Results 21 to 30 of about 865,390 (142)

Application of High-Performance Liquid Chromatography with Fluorescence Detection for Non-Polar Heterocyclic Aromatic Amines and Acridine Derivatives Determination in Pork Loin Roasted in a Roasting Bag

open access: yesFoods, 2022
Heat treatment of meat can lead to the formation of carcinogenic organic compounds. The influence of dried fruits on the formation of non-polar heterocyclic aromatic amines (carbolines) and nitrogen derivatives of polycyclic aromatic hydrocarbons ...
Ewa Śnieżek   +4 more
doaj   +1 more source

Synthesis of α- and β-Carbolines by a Metalation/Negishi Cross-Coupling/SNAr Reaction Sequence [PDF]

open access: yes, 2021
Carbolines are considered to be privileged scaffolds in medicinal chemistry. An efficient method for the synthesis of α- and β-carbolines from fluoropyridines and 2-haloanilines is reported.
Stefan, Roesner   +1 more
core   +2 more sources

Carbenium catalysis toward β-carbolines [PDF]

open access: yes, 2023
This preview highlights the findings of Liu, Jia, Loh, and co-workers, reported recently in Cell Reports Physical Science on the synthesis of β-carbolines in good to excellent yields, catalyzed by the [Ph3C]+[B(C6F5)4]− ion pair.
Richards, Emma, Melen, Rebecca L.
core   +1 more source

Methodologies for the synthesis of β-carbolines [PDF]

open access: yes
β-Carbolines are an important class of heterocyclic compounds that are widely distributed in nature, being found in several families of naturally occurring alkaloids.
Boswood, S, Roesner, S
core   +5 more sources

Mild and efficient ammonium chloride catalyzed Greener synthesis of tetrahydro-β-carboline

open access: yesCurrent Research in Green and Sustainable Chemistry, 2022
This protocol involves the NH4Cl catalyzed Pictet−Spengler reactions of tryptamine and arylaldehydes in anhydrous MeOH solvent to gives corresponding tetrahydro-β-carbolines (THβC) with 90% yield. This methodology offers mild, efficient and green reagent
Milind V. Gaikwad   +2 more
doaj   +1 more source

Rumors of Psychedelics, Psychotropics and Related Derivatives in Vachellia and Senegalia in Contrast with Verified Records in Australian Acacia

open access: yesPlants, 2022
There are almost 1000 species of Acacia sensu stricto in Australia, while the 44 species and 4 subspecies in southern Africa were taxonomically revised in the year 2011 to Senegalia and Vachellia.
Nicholas J. Sadgrove
doaj   +1 more source

Morita–Baylis–Hillman reaction of 3-formyl-9H-pyrido[3,4-b]indoles and fluorescence studies of the products

open access: yesBeilstein Journal of Organic Chemistry, 2022
β-Carboline is a privileged class of the alkaloid family and is associated with a broad spectrum of biological properties. 3-Formyl-9H-pyrido[3,4-b]indole is a such potent precursor belonging to this family which can be tailored for installing diversity ...
Nisha Devi, Virender Singh
doaj   +1 more source

Natural surfactants assisted an efficient synthesis of tetrahydro-β-carbolines

open access: yesResults in Chemistry, 2021
An expeditious protocol for the synthesis of structurally diversified β-carboline derivatives has been reported using a readily available natural surfactant medium.
Somnath S. Gholap, Vinod R. Kadu
doaj   +1 more source

Intramolecular Csp2–Csp2 Friedel–Crafts Arylation: Substrate- and Condition-Controlled Divergent Synthesis of Fused-β-carbolines

open access: yes, 2016
A triple cooperative catalysis-mediated multicomponent reaction between 1-formyl-N-substituted-β-carbolines, a terminal alkyne, and a secondary amine allows access to unprecedented polycyclic β-carbolines via sequential A3-coupling and an intramolecular ...
Sanjay Batra (1613422)   +4 more
core   +2 more sources

Biodiversity of β-Carboline Profile of Banisteriopsis caapi and Ayahuasca, a Plant and a Brew with Neuropharmacological Potential

open access: yesPlants, 2020
Ayahuasca is a psychoactive infusion with a large pharmacological application normally prepared with Banisteriopsis caapi, which contains the monoamine oxidase inhibitors β-carbolines, and Psichotria virids, which contains the serotonin receptor agonist ...
Beatriz Werneck Lopes Santos   +5 more
doaj   +1 more source

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