作者:Qiao-Qin Huang、Jun-Long Bi、Qian-Yun Sun、Fu-Mei Yang、Yue-Hu Wang、Gui-Hua Tang、Fu-Wei Zhao、Huan Wang、Jin-Jin Xu、Edward Kennelly、Chun-Lin Long、Ge-Fen Yin
DOI:10.1055/s-0031-1280126
日期:2012.1
Twelve isoquinoline alkaloids including two new nitro-containing tetrahydroprotoberberines, (-)-2,9-dihydroxyl-3,11-dimethoxy-1,10-dinitrotetrahydroprotoberberine (1) and (+)-4-nitroisoapocavidine (2), were isolated from the whole plant of Corydalis saxicola Bunting. The structures of the new compounds were established by spectroscopic analysis and chemical evidence. The inhibitory activity of these
12 种异喹啉生物碱,包括两种新的含硝基四氢原小檗碱,(-)-2,9-dihydroxyl-3,11-dimethoxy-1,10-dinitrotetrahydroprotoberberine (1) 和 (+)-4-nitroisoapocavidine (2),从Corydalis saxicola Bunting 的全株。新化合物的结构是通过光谱分析和化学证据确定的。评估了这些分离株对胆碱酯酶和犬细小病毒的抑制活性。化合物 1 和 1A、(+)-1-nitroapocavidine (5)、小檗碱 (8)、palmatine (9)、dehydrocavidine (10) 和 sanguinarine (11) 对乙酰胆碱酯酶显示出有效的抑制活性,IC(50) 值较小小于 10 µM,而只有化合物 1 对犬细小病毒的活性较弱。