Results 11 to 20 of about 103,451 (274)
Frontiers in Pharmacology, 2022 Piperine and piperidine are the two major alkaloids extracted from black pepper (Piper nigrum); piperidine is a heterocyclic moiety that has the molecular formula (CH2)5NH.
Sicon Mitra +8 more
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Deprotection Reagents in Fmoc Solid Phase Peptide Synthesis: Moving Away from Piperidine?
Molecules, 2016 The deprotection step is crucial in order to secure a good quality product in Fmoc solid phase peptide synthesis. 9-Fluorenylmethoxycarbonyl (Fmoc) removal is achieved by a two-step mechanism reaction favored by the use of cyclic secondary amines ...
Omar F. Luna +5 more
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Piperidine Derivatives: Recent Advances in Synthesis and Pharmacological Applications
International Journal of Molecular Sciences, 2023 Piperidines are among the most important synthetic fragments for designing drugs and play a significant role in the pharmaceutical industry. Their derivatives are present in more than twenty classes of pharmaceuticals, as well as alkaloids.
N. Frolov, A. Vereshchagin
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Macromolecules, 2020 Different anion-exchange membranes (AEMs) based on polystyrene (PS)-carrying benzyltrimethyl ammonium cations are currently being developed for use in alkaline fuel cells and water electrolyzers.
J. Olsson, Thanh Huong Pham, P. Jannasch
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Synthesis and biological evaluation of novel quinoline-piperidine scaffolds as antiplasmodium agents
European journal of medicinal chemistry, 2020 The parasitic disease malaria places almost half of the world’s population at risk of infection and is responsible for more than 400,000 deaths each year.
Tim Van de Walle +7 more
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Beyond the Simple Copper(II) Coordination Chemistry with Quinaldinate and Secondary Amines
Molecules, 2020 Copper(II) acetate has reacted in methanol with quinaldinic acid (quinoline-2-carboxylic acid) to form [Cu(quin)2(CH3OH)]∙CH3OH (1) (quin− = an anionic form of the acid) with quinaldinates bound in a bidentate chelating manner.
Barbara Modec, Nina Podjed, Nina Lah
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Разработка и регистрация лекарственных средств, 2023 Introduction. The search for new, effective and safe pharmacologically active substances remains an urgent task in the field of pharmacy. Many compounds of the piperidine and morpholine series are widely used in medical practice and belong to an ...
A. E. Khamitova, D. A. Berillo
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The mechanism of pyridine hydrogenolysis on molybdenum-containing catalysts : IV. The conversion of piperidine [PDF]
, 1973 The conversion of piperidine was investigated on a CoO-MoO3-Al2O3 catalysts as a function of the temperature, reaction time, initial piperidine partial pressure and the hydrogen pressure.\ud \ud At 60 atm of hydrogen and conversions below 50% piperidine ...
Mars, P., Neyens, W.J., Sonnemans, J.
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Pot, atom and step economic (PASE) synthesis of highly functionalized piperidines: a five-component condensation [PDF]
, 2007 The diastereoselective pot, atom and step economic (PASE) synthesis of highly functionalized piperidines has been realized. The procedure simply involves mixing methyl acetoacetate, 2 equiv of aldehyde and 2 equiv of aniline together in the presence of ...
Clarke, Paul A. +2 more
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Hoogsteen base pairs proximal and distal to echinomycin binding sites on DNA [PDF]
, 1987 Forms of the DNA double helix containing non-Watson-Crick base-pairing have been discovered recently based on x-ray diffraction analysis of quinoxaline antibiotic-oligonucleotide complexes.
Dervan, Peter B., Mendel, David
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