(R)-methyl 1-(((2-chloro-5-nitropyrimidin-4-yl)(3,3-difluorocyclopentyl)amino)methyl)cyclopropane-carboxylate 在
铁粉 溶剂黄146 、 silica gel 、
methanol-dichloromethane 、
甲醇 作用下,
以
溶剂黄146 为溶剂,
反应 2.0h,
以to afford the desired compound as a light pink solid (1.953 g, 60% yield)的产率得到(R)-2'-chloro-9'-(3,3-difluorocyclopentyl)-8',9'-dihydrospiro[cyclopropane-1,7'-pyrimido[4,5-b] [1,4]diazepin]-6'(5'H)-one