10-bromo-N3-tetrahydropyran-4-yl-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2,3-dicarboxamide 、
(R)-3-ethynyl-3-hydroxy-1-methylpiperidin-2-one 以to afford 22 mg (25.3%) of 10-[2-[(3R)-3-hydroxy-1-methyl-2-oxo-3-piperidyl]ethynyl]-N3-tetrahydropyran-4-yl-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2,3-dicarboxamide的产率得到10-[2-[(3R)-3-hydroxy-1-methyl-2-oxo-3-piperidyl]ethynyl]-N3-tetrahydropyran-4-yl-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2,3-dicarboxamide