Disclosed is an efficient synthesis for the manufacture of the caprolactam intermediate (3R,6S)-3-amino-6-(2,3-difluorophenyl)-1-(2,2,2-trifluoroethyl)azepan-2-one: Formula and salts thereof, and an efficient preparation of telcagepant using the caprolactam intermediate.
本文揭示了一种用于制造己内酰胺中间体(3R,6S)-3-
氨基-6-(2,3-二
氟苯基)-1-(
2,2,2-三氟乙基)氮杂七元酮的高效合成方法:其分子式及盐类,以及使用己内酰胺中间体进行特尔卡格帕坦的高效制备方法。