Results 21 to 30 of about 3,837,372 (238)

Ruthenium-catalyzed C–H activation of thioxanthones

Beilstein Journal of Organic Chemistry, 2015
Thioxanthones – being readily available in one step from thiosalicylic acid and arenes – were used in ruthenium-catalyzed C–H-activation reaction to produce 1-mono- or 1,8-disubstituted thioxanthones in good to excellent yields.
Danny Wagner, Stefan Bräse
doaj   +1 more source

Ruthenium-Catalyzed Oxidative Synthesis of N-(2-triazine)indoles by C-H Activation

Molecules, 2023
1,3,5 triazines, especially indole functionalized triazine derivatives, exhibit excellent activities, such as anti-tumor, antibacterial, and anti-inflammatory activities.
Ming Zeng, Jiaqi Chen, Fengye Li, Haojie Li, Lan Zhao, Dengzhao Jiang, Jun Dai, Wenbo Liu   +7 more
doaj   +1 more source

Hydroarylations by cobalt-catalyzed C–H activation

Beilstein Journal of Organic Chemistry, 2018
As an earth-abundant first-row transition metal, cobalt catalysts offer a broad range of economical methods for organic transformations via C–H activation.
Rajagopal Santhoshkumar, Chien-Hong Cheng   +1 more
doaj   +1 more source

Competitive Activation of a Methyl C−H Bond of Dimethylformamide at an Iridium Center [PDF]

, 2009
During the synthesis of [AsPh_4][Ir(CO)_2I_3Me] by refluxing IrCl_3·3H_2O in DMF (DMF = dimethylformamide) in the presence of aqueous HCl, followed by sequential treatment with [AsPh_4]Cl, NaI, and methyl iodide and finally recrystallization from ...
Bercaw, John E., Day, Michael W., Henling, Lawrence M., Labinger, Jay A., Scott, Valerie J.   +4 more
core   +1 more source

Regioselective C-H Functionalization of the Six-Membered Ring of the 6,5-Fused Heterocyclic Systems: An Overview

Molecules, 2021
The regioselective C-H functionalization of the five-membered ring of the 6,5-fused heterocyclic systems is nowadays well documented due to its high reactivity compared to the six-membered ring.
Soukaina Faarasse, Nabil El Brahmi, Gérald Guillaumet, Saïd El Kazzouli   +3 more
doaj   +1 more source

Photoinduced homolytic C–H activation in N-(4-homoadamantyl)phthalimide

Beilstein Journal of Organic Chemistry, 2011
N-(4-homoadamantyl)phthalimide (5) on excitation and population of the triplet excited state underwent intramolecular H-abstractions and gave products 6 and 7.
Nikola Cindro, Margareta Horvat, Kata Mlinarić-Majerski, Axel G. Griesbeck, Nikola Basarić   +4 more
doaj   +1 more source

Hydrogen Motion in Magnesium Hydride by NMR [PDF]

, 2008
In coarse-grained MgH2, the diffusive motion of hydrogen remains too slow (
Bormann, Rüdiger, Bowman, Robert C., Jr., Carl, Erik A., Conradi, Mark S., Corey, Robert L., Dornheim, Martin, Huot, Jaques, Ivancic, Timothy M., Shane, David T., Stowe, Ashley C., von Colbe, Jose M. Bellosta, Zidan, Ragaiy   +11 more
core   +1 more source

Enantioselective Rhodium-Catalyzed C–C Bond Activations

CHIMIA, 2010
The catalytic activation of carbon–carbon single bonds represents a major challenge in organometallic chemistry. Strained ring substrates occupy in this respect a privileged role as their inherent ring strain facilitates the desired metal ...
Tobias Seiser, Nicolai Cramer
doaj   +1 more source

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 S. J., Lazreg, Faima, Lesieur, Mathieu   +2 more
core   +1 more source

Rh(III)-catalyzed directed C–H bond amidation of ferrocenes with isocyanates

Beilstein Journal of Organic Chemistry, 2012
[RhCp*(OAc)2(H2O)] [Cp* = pentamethylcyclopentadienyl] catalyzed the C–H bond amidation of ferrocenes possessing directing groups with isocyanates in the presence of 2 equiv/Rh of HBF4·OEt2.
Satoshi Takebayashi, Tsubasa Shizuno, Takashi Otani, Takanori Shibata   +3 more
doaj   +1 more source