Substituted thiezolidinedione derivative, process for its preparation and pharmaceutical use

Substituted thiezolidinedione derivative, process for its preparation and pharmaceutical use

  • CN 1,285,831 A
  • Filed: 12/14/1998
  • Published: 02/28/2001
  • Est. Priority Date: 12/16/1997
  • Status: Abandoned Application
First Claim
Patent Images

1. (1.5-[4-[2-N-methyl-N-(2-pyridyl) amino) oxyethyl group] benzyl] thiazolidine-2, the 4-diketone, the hydrate of maleate is characterized in that:

  • (ⅰ

    ) contain the water of 0.3~

    0.6 molar equivalent (molar equivalents);

    With(ⅱ

    ) provide and contain 1757,1331,1290,1211 and 767cm -1The infrared spectra at peak, place;

    And/or (ⅲ

    ) provide and contain 1758,1610,1394,1316 and 1289 cm -1Raman (Raman) spectrum at peak, place;

    And/or (ⅳ

    ) provide the solid state nmr that contains basic as the listed chemical shift of table 1 to compose;

    And/or(ⅴ

    ) provide basic X-ray powder diffraction (XRPD) pattern shown in the figure IV.

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