tert-butyl 4-((5R,7R)-5-methyl-7-(4-nitrobenzoyloxy)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)azepane-1-carboxylate 在
盐酸 作用下,
以
1,4-二氧六环 、
二氯甲烷 为溶剂,
反应 4.0h,
以94%的产率得到(5R,7R)-4-(1,4-diazepan-1-yl)-5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-7-yl 4-nitrobenzoate hydrochloride