Steroids and Glycosides from Astragalus turczaninowii
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DOI: 10.1007/s10600-017-2005-4
Abstract: In continuation of studies of cycloartane-type triterpenoids from plants of the genus Astragalus, we studied the chemical composition of roots of A. turczaninowii Kar. & Kir. Cycloartane-type compounds exhibit several types of pharmacological activity. Plants… read more here.
Keywords: steroids glycosides; medicine; chemistry; astragalus turczaninowii ... See more keywords
Phenolic Glycosides of Zanthoxylum armatum and Their Chemotaxonomic Significance
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DOI: 10.1007/s10600-018-2582-x
Abstract: The genus Zanthoxylum, belonging to the Rutaceae family, is widely distributed in India, Japan, Korea and Vietnam and lives in low mountain forests or thickets. Zanthoxylum armatum DC. is an important herb in China, and… read more here.
Keywords: zanthoxylum armatum; eluted h2o; phenolic glycosides; toyopearl 40f ... See more keywords
Chemical Constituents of the Petroleum-Ether Fraction from Seeds of Saussurea Involucrata
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DOI: 10.1007/s10600-020-03032-z
Abstract: Saussurea involucrata (Asteraceae) inhabits rocky sites of Xinjiang (China) and the Tian-Shan and Altai mountains at elevations 2400–3470 m above sea level [1]. S. involucrata is used as a traditional medicinal plant with anti-inflammatory, analgesic,… read more here.
Keywords: ether fraction; saussurea involucrata; petroleum; petroleum ether ... See more keywords
Chemical Constituents of Scabiosa georgica Growing in Azerbaijan
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DOI: 10.1007/s10600-020-03093-0
Abstract: In continuation of the search for possible new sources of biologically active compounds, we studied the constituents of flowerheads and roots of Scabiosa georgica Sulak. growing in Azerbaijan [1], which have not previously been adequately… read more here.
Keywords: hexane; growing azerbaijan; etoh; chcl3 ... See more keywords
Synthesis, crystal structures, magnetic and magnetocaloric studies of heterometallic enneanuclear {Cu7Gd2} complexes
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DOI: 10.1016/j.poly.2020.114960
Abstract: Abstract The reaction of Gd(NO3)3∙6H2O and [Cu2(piv)4(pivH)2] with the polydentate Schiff base ligands o-OH-C10H6-CH=NC(R)(CH2OH)2 (R = CH3, H3L1; R = C2H5, H3L2) in MeOH afforded the enneanuclear heterometallic complexes [Cu7Gd2(L1)4(HL1)2(piv)4(H2O)(MeOH)3] (1) and [Cu7Gd2(L2)4(HL2)2(piv)4(MeOH)5] (2). Crystallographic… read more here.
Keywords: structures magnetic; meoh; cu7gd2; crystal structures ... See more keywords
Benchmarking One-Phase Lipid Extractions for Plasma Lipidomics
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DOI: 10.1021/acs.analchem.2c02117
Abstract: A key element of successful lipidomics analysis is a sufficient extraction of lipid molecules typically by two-phase systems such as chloroform-based Bligh and Dyer (B&D). However, numerous metabolomics and lipidomics studies today apply easy to… read more here.
Keywords: lipid classes; one phase; extraction; meoh ... See more keywords
Effect of an axial coordination environment on quantum tunnelling of magnetization for dysprosium single-ion magnets with theoretical insight.
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DOI: 10.1039/d1dt03678e
Abstract: Herein, we report two mononuclear dysprosium complexes [Dy(H4L){B(OMe)2(Ph)2}2](Cl)·MeOH (1) and [Dy(H4L){MeOH)2(NCS)2}](Cl) (2) [where H4L = 2,2'-(pyridine-2,6-diylbis(ethan-1-yl-1-ylidene))bis(N-phenylhydrazinecarboxamide)] with different axial coordination environments. The structural analysis revealed that the pentadentate H4L ligand binds through the equatorial position… read more here.
Keywords: ion magnets; dysprosium; axial coordination; meoh ... See more keywords
Separation and Identification of Antioxidants and Aldose Reductase Inhibitors in Lepechinia meyenii (Walp.) Epling
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DOI: 10.3390/plants10122773
Abstract: We previously reported that Lepechinia meyenii (Walp.) Epling has antioxidant and aldose reductase (AR) inhibitory activities. In this study, L. meyenii was extracted in a 50% MeOH and CH2Cl2/MeOH system. The active extracts of MeOH… read more here.
Keywords: meyenii walp; meoh; walp epling; separation ... See more keywords