Acetic acid (S)-6,7-dimethoxy-1-[2-(1-oxo-4-pyrimidin-5-yl-1H-phthalazin-2-yl)-pyridin-4-yl]-3,4-dihydro-isoquinolin-3-ylmethyl ester 在
lithium hydroxide 作用下,
以
甲醇 为溶剂,
生成 2-[4-[(3S)-3-(hydroxymethyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-1-yl]pyridin-2-yl]-4-pyrimidin-5-ylphthalazin-1-one