Abstract
Two new isoquinolines (1 and 3), along with 4 known isoquinolines were obtained from the ethanol extract of Corydalis saxicola Bunting. Their structures were elucidated based on detailed spectroscopic data (NMR, HR-ESIMS) and comparison with literature data. The absolute configurations of the new compounds were assigned by comparing computed electronic circular dichroism (ECD). The anti-inflammatory effects of the isolates were assessed by inhibiting NO production in LPS-induced RAW264.7 macrophage cells, and the results showed that compounds 1–6 exhibited anti-inflammatory activities, with IC50 values ranged from 44.24 ± 1.16 to 69.00 ± 5.41 µM.
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