Results 61 to 70 of about 5,024 (202)

N-Дифлуорометиліндазоли [PDF]

open access: yes, 2022
Aim. To study the possibility of the N-difluoromethylation and separation of 1-difluoromethyl and 2-difluoromethyl isomers of C-substituted indazoles, as well as some possibilities of functionalization of such molecules.Results and discussion.
Filatov, Andrey A., Petko, Kirill I.
core   +2 more sources

Bifunctional Photocatalysts: Exploiting Proximity for Enhanced Reaction Performance

open access: yesChemistry – A European Journal, EarlyView.
This review covers the application of the bifunctional approach to photocatalysis as a means to attain (enhanced) enantioselectivity, and, more in general, as a strategy to enhance the catalytic performance through an effective use of short‐lived reaction intermediates.
Luigi Dolcini   +3 more
wiley   +1 more source

Synthesis of 3,5-Disubstituted Isoxazoles and Isoxazolines in Deep Eutectic Solvents [PDF]

open access: yes, 2015
The synthesis of different 3,5-disubstituted isoxazoles and related isoxazolines using choline chloride:urea as deep eutectic solvent (DES) in a one-pot three step reaction has been accomplished successfully. The use of highly nucleophilic functionalized
Pérez Galera, Juana María   +1 more
core   +3 more sources

Chan–Lam Cross‐Coupling With Alkylboron Reagents: From Transmetallation to Radical Pathways

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
Alkylative Chan–Lam coupling overcomes intrinsic transmetallation limitations of alkylboron reagents by engaging radical pathways. Recent advances reveal how radical and radical–polar crossover mechanisms enable mild C(sp3)—heteroatom bond formation. This minireview highlights key mechanistic insights and emerging strategies that transform alkylboron ...
Nicolas G.‐Simonian   +3 more
wiley   +1 more source

Synthesis and Crystallographic Characterisation of Pyridyl- and Indoleninyl-Substituted Pyrimido[1,2-b]Indazoles

open access: yesCrystals, 2022
Pyridyl- and indoleninyl-substituted pyrimido[1,2-b]indazole were synthesised in good to high yields from the condensation reaction of 1,3-dialdehydes with 3-aminoindazoles. The structural features of the compounds were determined by NMR (1H, 13C and 19F)
Abdul Qaiyum Ramle   +2 more
doaj   +1 more source

Evolution of a novel orally bioavailable series of PI3Kδ inhibitors from an inhaled lead for the treatment of respiratory disease. [PDF]

open access: yes, 2016
A four step process of high quality modelling of existing data, deconstruction, identification of replacement cores and an innovative synthetic re-growth strategy led to the rapid discovery of a novel oral series of PI3K δ inhibitors with promising ...
Anthony W. J. Cooper   +13 more
core   +1 more source

Toxicokinetic modelling of the synthetic cannabinoid 5F‐MDMB‐P7AICA and its main metabolite in pigs following pulmonary administration

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Aims Since their emergence on the drug market, synthetic cannabinoids (SC) are still gaining increasing importance in forensic toxicology. The representatives of the so‐called new psychoactive substances have in common that they have not undergone preclinical safety studies. Hence, knowledge on toxicokinetic (TK) data is sparse.
Adrian A. Doerr   +10 more
wiley   +1 more source

Substitutive Approach Toward Heteroaromatic Amino Alcohols Accessed Through Dioxolanyl Radical Linchpin

open access: yesAdvanced Synthesis &Catalysis, Volume 368, Issue 7, 1 April 2026.
A dioxolanyl linchpin has been used to synthesize aryl ethanolamines from readily available aryl bromide and amine starting materials using a metallaphotoredox/substitution telescoped sequence. This combinatorial approach allows for a wide synthetic scope of both heteroarenes and cyclic amines. Aryl ethanolamines are an important functional group found
Justin J. Chang   +4 more
wiley   +1 more source

A Suitable Functionalization of Nitroindazoles with Triazolyl and Pyrazolyl Moieties via Cycloaddition Reactions

open access: yesMolecules, 2019
The alkylation of a series of nitroindazole derivatives with 1,2-dibromoethane afforded the corresponding N-(2-bromoethyl)- and N-vinyl-nitro-1H-indazoles.
Mohammed Eddahmi   +9 more
doaj   +1 more source

Ferulic acid-4-O-sulfate rather than ferulic acid relaxes arteries and lowers blood pressure in mice [PDF]

open access: yes, 2017
Consumption of foods rich in ferulic acid (FA) such as wholegrain cereals, or FA precursors such as chlorogenic acids in coffee, is inversely correlated with risk of cardiovascular disease and type 2 diabetes.
Beerens, K   +11 more
core   +2 more sources

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