Search results for "Polyalthia cerasoides"

showing 3 items of 3 documents

Polyalthidin:  New Prenylated Benzopyran Inhibitor of the Mammalian Mitochondrial Respiratory Chain

1996

Polyalthidin (3), a new benzopyran derivative, was isolated from the stem bark of Polyalthia cerasoides. Its structure was established on the basis of chemical and spectral evidence. Polyalthidin has showed potent biological activity as an inhibitor of the mammalian mitochondrial respiratory chain.

Magnetic Resonance SpectroscopyStereochemistryRespiratory chainPharmaceutical ScienceMitochondrionMitochondria HeartPlant EpidermisAnalytical Chemistrychemistry.chemical_compoundDrug DiscoveryAnimalsHumansBenzopyransNADH NADPH OxidoreductasesEnzyme InhibitorsPharmacologychemistry.chemical_classificationPlants MedicinalbiologyOrganic ChemistryBiological activityMitochondriaBenzopyranEnzymeMitochondrial respiratory chainComplementary and alternative medicinechemistryBiochemistryEnzyme inhibitorFatty Acids Unsaturatedbiology.proteinMolecular MedicinePolyalthia cerasoidesCattleSpectrophotometry UltravioletJournal of Natural Products
researchProduct

Cerasodine and Cerasonine:  New Oxoprotoberberine Alkaloids from Polyalthia cerasoides

1997

Two new 7,8-dihydro-8-oxoprotoberberine alkaloids, cerasodine (1) and cerasonine (2), were isolated from the stem bark of Polyalthia cerasoides (Annonaceae).

PharmacologyStem barkbiologyChemistryOrganic ChemistryPharmaceutical ScienceCerasoninebiology.organism_classificationAnalytical ChemistryComplementary and alternative medicineAnnonaceaevisual_artDrug DiscoveryBotanyvisual_art.visual_art_mediumMolecular MedicinePolyalthia cerasoidesBarkJournal of Natural Products
researchProduct

Prenylated benzopyran derivatives from two Polyalthia species

1996

Two new benzopyran derivatives, (6E,10E)-isopolycerasoidol and polycerasoidin methyl ester, have been isolated from a methanolic extract of the stem bark of Polyalthia cerasoides. Their structures were established on the basis of chemical and spectral evidence. Polyalthia sclerophylla contains (6E,10E)-isopolycerasoidol, besides the known polycerasoidin and polycerasoidol. In addition, a known phenylpropene derivative, trans-asarone, has also been isolated from both species and fully characterized.

biologyPolyalthia sclerophyllaStereochemistryPolyalthiaPlant ScienceGeneral MedicineHorticulturebiology.organism_classificationBiochemistryBenzopyranchemistry.chemical_compoundchemistryPrenylationAnnonaceaevisual_artvisual_art.visual_art_mediumOrganic chemistryPolyalthia cerasoidesBarkPhenylpropeneMolecular BiologyPhytochemistry
researchProduct