盐酸 、 (r)-5-(1-Cyclopropyl-8-difluoromethoxydioxo-1,2,3,4-tetrahydroquinazolin-7-yl)-1-methyl-1,3-dihydro-isoindole-2-carboxylic acid tert-butyl ester 在
hexanes 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 4.25h,
以to afford the title compound (0.022 g, 85%) as a yellow solid, mp 180-185° C.的产率得到1-Cyclopropyl-8-difluoromethoxy-7-((R)-1-methyl-2,3-dihydro-1H-isoindol-5-yl)-1H-quinazoline-2,4-dione hydrochloride