



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