Beccaridiol, an unusual 28-nortriterpenoid from the leaves of Diplectria beccariana.
@article{Jang2006BeccaridiolAU, title={Beccaridiol, an unusual 28-nortriterpenoid from the leaves of Diplectria beccariana.}, author={Dae Sik Jang and B N Su and Alison D. Pawlus and Young-Hwa Kang and Leonardus B. S. Kardono and Soedarsono Riswan and Johar Juniati Afriastini and Harry H. S. Fong and John M. Pezzuto and A. Douglas Kinghorn}, journal={Phytochemistry}, year={2006}, volume={67 16}, pages={ 1832-7 } }
15 Citations
Three minor novel triterpenoids from the leaves of Diospyros kaki.
- ChemistryChemical & pharmaceutical bulletin
- 2009
Two novel 18, 19-secoursane triterpenoids and 28-nortriterpene from family Ebenaceae were isolated from the leaves of Diospyros kaki.
Triterpenoids from the stems of Schisandra grandiflora and their biological activity
- ChemistryJournal of Asian natural products research
- 2016
One new ursane-type triterpenoid, named granditriol, along with 14 known compounds (2–15), was isolated from the organic extracts of Schisandra grandiflora stems, the first report of 28-nortriterpenoid from the Schisandraceae family.
Chemical Constituents and Anti-inflammatory Principles from the Fruits of Forsythia suspensa.
- ChemistryJournal of natural products
- 2017
The results showed that several compounds displayed significant inhibition of fMLP/CB-induced superoxide anion generation and elastase release, with IC50 values ranging from 0.6 ± 0.1 to 8.3 ± 1.1 μg/mL, respectively.
A new triterpenoid from the fruits of Gardenia jasminoides var. radicans Makino
- ChemistryNatural product research
- 2015
A novel triterpenoid isolated from the fruits of Gardenia jasminoides var.
Cecropia pachystachya Trécul: identification, isolation of secondary metabolites, in silico study of toxicological evaluation and interaction with the enzymes 5-LOX and α-1-antitrypsin.
- BiologyJournal of toxicology and environmental health. Part A
- 2022
The findings demonstrated a diverse range of secondary metabolites isolated from C. pachystachya that showed relevant interactions with the enzymes 5-LOX and α-1-antitrypsin and may be employed in in vivo experimental studies as a form of alternative treatment for chronic lung diseases.
Microbial Transformations of 7-Methoxyflavanone
- Biology, ChemistryMolecules
- 2012
DPPH scavenging activity test proved that all the biotransformations products have higher antioxidant activity that the substrate.
Minor Nortriterpenoids from the Twigs and Leaves of Rhododendron latoucheae.
- Medicine, ChemistryJournal of natural products
- 2018
Application of this hyphenated NMR technique to the CH2Cl2-soluble fraction of Rhododendron latoucheae led to the identification of 15 new minor ursane-type 28-nortriterpenoids in complex mixtures.
References
SHOWING 1-10 OF 27 REFERENCES
Dihydrochalcones from the leaves of Pieris japonica.
- ChemistryJournal of natural products
- 2005
Six new dihydrochalcones were isolated from the leaves of Pieris japonica and their structures were elucidated on the basis of spectroscopic analysis including HMQC, HMBC, NOESY, and X-ray crystal diffraction.
Activity-guided isolation of constituents of Renealmia nicolaioides with the potential to induce the phase II enzyme quinone reductase.
- Chemistry, BiologyJournal of natural products
- 2002
Three new prenylated dihydrochalcones, (+/-)-nicolaioidesins A, B, and C (1-3), as well as a new natural product, 5-styrylfuran-2-carboxylic acid methyl ester (4), along with four known compounds,…
Activity-guided isolation of constituents of Tephrosia purpurea with the potential to induce the phase II enzyme, quinone reductase.
- ChemistryJournal of natural products
- 1997
Three inactive compounds of known structure, 3'-methoxydaidzein, desmoxyphyllin B, and 3,9-dihydroxy-8-methoxycoumestan, were isolated and identified and the structure elucidation of compounds 1 and 2 was carried out by spectral data interpretation.
A new ursane triterpene from Monochaetum vulcanicum that inhibits DNA polymerase beta lyase.
- Chemistry, BiologyJournal of natural products
- 2004
Bioassay-directed fractionation of a butanone extract of Monochaetum vulcanicum resulted in the isolation of a new triterpene and four known compounds, ursolic acid, which exhibited polymerase beta lyase activity.
Activity-guided isolation of the chemical constituents of Muntingia calabura using a quinone reductase induction assay.
- ChemistryPhytochemistry
- 2003
Cytotoxic triterpenes from a Chinese medicine, Goreishi.
- ChemistryChemical & pharmaceutical bulletin
- 1989
Six additional compounds having no cytotoxic activity were isolated and a new triterpene, 3-O-trans-p-coumaroyltormentic acid, was established on the basis of X-nucleus-proton correlation with fixed evolution time (XCORFE) and other spectroscopic evidence.
Induction of quinone reductase by withanolides.
- Biology, ChemistryJournal of natural products
- 2002
Thirty-seven naturally occurring withanolides were evaluated for their potential to induce quinone reductase with cultured murine hepatoma cells and Spiranoid and 18-functionalized withanolide were found to be potent inducers of the enzyme, while 5alpha-substituted derivatives exhibited weak activity.
Natural inhibitors of carcinogenesis.
- Chemistry, BiologyPlanta medica
- 2004
Based on this large pool of potential cancer chemopreventive compounds, structure-activity relationships are discussed in terms of the quinone reductase induction ability of flavonoids and withanolides and the cyclooxygenase-1 and -2 inhibitory activities of flavanones, flavones and stilbenoids.