2-[8-(1,1-dimethyl-2-oxo-ethyl)-5-oxo-2,3-dihydro-5H-benzo[f][1,4]oxazepin-4-yl]-6-[5-(5-methanesulfonyl-pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydro-pyridazin-3-yl]-benzaldehyde 、
硼氢化钠 在
ice 、 silica 、
二氯甲烷 、 Brine 、
乙酸乙酯 、
正己烷 作用下,
以
甲醇 、
二氯甲烷 、
乙酸乙酯 、
水 为溶剂,
反应 0.17h,
以to get 8-(2-hydroxy-1,1-dimethyl-ethyl)-4-{2-hydroxymethyl-3-[5-(5-methanesulfonyl-pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydro-pyridazin-3-yl]-phenyl}-3,4-dihydro-2H-benzo[f][1,4]oxazepin-5-one (2 g, 79.39%) as off white solid的产率得到8-(2-hydroxy-1,1-dimethyl-ethyl)-4-{2-hydroxymethyl-3-[5-(5-methanesulfonyl-pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydro-pyridazin-3-yl]-phenyl}-3,4-dihydro-2H-benzo[f][1,4]oxazepin-5-one