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Studies on the constituents of Zizyphi fructus. II. Structure of new p-coumaroylates of maslinic acid.
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1978
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New P-coumaroylateBiosynthesisBioorganic ChemistryBiochemistryNatural SciencesZizyphi FructusMedicineGlycobiologyPhytochemistrySecondary MetaboliteMaslinic AcidPhytochemicalNew P-coumaroylatesChemical BiologyPharmacology3-O-trans-p-coumaroyl Maslinic AcidChromatography
A new p-coumaroylate of maslinic acid was isolated from the fruits of Zizyphus jujuba (Rhamnaceae) together with known triterpenoid acids : betulonic, oleanonic, maslinic and 3-O-trans-p-coumaroyl maslinic acid. The structure of V was characterized to be 3-O-cis-p-coumaroyl maslinic acid on the basis of chemical and spectral evidence.