Alpha crystalline form of perindopril tert-butyllamine salt

Alpha crystalline form of perindopril tert-butyllamine salt

  • CN 1,440,387 A
  • Filed: 07/06/2001
  • Published: 09/03/2003
  • Est. Priority Date: 07/06/2000
  • Status: Active Application
First Claim
Patent Images

1. the formula of alpha crystalline form (I) compound:

  • It is characterized in that the following x-ray diffractogram of powder that it has that use diffractometer (copper anticathode) is measured and expresses with spacing d, Bragg angle 2 θ

    , intensity and relative intensity (to express with respect to the percentage ratio of strong ray);

    2 θ

    angles (°

    )Spacing d ()IntensityRelative intensity (%) ????7.680 ????11.50 ????390 ????8.8 ????8.144 ????10.85 ????230 ????5.2 ????9.037 ????9.78 ????4410 ????100 ????10.947 ????8.08 ????182 ????4.1 ????13.150 ????6.73 ????82 ????1.9 ????13.687 ????6.46 ????83 ????1.9 ????14.627 ????6.05 ????582 ????13.2 ????15.412 ????5.74 ????770 ????17.5 ????16.573 ????5.34 ????1115 ????25.3 ????17.357 ????5.10 ????340 ????7.7 ????18.109 ????4.89 ????193 ????4.4 ????19.922 ????4.45 ????306 ????6.9 ????20.609 ????4.31 ????375 ????8.5 ????21.412 ????4.15 ????226 ????5.1 ????21.832 ????4.07 ????217 ????4.9 ????22.158 ????4.01 ????483 ????11 ????22.588 ????3.93 ????386 ????8.8 ????23.323 ????3.81 ????107 ????2.4 ????24.200 ????3.67 ????448 ????10.2 ????24.727 ????3.60 ????137 ????3.1 ????25.957 ????3.43 ????125 ????2.8 ????26.932 ????3.31 ????75 ????1.7
    ????27.836 ????3.20 ????197 ????4.5 ????28.966 ????3.08 ????129 ????2.9 ????29.213 ????3.05 ????117 ????2.7

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