Results 151 to 160 of about 4,806 (212)

Pharmacological Potential of Peruvian <i>Eustephia</i> Species (Amaryllidaceae): Alkaloid Diversity, Cholinesterase Inhibition, and Anti-<i>Trypanosoma cruzi</i> Activity. [PDF]

Plants (Basel)
Llalla-Cordova O, Ortiz JE, Piñeiro M, Tallini LR, Torras-Claveria L, Huaylla H, Mejía-Jaramillo AM, Triana-Chávez O, Osorio E, Luna LC, Feresin GE.   +10 more
europepmc   +1 more source

Potential Antiviral Compounds from <i>Hippeastrum puniceum</i> Bulb Against Yellow Fever Virus: Bioassay-Guided Fractionation and <i>In Silico</i> Pharmacokinetic Analysis. [PDF]

Molecules
Flores-Souza E, Caldeira ASP, Pacca-Mazaro CC, de Souza TVM, Acácio TM, Barbosa EC, Tavares NC, Calzavara-Silva CE, Zani CL, Pires DEV, Alves TMA, de Oliveira JG.   +11 more
europepmc   +1 more source

Alkaloid Profile of Fifteen Different Species of <i>Narcissus</i> L. (Amaryllidoideae) Collected in Spain. [PDF]

Plants (Basel)
Rodríguez-Escobar ML, Martínez-Francés V, Ríos S, Feresin GE, Borges WS, Bastida J, Torras-Claveria L, Tallini LR.   +7 more
europepmc   +1 more source

Direct evidence for poison use on microlithic arrowheads in Southern Africa at 60,000 years ago. [PDF]

Sci Adv
Isaksson S, Högberg A, Lombard M.
europepmc   +1 more source

Sustainable Extraction of Alkaloids from <i>Worsleya procera</i>: Improving the Method with Green Chemistry. [PDF]

ACS Omega
Duque Rodrigues W, Zanatta AC, Cabral Borelli T, Roberto da Silva R, Cardoso CL, Peporine Lopes N.   +5 more
europepmc   +1 more source

Machine Learning-Based QSAR Screening of Colombian Medicinal Flora for Potential Antiviral Compounds Against Dengue Virus: An In Silico Drug Discovery Approach. [PDF]

Pharmaceuticals (Basel)
Montenegro-Herrera SA, Sosa A, Echeverri-Jiménez I, Castaño-Valencia RS, Jerez-Valderrama AM.   +4 more
europepmc   +1 more source

Haemanthidine-Containing Alkaloid Fraction from <i>Crinum scabrum</i> as a Natural Therapeutics for Chagas Disease. [PDF]

ACS Omega
Pardo JB, Orlando LMR, Lara LDS, Pereira MCS, de Sousa NF, Scotti L, Scotti MT, Borges WS.   +7 more
europepmc   +1 more source

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Alkaloids from Narcissus angustifolius subsp. transcarpathicus (Amaryllidaceae)

Phytochemistry, 2002
Seven alkaloids have been isolated from fresh bulbs of Narcissus angustifolius subsp. transcarpathicus (Amaryllidaceae). Nangustine, reported here for the first time, is the first 5,11-methanomorphanthridine alkaloid with a C-3/C-4 substitution. The structure and stereochemistry of this new alkaloid, as well as those previously known, have been ...
Machocho, Alex K., Labranya, J., Kricsfalusy, V., Brun, R., Codina, C., Viladomat., F, Bastida, J.   +6 more
openaire   +4 more sources

The amaryllidaceae alkaloids

Tetrahedron, 1968
Abstract On the basis of the conformations and the established absolute configurations of lycorine (I) and dihdyrolycorine (IX), discussions on quaternization of the alkaloids permit the assignment of the absolute configurations of lycorine α- and β-methiodide, (II and III), and dihydrolycorine methiodide (X), respectively.
K. Kotera, Y. Hamada, R. Nakane
openaire   +2 more sources

Amaryllidaceae andSceletiumalkaloids

Natural Product Reports, 2019
Recent progress on the isolation, identification, biological activity and synthetic studies of Amaryllidaceae alkaloids, as well as the structurally close alkaloids from theSceletiumgenus, published from July 2015 to June 2017 are reviewed.
Zhong Jin, Guangmin Yao
openaire   +2 more sources