Results 261 to 270 of about 27,070,838 (300)

C−H Bond Functionalization by Mechanochemistry

Chemistry – A European Journal, 2017
AbstractThe advances made in the mechanosynthesis of inorganic and organometallic complexes and the excellent past developments with metal‐catalyzed cross‐coupling reactions by high‐speed ball milling have sufficienly laid the ground work for the merging of C−H functionalization and mechanochemical techniques.
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Borylation and Silylation of C–H Bonds: A Platform for Diverse C–H Bond Functionalizations

Accounts of Chemical Research, 2011
Methods that functionalize C-H bonds can lead to new approaches for the synthesis of organic molecules, but to achieve this goal, researchers must develop site-selective reactions that override the inherent reactivity of the substrates. Moreover, reactions are needed that occur with high turnover numbers and with high tolerance for functional groups if
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para-Selective C–H bond functionalization of iodobenzenes

Chemical Communications, 2016
An oxidation-induced strategy for para -C–H functionalization of iodobenzenes was demonstrated, which provides a general idea for the development of new, highly selective para -C–H functionalization reactions.
Ying, Zhao, Haiming, Yan, Hanwei, Lu, Zhiliang, Huang, Aiwen, Lei   +4 more
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1.3 C—H Bond Functionalization

2017
AbstractThis chapter deals with C—H bond functionalization catalyzed by N-heterocyclic carbene transition-metal complexes. The C—H bond functionalizations have been classified with respect to the hybridization of the carbon atom and the reaction type.
M. Elie, J.-L. Renaud, S. Gaillard
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Functionalization of Remote CH Bonds: Expanding the Frontier

Angewandte Chemie International Edition, 2014
Novel tool set: New methodologies for the functionalization of remote CH bonds have been developed recently. In diverse approaches high selectivities are achieved for the functionalization of less reactive C(sp(2) )H as well as C(sp(3) )H bonds distal to any substituents.
Johannes, Schranck, Anis, Tlili, Matthias, Beller   +2 more
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Catalytic C−H Bond Stannylation: A New Regioselective Pathway to C−Sn Bonds via C−H Bond Functionalization

Journal of the American Chemical Society, 2010
The ubiquitous Stille coupling reaction utilizes Sn-C bonds and is of great utility to organic chemists. Unlike the B-C bonds used in the Miyaura-Suzuki coupling reaction, which are readily obtained via direct borylation of C-H bonds, routes to organotin compounds via direct C-H bond functionalization are lacking.
Meghan E, Doster, Jillian A, Hatnean, Tamara, Jeftic, Sunjay, Modi, Samuel A, Johnson   +4 more
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Nickel complexes for catalytic C–H bond functionalization

Dalton Transactions, 2015
A search for fundamental understanding of how Ni complexes can be designed to undergo challenging C–H activation reactions provides an entry into unprecedented C–H functionalization reactions.
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Precise Functionalization of Remote C-H Bonds

Chemical Research in Chinese Universities, 2020
Remote C-H bond functionalization of arenes with precise control is a recognized extraordinary challenge in organic synthesis. Recently, Yu and Houk et al. developed an elegant strategy to distinguish and functionalize remote Csp2-H bonds of (hetero)arenes within one-bond distance by the interplay of a remote directing template and a transient ...
Zeshui Liu, Honggang Cheng, Qianghui Zhou   +2 more
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Selectivity enhancement in functionalization of C–H bonds: A review

Organic & Biomolecular Chemistry, 2010
The selectivity is an extremely important characteristic of a chemical reaction. This review deals mainly with supramolecular and nano-chemical approaches to the problem of selectivity enhancement in various functionalizations of C-H compounds. Enzyme mimics is a very fruitful method to achieve the predominant formation of desirable products and ...
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Selective Functionalization of C–H Bonds

2017
Jianhui Huang and Kang Zhao of Tianjin University devised (Chem. Commun. 2013, 49, 1211) a protocol for the oxidation of a terminal alkene 1 to the valuable four-carbon synthon 2. M. Christina White of the University of Illinois effected (J. Am. Chem. Soc. 2013, 135, 7831) the oxidation of the terminal alkene 3 to the enone 4.
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