1H NMR-guided isolation of hasubanan alkaloids from the alkaloidal extract of Stephania longa
Jiao Xiao, Yingjie Wang, Yanqiu Yang, Jingyu Liu, Bin Lin, Yue Hou, Gang Chen, Ning Li
Topics & Concepts
ChemistryElectrospray ionizationProtonationCircular dichroismTwo-dimensional nuclear magnetic resonance spectroscopyCarbon-13 NMRAlkaloidNuclear magnetic resonance spectroscopyProton NMRTertiary amineStereochemistryMass spectrometryOrganic chemistryChromatographyIonNatural product bioactivities and synthesisChromatography in Natural ProductsBerberine and alkaloids research