A Combined Approach for Rapid Dereplication of Herb-Drug Interaction Causative Agents in Botanical Extracts-A Molecular Networking Strategy To Identify Potential Pregnane X Receptor (PXR) Modulators in Yohimbe. [PDF]
ACS OmegaAnnam SCVAR +10 more
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Simultaneous Multiclass Analysis of Cyanotoxins in Cyanobacterial Samples Using Hydrophilic Interaction Liquid Chromatography-Tandem Mass Spectrometry. [PDF]
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The contribution of cyclic imide stereoisomers on cereblon-dependent activity. [PDF]
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Mixed squaramide thioesters as phosphate group analogues for non-competitive antagonists of the phospholipid-sensing G protein-coupled receptor GPR55. [PDF]
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The potential of VCD to resolve the epimer vs. inverse epimer quandary
Computational and Theoretical Chemistry, 2012Abstract The determination of whether two stereoisomers constitute a pair of epimers or if they differ in their configuration at all stereogenic centers bar one can be a formidable challenge and represent a problem of greater complexity than just determination of absolute configuration per se.
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Moxalactam epimer kinetics in children
Clinical Pharmacology and Therapeutics, 1982The kinetics of the R and S epimers of moxalactam were followed after single intravenous doses of 50 mg/kg to 12 patients, 8 to 45 mo old, with cellulitis or epiglottitis. High-pressure liquid chromatography was used to determine serum concentrations. Total body clearance and apparent volume of distribution of the R epimer were higher than those of the
M C, Nahata, D E, Durrell, W J, Barson
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A Formal Synthesis of Porantheridine and an Epimer
The Journal of Organic Chemistry, 2009A formal synthesis of porantheridine and a synthesis of its C6-epimer have been completed, employing silver-catalyzed allene cyclization to form a common cis-isoxazolidine intermediate and related N-acyl iminium ion intermediates for side-chain introduction. The stereochemistry of this step can be controlled by choice of the N-protection method.
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The structure (9R,10S)-7-deoxyaklavinone (VII) was assigned to a minor metabolite isolated from Streptomyces coeruleorubidus on the basis of 1H, 13C NMR and CD spectra. Evidence that compounds II and VII, isomeric with 7-deoxyaklavinone, are natural compounds is presented.
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