Results 61 to 70 of about 1,834 (212)

Synthesis of 4‑Isoxazolines through Gold(I)-Catalyzed Cyclization of Propargylic N‑Hydroxylamines

open access: yes, 2016
New catalytic methods for the synthesis of 4-isoxazolines have been developed via catalytic intramolecular cyclizations of propargylic N-hydroxylamines.
Sewon Ahn (2892905)   +2 more
core   +1 more source

Synthesis of 4-Isoxazolines through Gold(I)-Catalyzed Cyclization of Propargylic N-Hydroxylamines

open access: yes, 2018
New catalytic methods for the synthesis of 4-isoxazolines have been developed via catalytic intramolecular cyclizations of propargylic N-hydroxylamines.
류재상
core   +1 more source

Functional Characterization of the Cat and Dog Wild‐Type and Mutant MDR1 Carrier Proteins and Frequency of the MDR1 Gene Mutation in 800 Cats From Germany

open access: yesJournal of Veterinary Pharmacology and Therapeutics, Volume 49, Issue 3, Page 237-256, May 2026.
ABSTRACT The ATP‐binding cassette transporter MDR1 P‐glycoprotein (syn. ABCB1) is an efflux carrier at the cell membrane that regulates drug absorption, distribution, and elimination. At the blood–brain barrier, MDR1 restricts brain entry of potentially neurotoxic drugs, such as ivermectin. In dogs and cats, MDR1 (syn.
Lisa Siegl   +6 more
wiley   +1 more source

Synthesis of highly functionalized β-aminocyclopentanecarboxylate stereoisomers by reductive ring opening reaction of isoxazolines

open access: yesBeilstein Journal of Organic Chemistry, 2012
A rapid and simple procedure was devised for the synthesis of multifunctionalized cyclic β-amino esters and γ-amino alcohols via the 1,3-dipolar cycloaddition of nitrile oxides to β-aminocyclopentenecarboxylates.
Melinda Nonn   +3 more
doaj   +1 more source

Knowledge mapping of risk mitigation measures against vector‐borne diseases

open access: yesEFSA Journal, Volume 24, Issue 5, May 2026.
Abstract A comprehensive synthesis of current evidence on surveillance, prevention and control measures for 25 selected vector‐borne diseases (VBDs) affecting animals in the EU is presented here. The assessment integrates evidence from systematic literature reviews, modelling studies, field investigations and expert judgement.
European Food Safety Authority (EFSA)   +8 more
wiley   +1 more source

Nitroimidazoles XIII. Synthesis of Substituted (1-Methyl-5-Nitro-2-Imidazolyl) Isoxazoles [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 1998
The beta0diketone derivatives of nitroimidazole were synthesized from the reaction of magnesium salt of beta-ketoaccids 3 with imidazolide 4. The raction of beta-diketones with hydroxylamine hydrochloride afforded either the isoxazoles or the 5-hydroxyl ...
Abbas Shafiee, Mohammad ALi Ebrahimzadeh
doaj  

Synthesis of stable isoxazolines by [3+2] cycloaddition of oxaziridines with alkynes.

open access: yes, 2008
N-Alkyl substituted oxaziridines undergo a [3+2] cycloaddition reaction with a variety of terminal alkynes to give the product isoxazolines, whose stability appears to depend on the electronic properties of the groups on the C-3 and C-5 positions.
M. FABIO   +2 more
core   +1 more source

Spatial Control Over Tether‐Tunable Coordination on Palladium for Divergent Synthesis of Bicyclo[n.1.0]alkanes via Oxidative Cyclopropanation of Enynes

open access: yesAdvanced Science, Volume 13, Issue 19, 2 April 2026.
We have developed a Pd‐catalyzed oxidative cyclopropanation of 1,n‐enynes employing cyclic diacyl peroxides as bifunctional reagents that serve as both tether‐tunable oxidants and spatially controlled dicarboxylate anions. ABSTRACT Bicyclo[n.1.0]alkanes are highly valuable scaffolds in drug discovery and synthetic chemistry.
Ting Yuan, Lei Shi
wiley   +1 more source

Catalytic enantioselective synthesis of carboxy-substituted 2-isoxazolines by cascade oxa-Michael-cyclization

open access: yes, 2018
Enantioselective phase-transfer-catalyzed cascade synthesis of chiral carboxy-substituted 2-isoxazolines was achieved. The cascade reaction was applied to synthesis of herbicide (S)-methiozolin.
Chang-Woo Cho   +5 more
core   +1 more source

Synthesis of Functionalized Isoxazolines as New Acetylcholinesterase and Tyrosinase Inhibitors and Antioxidant Agents

open access: yes, 2023
In the search for new leads capable of interacting with multiple targets involved in NDD pathogenesis, a series of pyrazine-linked isoxazoline scaffolds were designed, synthesized and evaluated for their acetylcholinesterase and tyrosinase inhibitory ...
Jainey P. James (14066091)   +1 more
core   +1 more source

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