申请人:Vetcare Oy
公开号:US20160168163A1
公开(公告)日:2016-06-16
The present invention relates to a process for the manufacture of N-(2-((2R,12bS)-2′-oxo-1,3,4,6,7,12b-hexahydrospiro[benzofuro[2,3-a]quinolizine-2,4′-imida-zolidine]-3′-yl)ethyl)-methanesulfonamide, where in the process trimethylsilyl cyanide is used.
本发明涉及一种制备N-(2-((2R,12bS)-2′-氧代-1,3,4,6,7,12b-六氢螺[苯并呋喃[2,3-a]喹啉-2,4′-咪唑啉]-3′-基)乙基)-甲烷磺酰胺的方法,其中使用三甲基硅氰。