Recent advances in metal catalyzed or mediated cyclization/functionalization of alkynes to construct isoxazoles

J Li, Z Lin, W Wu, H Jiang - Organic Chemistry Frontiers, 2020 - pubs.rsc.org
Isoxazoles and their derivatives represent privileged heteroaromatic motifs, which exhibit
remarkable biological and pharmaceutical activities. Notably, metal catalyzed or mediated …

Recent progress in the synthesis of isoxazoles

DX Duc, VC Dung - Current Organic Chemistry, 2021 - ingentaconnect.com
Isoxazole derivatives are aromatic five-membered ring heterocyclic compounds with one
oxygen atom and one nitrogen atom at adjacent positions. These compounds have a broad …

Synthesis of Porous Organic Polymers with Tunable Amine Loadings for CO2 Capture: Balanced Physisorption and Chemisorption

X Kong, S Li, M Strømme, C Xu - Nanomaterials, 2019 - mdpi.com
The cross-coupling reaction of 1, 3, 5-triethynylbenzene with terephthaloyl chloride gives a
novel ynone-linked porous organic polymer. Tethering alkyl amine species on the polymer …

Palladium‐Catalyzed Enantioselective Intramolecular Heck Carbonylation Reactions: Asymmetric Synthesis of 2‐Oxindole Ynones and Carboxylic Acids

D Zhang, Y **ong, Y Guo, L Zhang… - … –A European Journal, 2022 - Wiley Online Library
Herein, we report a Pd‐catalyzed enantioselective domino Heck carbonylation reaction of o‐
iodoacrylanilides with terminal alkynes and water as the nucleophiles, affording a diversity …

[HTML][HTML] Design, synthesis and antitumor activity of 3, 4, 5-Trisubstituted Isoxazoles

K Duan, F Tan, H **e, H Liu, Y Zhang, H Jiang… - European Journal of …, 2024 - Elsevier
In this study, 56 isoxazole derivatives were synthesized and their antitumor activity against 9
cancer cells, such as BXPC-3, MiaPaCa-2, PANC-1, MCF-7, HCT-116, HepG2, NCI-H460 …

Electrochemical Synthesis of Isoxazoles and Isoxazolines via Anodic Oxidation of Oximes

S Hofmann, J Winter, T Prenzel… - …, 2023 - Wiley Online Library
Isoxazol (in) es are widely featured structural motifs in natural products, agrochemicals, and
pharmaceuticals. The first intermolecular approach for a direct electrochemical synthesis …

Regioselective synthesis of functionalized 3-or 5-fluoroalkyl isoxazoles and pyrazoles from fluoroalkyl ynones and binucleophiles

BA Chalyk, A Khutorianskyi, A Lysenko… - The Journal of …, 2019 - ACS Publications
A facile synthetic route toward either 3-or 5-fluoroalkyl-substituted isoxazoles or pyrazoles
containing an additional functionalization site was developed and applied on a multigram …

Synthesis of isoselenazoles and isothiazoles from demethoxylative cycloaddition of alkynyl oxime ethers

ZZ Zhang, R Chen, XH Zhang… - The Journal of Organic …, 2020 - ACS Publications
A general method for the synthesis of isoselenazoles and isothiazoles has been developed
by the base-promoted demethoxylative cycloaddition of alkynyl oxime ethers using the …

Facile one-pot transformation of primary alcohols into 3-aryl-and 3-alkyl-isoxazoles and-pyrazoles

E Kobayashi, H Togo - Synthesis, 2019 - thieme-connect.com
Various primary alcohols were smoothly transformed into 3-aryl-and 3-alkylisoxazoles in
good yields in one pot by successive treatment with PhI (OAc) 2 in the presence of TEMPO …

DBU-promoted demethoxylative thioannulation of alkynyl oxime ethers with sulfur for the synthesis of bisisothiazole-4-yl disulfides

L Li, Q Chen, HH Xu, XH Zhang… - The Journal of Organic …, 2020 - ACS Publications
An efficient synthesis of bisisothiazole-4-yl disulfides via the demethoxylative thioannulation
of alkynyl oxime ethers with odorless elemental sulfur has been first developed. This …