Results 51 to 60 of about 26,559,672 (198)

Ru-Catalyzed C–H Arylation of Fluoroarenes with Aryl Halides [PDF]

, 2016
Although the ruthenium-catalyzed C–H arylation of arenes bearing directing groups with haloarenes is well-known, this process has never been achieved in the absence of directing groups.
Igor Larrosa (1348515), Cambeiro, Xacobe C., Gregory J. P. Perry, Cambeiro, XC, Gregory J. P. Perry (2545606), Arokianathar, JN, Larrosa, Igor, Julia-Hernandez, Francisco, Julia-Hernandez, F, Perry, Gregory J.P., Arokianathar, Jude N., Jude N. Arokianathar, Perry, GJP, Perry, Gregory J. P., Marco Simonetti, Xacobe C. Cambeiro (1913665), Juliá Hernández, Francisco, Simonetti, Marco, Simonetti, M, Francisco Julia‐Hernandez, Jude N. Arokianathar (2545609), Xacobe C. Cambeiro, Marco Simonetti (2545603), Igor Larrosa, Francisco Juliá-Hernández (1396783), Larrosa, I   +25 more
core   +1 more source

New Transient Directing Group: Diethoxyethyl-L-Proline Facilitate Mono ortho-Arylation at Ar-yl-Amines/-Amino acids via Pd-Catalysed C(sp2)-H Activation [PDF]

, 2022
The mono-ortho-arylated arylamines are constituents of various natural products but their syntheses are challenging. This report describes the new synthetic methodology for mono-ortho-arylation of aryla-mines and α-aromatic amino acids (Phenyl glycine ...
Nagendra, Sharma, Subhashree , Panda
core   +2 more sources

Exogenous Directing Group Free, Ligand-Enabled gamma-C(sp3)–H Arylation of Free Primary Aliphatic Amines and α-Amino Esters [PDF]

, 2019
A Pdᴵᴵ-catalyzed, ligand-enabled gamma-C(sp3)–H arylation of free primary aliphatic amines and amino esters without using an exogenous directing group is reported.
Gang, Li, Xiaoxi, Chen, Yongzheng, Ding, yuzhen, gao, Shuai, Fan   +4 more
core   +2 more sources

Pd‐Catalyzed Asymmetric Dearomative Heck/Tsuji‐Trost Difunctionalization of Naphthalenes

Advanced Science, EarlyView.
We have developed a palladium‐catalyzed asymmetric dearomative Heck/Tsuji‐Trost 1,4‐difunctionalization reaction of naphthalenes, affording 4‐aminospirocyclohexene oxindole products bearing two remote chiral centers. Through the effect of the newly designed chiral sulfinamide phosphine ligand with large steric hindrance, side reactions are inhibited ...
Long‐Ling Ma, Bing Xu, Junliang Zhang, Zhan‐Ming Zhang   +3 more
wiley   +1 more source

Recent Developments in C–H Activation for Materials Science in the Center for Selective C–H Activation

Molecules, 2018
Organic electronics is a rapidly growing field driven in large part by the synthesis of π-conjugated molecules and polymers. Traditional aryl cross-coupling reactions such as the Stille and Suzuki have been used extensively in the synthesis of &pi ...
Junxiang Zhang, Lauren J. Kang, Timothy C. Parker, Simon B. Blakey, Christine K. Luscombe, Seth R. Marder   +5 more
doaj   +1 more source

Dual Catalytic Platform for Enabling sp3 a C–H Arylation & Alkylation of Benzamides

, 2020
A dual catalytic sp3 α C–H arylation and alkylation of benzamides with organic halides is described. This protocol exhibits an exquisite site selectivity, chemoselectivity, and enantioselectivity pattern, offering a complementary reactivity mode to ...
J. Montgomery, H. Yin, L Xu, R. Martin-Montero, C. Romano, A. W. Rand, R. Martin, J. Giacoboni   +7 more
core   +1 more source

Site-selective α-C(sp3)–H arylation of dialkylamines via hydrogen atom transfer catalysis-enabled radical aryl migration

Nature Communications
Site-selective C(sp3)–H arylation is an appealing strategy to synthesize complex arene structures but remains a challenge facing synthetic chemists. Here we report the use of photoredox-mediated hydrogen atom transfer (HAT) catalysis to accomplish the ...
Jie Xu, Ruihan Li, Yijian Ma, Jie Zhu, Chengshuo Shen, Heng Jiang   +5 more
doaj   +1 more source

Copper-catalyzed CuAAC/intramolecular C–H arylation sequence: Synthesis of annulated 1,2,3-triazoles

Beilstein Journal of Organic Chemistry, 2012
Step-economical syntheses of annulated 1,2,3-triazoles were accomplished through copper-catalyzed intramolecular direct arylations in sustainable one-pot reactions.
Rajkumar Jeyachandran, Harish Kumar Potukuchi, Lutz Ackermann   +2 more
doaj   +1 more source

Photocatalytic (Hetero)Arylation of C(sp3)–H Bonds with Carbon Nitride [PDF]

, 2020
Polymeric graphitic carbon nitride materials have attracted significant interest in recent years and found applications in diverse light-to-energy conversions such as artificial photosynthesis, CO2 reduction or degradation of organic pollutants. However,
Markus, Antonietti, Joshua, Barham, Kathiravan, Murugesan, GONZALO JAVIER VILLEGAS, RODRIGUEZ, Burkhard, Koenig, Jaspreet, Kaur, Saikat, Das, Aleksandr, Savateev   +7 more
core   +2 more sources

Pd(II)-Catalyzed Pyridine N-Oxides Directed Arylation of Unactivated C-sp(3)-H Bonds

, 2015
A novel Pd(II)-catalyzed pyridine hi-oxide directed remote arylation of unactivated C-sp(3)-H bonds in aliphatic amides with aryl iodides has been developed.
Zeng, Wei, Liu, Jianzhong, Lin, Dongen, Zeng, W (reprint author), S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Guangdong, Peoples R China., Xie, Ying, Deng, Yuanfu, Lu, Xiaoxia   +6 more
core   +1 more source