6-chloro-4-cyclopropyl-3,4-dihydro-3-methyl-1-(4-methoxybenzyl)-4-(3-(tetrahydropyran-2-yl)oxy-1-propynyl) quinazolin-2(1H)-one 在
4-甲基苯磺酸吡啶 作用下,
以
乙醇 为溶剂,
生成
6-chloro-4-cyclopropyl-3,4-dihydro-3-methyl-1-(4-methoxybenzyl)-4-(3-hydroxy-1-propynyl)quinazolin-2(1H)-one