Patent ID: 6346603
Filing Date: 2002-02-12
Classification: C07D

Abstract:
Crystal (I) of depsipeptide derivative (IV) represented by the following formula: characterized in that the crystal (I) has an endothermic peak substantially at 155Â° C. by differential thermal analysis and substantially has the powdery X-ray diffraction characteristic properties described in Table 1:TABLE 1Relative2&thgr;Inten-2&thgr;Relative2&thgr;Relative2&thgr;RelativevaluesityvalueIntensityvalueIntensityvalueIntensity(Â°)(%)(Â°)(%)(Â°)(%)(Â°)(%)5.67100.013.1519.5219.8615.1826.482.336.460.4114.568.8320.1910.1926.931.227.361.0115.0142.5920.476.8127.665.247.923.1215.4461.3320.847.0328.034.708.745.33915.9726.8421.628.8328.602.659.349.9416.8016.1322.156.7129.451.2610.3510.3217.0710.8422.527.3529.771.6011.2729.3917.552.3923.041.5530.611.0511.3925.8118.3319.3423.755.8131.941.3611.885.5218.967.7925.054.0312.695.2419.423.8726.071.40.