ethyl 4-(4-(4-(tert-butoxycarbonyl)piperazin-1-yl)phenyl)-3-(thiophen-2-yl)-6-(2,3,6-trifluorophenyl)-4,7-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylate 在
氧化锰 silica 作用下,
以
二氯甲烷 为溶剂,
反应 20.08h,
以to yield 254 mg (85%) of ethyl 4-(4-(4-(tert-butoxycarbonyl)piperazin-1-yl)phenyl)-3-(thiophen-2-yl)-6-(2,3,6-trifluorophenyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxylate in the form of a yellow solid的产率得到ethyl 4-(4-(4-(tert-butoxycarbonyl)piperazin-1-yl)phenyl)-3-(thiophen-2-yl)-6-(2,3,6-trifluorophenyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxylate