Journal ArticleDOI
Biarylheptanoids and other constituents from wood of Alnus japonica
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The wood of Alnus japonica has been shown to contain a number of biarylheptanoids as well as other phenolics, including secoisolariciresinol diferulate, which may have biosynthetic significance.About:
This article is published in Phytochemistry.The article was published on 1981-01-01. It has received 72 citations till now.read more
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Cytotoxic triterpenes from the aerial roots of Ficus microcarpa.
TL;DR: Compound 8 and pentacyclic triterpenes 9-15 possessing a carboxylic acid functionality at C-28 showed significant cytotoxic activities against the aforementioned cell lines and gave IC50 values in the range 4.0-9.4 microM.
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Curcuminoid analogs with potent activity against Trypanosoma and Leishmania species
Chatchawan Changtam,Harry P. de Koning,Hasan M. S. Ibrahim,M. Sohail Sajid,Matthew K. Gould,Apichart Suksamrarn +5 more
TL;DR: Curcuminoids carrying a conjugated keto (enone) motif, including 40, were significantly more active against T. b.
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New diarylheptanoids and diarylheptanoid glucosides from the rhizomes of Tacca chantrieri and their cytotoxic activity.
TL;DR: The cytotoxic activities of the isolated compounds and some derivatives against HL-60 human promyelocytic leukemia cells, HSC-2 human oral squamous carcinoma cells, and normal human gingival fibroblasts (HGF) are reported.
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Constituents of Amomum tsao-ko and their radical scavenging and antioxidant activities
TL;DR: In this article, the antioxidant activity of Amomum tsao-ko extracts was evaluated using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and colorimetric and electron spin resonance (ESR) analyses.
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Bioactive constituents and medicinal importance of genus Alnus.
TL;DR: Few members of genus Alnus exhibited antioxidant effects and inhibitory activity against nuclear factor kappaB activation, nitric oxide and tumor necrosis factor-α production, human umbilical vein endothelial cells, farnesyl protein transferase, cell-mediated low-density lipoprotein oxidation, and the HIV-1-induced cytopathic effect in MT-4 cells.
References
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Stereochemistry and mechanism of ketone reductions by hydride reagents
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Reaktionen mit Phosphin‐alkylenen, II. C‐Acylierung von Phosphin‐alkylenen. Ein neuer Weg zur Synthese von Ketonen
TL;DR: In this paper, the entstehenden acylierten Phosphin-alkylene sind auf verschiedene Weise zu Ketonen spaltbar und ergeben durch Wittig-Reaktion with Aldehyden α-verzweigte α.β-ungesattigte Ketone.
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Nickel-promoted synthesis of cyclic biphenyls. Total synthesis of alnusone dimethyl ether
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Diarylheptanoids of Centrolobium species
TL;DR: The heartwoods of two Centrolobium species (Leguminosae) were examined and C. robustum Mart.
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Chemical Constituents of Alnus firma (BETULACEAE). I. Phenyl Propane Derivatives Isolated from Alnus firma
TL;DR: In this article, two new hydroxyketones, named yashabushiketol (I) and dihydroyhashabushkettol (II), were identified on the basis of the chemical and spectral data.