Gold-catalyzed reactions of specially activated alkynes, allenes, and alkenes

D Campeau, DF León Rayo, A Mansour… - Chemical …, 2020 - ACS Publications
This review describes the gold-catalyzed reactions of specially activated alkynes, allenes,
and alkenes. Such species are characterized by the presence of either electron-donating or …

Recent progresses in the synthesis of functionalized isoxazoles

T Morita, S Yugandar, S Fuse, H Nakamura - Tetrahedron Letters, 2018 - Elsevier
Isoxazole is an important pharmacophore that is critical for biological activity. The isoxazole
ring ranks 33rd in frequency among the 351 ring systems found in marketed drugs, thus …

Catalyst-free synthesis of borylated lactones from esters via electrophilic oxyboration

DJ Faizi, A Issaian, AJ Davis… - Journal of the American …, 2016 - ACS Publications
A catalyst-free oxyboration reaction of alkynes is developed. The resulting borylated
isocoumarins and 2-pyrones are isolated as boronic acids, pinacolboronate esters, or …

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 …

Boron–heteroatom addition reactions via borylative heterocyclization: oxyboration, aminoboration, and thioboration

A Issaian, KN Tu, SA Blum - Accounts of Chemical Research, 2017 - ACS Publications
Conspectus Organoboron compounds and heterocycles are powerful building blocks and
precursors for organic synthesis, including for drug discovery and agrochemical and …

Catalyst‐Free Formal Thioboration to Synthesize Borylated Benzothiophenes and Dihydrothiophenes

DJ Faizi, AJ Davis, FB Meany, SA Blum - Angewandte Chemie, 2016 - Wiley Online Library
The first ring‐forming thioboration reaction of C− C π bonds is reported. This catalyst‐free
method proceeds in the presence of a commercially available external electrophilic boron …

Stoichiometric and Catalytic C−C and C−H Bond Formation with B(C6F5)3 via Cationic Intermediates

Y Soltani, LC Wilkins, RL Melen - … Chemie International Edition, 2017 - Wiley Online Library
This work showcases a new catalytic cyclization reaction using a highly Lewis acidic borane
with concomitant C− H or C− C bond formation. The activation of alkyne‐containing …

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 …

Green multicomponent synthesis, antimicrobial and antioxidant evaluation of novel 5-amino-isoxazole-4-carbonitriles

H Beyzaei, M Kamali Deljoo, R Aryan… - Chemistry Central …, 2018 - Springer
Background Design and synthesis of new inhibitor agents to deal with pathogenic
microorganisms is expanding. In this project, an efficient, environmentally friendly …

tert-Butyl nitrite triggered radical cascade reaction for synthesizing isoxazoles by a one-pot multicomponent strategy

L Chen, Z Wang, H Liu, X Li, B Wang - Chemical Communications, 2022 - pubs.rsc.org
A metal-free radical cyclization/dehydrogenation cascade of alkenes with aldehydes has
been developed for the synthesis of 3, 5-disubstituted isoxazoles in a one-pot system. This …