This application discloses a novel process to synthesize 8-[1-(3,5-Bis-(trifluoromethyl)phenyl)-ethoxy}-methyl]-8-phenyl-1,7-diaza-spiro[4.5]decan-2-one compounds, which may be used, for example, as NK-1 inhibitor compounds in pharmaceutical preparations, intermediates useful in said process, and processes for preparing said intermediates; also disclosed is a process for removal of metals from N-heterocyclic carbine metal complexes.
本申请公开了一种新型合成8-[1-(3,5-双(三
氟甲基)苯基)-乙氧基}-甲基]-8-苯基-1,7-二氮杂螺[4.5]癸-2-酮化合物的方法,该化合物可以用作制药制剂中的NK-1
抑制剂化合物,还公开了在该过程中有用的中间体和制备该中间体的方法;此外,还公开了一种从N-杂环卡宾
金属配合物中去除
金属的方法。