Results 21 to 30 of about 3,271,959 (246)

Methoxy-Directed Aryl-to-Aryl 1,3-Rhodium Migration [PDF]

Journal of the American Chemical Society, 2013
Through-space metal/hydrogen shift is an important strategy for transition-metal-catalyzed C-H bond activation. Here we describe the synthesis and characterization of a Rh(I) 2,6-dimethoxybenzoate complex that underwent stoichiometric rearrangement via a highly unusual 1,3-rhodium migration.
Jing, Zhang, Jun-Feng, Liu, Angel, Ugrinov, Anthony F X, Pillai, Zhong-Ming, Sun, Pinjing, Zhao   +5 more
openaire   +2 more sources

A cooperative Pd-Cu system for direct C-H bond arylation [PDF]

, 2014
The authors are grateful to the Royal Society (University Research Fellowship to CSJC) for financial support.A novel and efficient method for C-H arylation using well-defined Pd- and Cu-NHC systems has been developed.
Cazin, Catherine, Cazin, Catherine S. J., Lesieur, Mathieu, Lazreg, Faima   +3 more
core   +1 more source

Copper-Catalyzed Selective Arylation of Oxadiazolones by Diaryliodonium Salts [PDF]

, 2021
The direct N-arylation of cyclic amides can be considered a pivotal issue for modern organic chemistry. Here, we report the method for copper-catalyzed N-arylation of diverse oxadiazolones by diaryliodonium salts in mild conditions in high yields (up to ...
Pavel, Postnikov, Sergey, Baykov, Artem, Semenov, Kirill, Geyl, Natalia, Soldatova, Mikhail, Korsakov, Anna, Konstantinova, Anton, Shetnev, Mekhman, Yusubov   +8 more
core   +2 more sources

The Synthesis and Photophysical Properties of Weakly Coupled Diketopyrrolopyrroles

Molecules, 2021
Three centrosymmetric diketopyrrolopyrroles possessing either two 2-(2′-methoxyphenyl)benzothiazole or two 2-(2′-methoxyphenyl)benzoxazolo-thiophene scaffolds were synthesized in a straightforward manner, and their photophysical properties were ...
Michał Pieczykolan, James B. Derr, Amara Chrayteh, Beata Koszarna, John A. Clark, Olena Vakuliuk, Denis Jacquemin, Valentine I. Vullev, Daniel T. Gryko   +8 more
doaj   +1 more source

Palladium-catalyzed α-arylation of arylketones at low catalyst loadings [PDF]

, 2014
The authors thank the ERC (Advanced Researcher award-FUNCAT), 7th Framework Program NMP2-LA-2010–246461 (SYNFLOW) and King Saud University for funding.A general catalytic protocol for the a-arylation of aryl ketones has been developed.
Nolan, Steven Patrick, Davies, Sian, Corpet, Martin, Martin Corpet, Sian R. Davies, Corpet, Martin Michel Alfred Eton, Nolan, Steven, Marelli, Enrico, Davies, Sian R, Enrico Marelli, Steven P. Nolan   +10 more
core   +1 more source

Palladium-Catalyzed C–H Arylation of 1,2,3-Triazoles

Molecules, 2016
Palladium(II) acetate, in combination with triphenylphosphine, catalyzes direct arylation of 1,4-disubstituted 1,2,3-triazoles effectively. This C–H arylation reaction provides facile access to fully substituted triazoles with well-defined regiochemistry.
Chengwei Zhang, Lin You, Chuo Chen
doaj   +1 more source

Direct C–H Alpha Arylation of Enones with ArI(O2CR)2 Reagents [PDF]

, 2019
Herein, we report the metal-free direct C–H arylation of enones mediated by hypervalent iodine reagents. The reaction proceeds via a reductive iodonium Claisen rearrangement of in situ b-pyridinium silyl enol ethers.
Felipe Cesar Sousa e Silva (7520025), Sarah, Wengryniuk, Nguyen T, Van, Sarah Wengryniuk (7287326), Nguyen T Van (7520028), Felipe Cesar, Sousa e Silva   +5 more
core   +2 more sources

Direct Arylation Polymerization of Degradable Imine-based Conjugated Polymers [PDF]

, 2023
The development and optimization of reliable polymerization methods are needed for the synthesis of degradable imine-based conjugated polymers, which are attractive materials for transient electronics.
Angela , Lin, Shine , Huang, Azalea , Uva, Helen, Tran, Nathan Sung Yuan, Hsu   +4 more
core   +2 more sources

Electron Donor–Acceptor Complex Catalysis in Synthetic Chemistry

Angewandte Chemie, EarlyView.
Electron donor–acceptor (EDA) complexes are moving beyond stoichiometric photoactivation toward catalytic platforms for radical generation. Productive EDA catalysis requires coordinated donor–acceptor association, charge‐transfer excitation, radical reactivity, and vcatalyst turnover.
Tristan von Münchow, Andrea Palone, Jonathan Samuel Trimble, Paolo Melchiorre   +3 more
wiley   +2 more sources

Site‐Specific Protein Bioconjugation Through Cellular Incorporation of Noncanonical Amino Acids

Angewandte Chemie, EarlyView.
Genetic code expansion (GCE) enables site‐specific installation of noncanonical amino acids containing bioorthogonal conjugation handles, allowing precise, homogeneous protein modification. This review examines the principles of orthogonal translation, surveys the chemistries available for chemoselective labeling, and highlights emerging multi‐site ...
Rahul Sarkar, Manas Joshi, Abhishek Chatterjee   +2 more
wiley   +2 more sources