tert-butyl 4-[[2-[4-(4-chloro-2-methylphenyl)-5-(5-chloro-2-methylphenyl)-6-oxo-3-propan-2-yl-4H-pyrrolo[3,4-c]pyrazol-2-yl]acetyl]amino]piperidine-1-carboxylate 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.5h,
以47 mg的产率得到2-[4-(4-chloro-2-methyl-phenyl)-5-(5-chloro-2-methyl-phenyl)-3-isopropyl-6-oxo-5,6-dihydro-4H-pyrrolo[3,4-c]pyrazol-2-yl]-N-piperidin-4-yl-acetamide