Results 21 to 30 of about 27,304,717 (282)

Transition-metal-free electrochemical-induced active C(sp3)-H functionalization

open access: yesGreen Chemistry Letters and Reviews, 2023
Direct C–H bond functionalization is the most effective technique to construct C–X (X = C, N, O, S, etc.), which could simplify the conventional synthesis methods.
Xiaolong Ma   +4 more
doaj   +1 more source

Transition-metal-catalyzed aromatic C–H functionalization assisted by the phosphorus-containing directing groups

open access: yesGreen Synthesis and Catalysis, 2023
Transition-metal-catalyzed C–H bond functionalization has attracted tremendous attention as an increasingly important protocol for the construction of C–C and C–X bonds.
Jian Zhang   +5 more
doaj   +1 more source

C–H Functionalization via Iodine-mediated Electrocatalysis and C–N Bond Formation [PDF]

open access: yes, 2022
The access of heterocyclic compounds via direct amination of C-H bonds are of vital interest because of their role in pharmaceutical and natural products. The combination of molecular iodine and electricity activates benzylic C-H bond and facilitates the
Guilherme. M., Martins, Nisar, Ahmed
core   +1 more source

Ligand control of hydrocarbon C-H bond functionalization by uranyl photocatalysts [PDF]

open access: yes, 2023
The aqueous uranyl dication has long been known to facilitate the UV light-induced decomposition of aqueous VOCs (volatile organic compounds), via the long-lived highly efficient, uranyl excited state.
Polly, Arnold   +8 more
core   +1 more source

Co(III) Intermediates in Cobalt-Catalyzed, Bidentate Chelation Assisted C(sp2)-H Functionalizations

open access: yesInorganics, 2023
The C-H bond activation and functionalization is a powerful tool that provides efficient access to various organic molecules. The cobalt-catalyzed oxidative C-H bond activation and functionalization has earned enormous interest over the past two decades.
Aleksandrs Cizikovs, Liene Grigorjeva
doaj   +1 more source

Steric, Electronic and Conformational Synergistic Effects in the Au(I)-catalyzed alpha-C-H Bond Functionalization of Tertiary Amines [PDF]

open access: yes, 2022
Direct C-H bond functionalization is a useful strategy for the straightforward formation of C-C and C-Heteroatom bonds. In the present work, a unique approach for the challenging electrophilic Au-catalyzed alpha-C-H bond functionalization of tertiary ...
David F. , León Rayo   +4 more
core   +3 more sources

Radical Advances in C(sp3)−H Functionalization: Foundations for C–H Cross-Coupling [PDF]

open access: yes, 2022
C−H functionalization reactions are playing an increasing role in the preparation and modification of complex organic molecules, including pharmaceuticals, agrochemicals, and polymer precursors.
Dung, Golden   +2 more
core   +1 more source

Novel Strategies in C-H Oxidations for Natural Product Diversification—A Remote Functionalization Application Summary

open access: yesFrontiers in Chemistry, 2021
Selectively activating the distal inactive C-H bond for functionalization is one of the on-going challenge in organic synthetic chemistry. In recent years, benefiting from the development of selective synthesis methods, novel methodologies not only make ...
Huang Junrong   +11 more
doaj   +1 more source

Ligand Accelerated Hydrogen Isotope Exchange: Switching C-H Activation from Functionalization Towards C-D Bond Formation [PDF]

open access: yes, 2023
Hydrogen isotope exchange (HIE) has emerged as a unique strategy for labelling, affording plenty of deuterated chemicals with varieties in patterns.
Jianfei, Bai   +6 more
core   +2 more sources

Transition Metal-Catalyzed Remote C–H Bond Functionalization of Cyclic Amines

open access: yesSynOpen, 2022
C–H bond functionalization is one of the most effective strategies for the rapid synthesis of cyclic amines containing substituents in the ring, which are core structures of many bioactive molecules. It is, however, much more challenging to perform this
Weijie Chen, Xiaoyu Yang, Xi Cao
doaj   +1 more source

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