Results 1 to 10 of about 132,024 (337)

Copper catalysis with redox-active ligands [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2020
Copper catalysis finds applications in various synthetic fields by utilizing the ability of copper to sustain mono- and bielectronic elementary steps. Further to the development of well-defined copper complexes with classical ligands such as phosphines ...
Agnideep Das   +3 more
doaj   +4 more sources

Copper catalysis in organic synthesis [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2015
Copper is a very versatile transition metal that has been used as a building material by human civilizations for over 6000 years. Copper is also an essential element, responsible for important biological processes. The title of this Thematic Series published in the Beilstein Journal of Organic Chemistry is “Copper catalysis in organic synthesis”. A web
Sherry R. Chemler
doaj   +4 more sources

High‐Valent Copper Catalysis Enables Regioselective Fluoroarylation of Gem‐Difluorinated Cyclopropanes [PDF]

open access: goldAdvanced Science
Transition‐metal (TM) catalyzed reaction of gem‐difluorinated cyclopropanes (gem‐DFCPs) has drawn much attention recently. The reaction generally occurs via the activation of the distal C─C bond in gem‐DFCPs by a low‐valent TM through oxidative addition,
Xiuli Wu, Xiangyu Song, Ying Xia
doaj   +3 more sources

Benzyl thioether formation merging copper catalysis [PDF]

open access: yesRSC Advances, 2022
A novel copper-catalyzed thioetherification reaction has been developed to afford benzyl thioethers in moderate to excellent yields.
Bing Xu   +5 more
openaire   +4 more sources

Dehydroxylative radical N-glycosylation of heterocycles with 1-hydroxycarbohydrates enabled by copper metallaphotoredox catalysis [PDF]

open access: goldNature Communications
N-Glycosylated heterocycles play important roles in biological systems and drug development. The synthesis of these compounds heavily relies on ionic N-glycosylation, which is usually constrained by factors such as labile glycosyl donors, precious metal ...
Da-Peng Liu   +3 more
doaj   +2 more sources

Three-component redox-neutral alkene difunctionalization by radical copper catalysis [PDF]

open access: goldTetrahedron Chem
Three-component olefin difunctionalization represents a powerful strategy for constructing complex organic molecules. However, its advancement has been constrained by persistent challenges in chemoselectivity, environmental sustainability, and cost ...
Zhiming Feng   +4 more
doaj   +2 more sources

Recent advances in copper oxide nanocatalyzed CC cross-coupling transformations

open access: yesResults in Chemistry, 2022
With the recent development of metal oxide in various fields of science and technology, immensely nanotechnology has been contributing huge applications in the last decade, in various fields of synthetic chemistry, catalysis, and pharmaceutical ...
Akta Soni   +4 more
doaj   +1 more source

Copper–NHC complexes in catalysis [PDF]

open access: yesCoordination Chemistry Reviews, 2015
Abstract Although the chemistry of copper has a long history [1a-d] , the relatively recent discovery of N-heterocyclic carbene (NHC) as transition-metal supporting ligands has permitted novel vistas to be explored in copper reactivity and catalysis [1e,f] .
Lazreg, Faima   +2 more
openaire   +3 more sources

Visible-light-mediated copper photocatalysis for organic syntheses

open access: yesBeilstein Journal of Organic Chemistry, 2021
Photoredox catalysis has been applied to renewable energy and green chemistry for many years. Ruthenium and iridium, which can be used as photoredox catalysts, are expensive and scarce in nature.
Yajing Zhang   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy