Results 141 to 150 of about 2,622 (201)

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

Anticoronavirus Isoquinoline Alkaloids: Unraveling the Secrets of Their Structure-Activity Relationship. [PDF]

Influenza Other Respir Viruses
Safratova M, Chen YL, Hostalkova A, Chlebek J, Hsieh CF, Chen BH, Cahlikova L, Kosturko S, Backlund A, Horng JT, Hwang TL, Korinek M.   +11 more
europepmc   +1 more source

Benzylic hydroxylations of the Amaryllidaceae alkaloids

, 2018
openaire   +3 more sources

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

Variation in phytochemical profiles and anti-cholinesterase activity across wild Iranian populations of Leucojum aestivum L.: a conservation perspective. [PDF]

BMC Plant Biol
Esmaeili H, Mahdavi-Fikjvar E, Poureshaghi F, Moridi Farimani M, Sonboli A, Dastres E, Behboudi H, Mirjalili MH.   +7 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

Chemodiversity, chemotaxonomy and chemoecology of Amaryllidaceae alkaloids

, 2020
The Amaryllidaceae alkaloids are a distinctive chemotaxonomic feature of the subfamily Amaryllidoideae of the family Amaryllidaceae, which consists of 59 genera and >800 species distributed primarily in tropical and subtropical areas. Since the first isolation, ca.
Berkov, Strahil, Osorio Durango, Edison Javier, Viladomat Meya, Francesc, Bastida Armengol, Jaume   +3 more
openaire   +4 more sources

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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
  +4 more sources