Results 41 to 50 of about 32,676 (309)

Anthraquinones fromCassia greggii

open access: yesPhytochemistry, 1992
4 pages, 1 table, 1 scheme. The dichloromethane extract of the roots ofCassia greggii afforded seven new anthraquinones: 5-hydroxy-1,4,6,7-tetramethoxy-2-methylanthraquinone, 1,5,7-trihydroxy-4,6-dimethoxy-2-methylanthraquinone, 5,6-dihydroxy-1,4,7-trimethoxy-2-methylanthraquinone, 1-hydroxy-4,7-dimethoxy-5,6-methylenedioxy-2-methylanthraquinone, 5,7 ...
González, Antonio G.   +4 more
openaire   +2 more sources

2,6-Dimethoxy-9,10-anthraquinone [PDF]

open access: yesActa Crystallographica Section E Structure Reports Online, 2012
The title compound, C(16)H(12)O(4), crystallizes with two half-mol-ecules in the asymmetric unit, each of which is completed by a crystallographic inversion center. The two crystallographically independent mol-ecules have almost the same geometry and are almost planar [maximum deviations = 0.018 (3) and 0.049 (3) Å].
Akira Ohta   +5 more
openaire   +3 more sources

Anthraquinones as Inhibitors of SOS RAS-GEF Activity

open access: yesBiomolecules, 2021
Recent breakthroughs have reignited interest in RAS GEFs as direct therapeutic targets. To search for new inhibitors of SOS GEF activity, a repository of known/approved compounds (NIH-NACTS) and a library of new marine compounds (Biomar Microbial ...
Alberto Fernández-Medarde   +6 more
doaj   +1 more source

Prevention of Protein Glycation by Natural Compounds [PDF]

open access: yes, 2015
Non-enzymatic protein glycosylation (glycation) contributes to many diseases and aging of organisms. It can be expected that inhibition of glycation may prolong the lifespan.
Bartosz, Grzegorz   +1 more
core   +2 more sources

Constituintes químicos do caule de Senna reticulata Willd. (Leguminoseae): Chemical constituents isolated from the wood of Senna reticulata Willd.

open access: yesQuímica Nova, 2008
The phytochemical investigation of the wood extracts of Senna reticulata (Leguminoseae) yielded six anthraquinones: chrysophanol, physcion, aloe-emodin, 1,3,8-trihydroxyanthraquinone, 3-methoxy-1,6,8-trihydroxyanthraquinone, emodin and the chrysophanol ...
Rogério Nunes dos Santos   +2 more
doaj   +1 more source

Photochemotherapy using natural anthraquinones: rubiadin and Soranjidiol sensitize human cancer cell to die by apoptosis [PDF]

open access: yes, 2014
Over the past decade the science has studied synthetic photosensitizers used in photodynamic therapy (PDT) or photochemotherapy as anticancer candidates.
Agostini, Elizabeth   +6 more
core   +1 more source

Chemical Diversity and Biological Activities of Phaeosphaeria Fungi Genus: A Systematic Review

open access: yesJournal of Fungi, 2018
Microbial natural products (MNPs) have been identified as important hotspots and effective sources for drug lead discovery. The genus Phaeosphaeria (family: Phaeosphaeriaceae, order: Pleosporales), in particular, has produced divergent chemical ...
Amr El-Demerdash
doaj   +1 more source

Role of anthraquinones in combating insulin resistance

open access: yesFrontiers in Pharmacology, 2023
Insulin resistance presents a formidable public health challenge that is intricately linked to the onset and progression of various chronic ailments, including diabetes, cardiovascular disease, hypertension, metabolic syndrome, nonalcoholic fatty liver ...
Wanru Xia   +8 more
doaj   +1 more source

Estudo químico de duas plantas medicinais da amazônia: Philodendron scabrum k. Krause (araceae) e Vatairea guianensis aubl. (fabaceae) Chemical study of two Amazonian medicinal plants: Philodendron scabrum K. Krause (Araceae) and Vatairea guianensis Aubl. (Fabaceae)

open access: yesActa Amazonica, 2011
Este trabalho relata o estudo químico de duas plantas medicinais da Amazônia: Philodendron scabrum K. krause (Araceae) e Vatairea guianensis Aubl. (Fabaceae). As composições dos óleos essenciais dos cipós de P. scabrum e dos frutos de V.
Ivonei Ottobelli   +6 more
doaj   +1 more source

HPTLC-DESI-HRMS-Based Profiling of Anthraquinones in Complex Mixtures—A Proof-of-Concept Study Using Crude Extracts of Chilean Mushrooms

open access: yesFoods, 2020
High-performance thin-layer chromatography (HPTLC) coupled with negative ion desorption electrospray ionization high-resolution mass spectrometry (DESI-HRMS) was used for the analysis of anthraquinones in complex crude extracts of Chilean dermocyboid ...
Annegret Laub   +5 more
doaj   +1 more source

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