(8R)-4-amino-6-(4-(2-hydroxypropan-2-yl)phenyl)-8-methyl-7,8-dihydropyrimido[5,4-f][1,4]oxazepin-5(6H)-one 在
[双(2-甲氧基乙基)胺]三氟化硫 作用下,
以
二氯甲烷 为溶剂,
以10%的产率得到(8R)-4-amino-6-[4-(1-fluoro-1-methylethyl)phenyl]-8-methyl-7,8-dihydropyrimido[5,4-f][1,4]oxazepin-5(6H)-one