tert-butyl 4-({[4-(5-chloro-2-cyanophenyl)-2,5-dioxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridin-1-yl]acetyl}amino)benzoate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以55 %的产率得到4-({[4-(5-chloro-2-cyanophenyl)-2,5-dioxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridin-1-yl]acetyl}amino)benzoic acid