(5aR,9aR)-3-isopropyl-1,4-diphenyl-3,5,5a,6,7,8,9,9a-octahydro-imidazo[1,2-a]quinoxaline 在
tetrafluoroboric acid 作用下,
以
乙醚 为溶剂,
生成 (4S,5aR,9aR)-3-isopropyl-1,4-diphenyl-4,5,5a,6,7,8,9,9a-octahydro-imidazo[1,2-a]quinoxalin-3-ium tetrafluoroborate 、 (4R,5aR,9aR)-3-isopropyl-1,4-diphenyl-4,5,5a,6,7,8,9,9a-octahydro-imidazo[1,2-a]quinoxalin-3-ium tetrafluoroborate