N-[(3R,6S)-6-(2,3-二氟苯基)六氢-2-氧代-1-(2,2,2-三氟乙基)-1H-氮杂卓-3-基]-4-(2,3-二氢-2-氧代-1H-咪唑并[4,5-b]吡啶-1-基)-1-哌啶甲酰胺 、
乙醇 在
potassium tert-butylate 作用下,
以78%的产率得到N-[(3R,6S)-6-(2,3-difluorophenyl)-2-oxo-1-(2,2,2-trifluoroethyl)azepan-3-yl]-4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-d]pyridin-1-yl)piperidine-1-carboxamide potassium salt ethanolate