(S)-2-(1,1,1-trifluoro-2-methylpropan-2-yl)-5,6,7,8-tetrahydroquinoline-6-carboxylic acid 、 (R)-1-(6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-3-yl)ethanamine dihydrochloride 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 2.0h,
以53%的产率得到(S)-N-((R)-1-(6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-3-yl)ethyl)-2-(1,1,1-trifluoro-2-methylpropan-2-yl)-5,6,7,8-tetrahydroquinoline-6-carboxamide