Isoquinolines from national herb Corydalis tomentella and neuroprotective effect against lipopolysaccharide-induced BV2 microglia cells

Isoquinolines from national herb Corydalis tomentella and neuroprotective effect against lipopolysaccharide-induced BV2 microglia cells Two new isoquinolines from Corydalis saxicola Isoquinolines from Corydalis tomentella from Tibet, China, possess hepatoprotective activities (+)- and (–)-Corydecumbenines A and B, two pairs of novel quaternary protoberberine alkaloid cycloadduct enantiomers with anti-neuroinflammatory and neuroprotective activities from the rhizomes of Corydalis decumbens Isoquinoline alkaloids from the Corydalis tomentella with potential anti-hepatoma and antibacterial activities Hexahydrobenzophenanthridine alkaloids from Corydalis bungeana Turcz. and their anti-inflammatory activity Four new spirobenzylisoquinoline N-oxide alkaloids from the whole plant of Corydalis hendersonii Hendersine A, a novel isoquinoline alkaloid from Corydalis hendersonii Cytotoxic isoquinoline alkaloids from the aerial parts ofCorydalis incisa Targeted isolation, structural characterization and cytotoxicity evaluation of isoquinoline alkaloids from Corydalis saxicola