The present invention is directed to compositions, methods of use, and processes for the synthesis related to 3-((S)-1-(dimethylamino)ethyl)phenyl methyl-((R)-1-phenylpropan-2 yl)carbamate, and its pharmaceutically acceptable salt forms, including the hydrogen fumarate salt. The present invention also relates to a novel form polymorph of 3-((S)-1-(dimethylamino)ethyl)phenylmethyl-((R)-1-phenylpropan-2 yl)carbamate, characterized by a unique X-ray diffraction pattern and Differential Scanning Calorimetry profile, as well a unique crystalline structure.
本发明涉及与3-((S)-1-(二甲基
氨基)乙基)苯基甲基-((R)-1-苯基
丙烷-2基)
氨基甲酸酯及其药用可接受盐形式相关的合成的组合物、使用方法和过程,包括
富马酸盐。本发明还涉及3-((S)-1-(二甲基
氨基)乙基)苯基甲基-((R)-1-苯基
丙烷-2基)
氨基甲酸酯的新型形态多晶形态,其具有独特的X射线衍射图案和差示扫描量热分析剖面,以及独特的晶体结构。