| 摘要 |
The present invention relates to novel crystalline forms of ingenol ingenol-3-angelate and methods of preparation and use thereof. More specifically, the invention relates to a novel crystalline form and purified forms of the compound of Formula 1 (ingenol-3-mebutate; ingenol-3-angelate; isoform ‘b’; PEP005), which is characterized by, for example, attenuated total reflectance Fourier transform infrared (FTIR-ATR) spectroscopy, single crystal X-Ray crystallography (XRC), X-ray powder diffraction, and, Differential Scanning Calorimetry (DSC), and methods of preparation and use thereof. |
