The present invention relates to a process for producing N-(1S)-1-[2-(1-[(3S,4R)-1-tert-butyl-4-(2,4-difluorophenyl)pyrrolidin-3-yl]carbonyl}piperidin-4-yl)-5-chlorophenyl]ethyl}acetamide, and novel crystalline salts, hydrates, solvates, and polymorphic forms thereof.
                            本发明涉及一种制备N-(1S)-1-[2-(1-[(3S,4R)-1-叔丁基-4-(2,4-二
氟苯基)
吡咯烷-3-基]羰基}
哌啶-4-基)-5-
氯苯基]乙基}乙酰胺和其新的结晶盐、
水合物、溶剂化合物和多晶形式的过程。