Silica Based Cocatalysts for Heterogeneous Olefin Dimerization and Ethene Polymerization Reactions with Nickel Complexes

ChemCatChem ◽  
2012 ◽  
Vol 4 (5) ◽  
pp. 660-667 ◽  
Author(s):  
Matthias Dötterl ◽  
Helmut G. Alt
Keyword(s):  
Nickel Complexes ◽  
Ethene Polymerization

Spatiotemporal Control of Amide Radicals During Photocatalysis

2020 ◽  
Author(s):  
Shogo Mori ◽  
Takahiro Aoki ◽  
Kaliyamoorthy Selvam ◽  
Shunichi Fukuzumi ◽  
Jieun Jung ◽  
...  
Keyword(s):  
Organic Synthesis ◽  
Nickel Complex ◽  
Nickel Complexes ◽  
Semiconductor Material ◽  
Radical Reactions ◽  
Substitution Reactions ◽  
Carbon Neutrality ◽  
Spatiotemporal Control ◽  
Scalable Production ◽  
Salt Waste

Despite the continuing popularity of radical reactions in organic synthesis, much remains to be explored in this area. Herein, we describe how spatiotemporal control can be exerted over the formation and reactivity of divergent exchangeable formamide radicals using nickel complexes with a semiconductor material (TiO<sub>2</sub>) under irradiation from near-UV–Vis light. Depending on the bipyridine ligand used and the quantity of the nickel complex that is hybridized on or nonhydridized over the TiO<sub>2</sub> surface, these radicals selectively undergo substitution reactions at the carbon center of carbon–bromine bonds that proceed via three different pathways. As the scalable production of formamides from CO<sub>2</sub> does not produce salt waste, these methods could add a new dimension to the search for carbon neutrality through the indirect incorporation of CO<sub>2</sub> into organic frameworks.

Synthesis of unsaturated amines from butadiene and allylamines in presence of palladium and nickel complexes

1978 ◽  
Vol 27 (6) ◽  
pp. 1230-1232 ◽  
Author(s):  
U. M. Dzhemilev ◽  
F. A. Selimov ◽  
A. Z. Yakupova ◽  
G. A. Tolstikov
Keyword(s):  
Nickel Complexes

Progress in preparation and characterization of silylene iron, cobalt and nickel complexes

2021 ◽  
Author(s):  
Wenjing Yang ◽  
Yanhong Dong ◽  
Hongjian Sun ◽  
Xiaoyan Li
Keyword(s):  
Nickel Complexes ◽  
Electron Cloud ◽  
Synthesis And Characterization ◽  
Iron Cobalt ◽  
Cloud Density ◽  
Cobalt And Nickel

The synthesis and characterization of Fe, Co and Ni complexes supported by silylene ligands in recent ten years are summarized. Due to the decrease of electron cloud density on Si...

S,C- and S,S-coupling via dithiolate transfer reactions from tin to nickel complexes

2009 ◽  
pp. 6825 ◽  
Author(s):  
Elena Cerrada ◽  
Ana Moreno ◽  
Mariano Laguna
Keyword(s):  
Nickel Complexes ◽  
Transfer Reactions

Mechanistic studies of DNA and RNA oxidation by macrocyclic nickel complexes.

1993 ◽  
Vol 51 (1-2) ◽  
pp. 517
Author(s):  
James G. Muller ◽  
Ping Zheng ◽  
Chien-Chung Cheng ◽  
Ren-Hwa Yeh ◽  
Steven E. Rokita ◽  
...  
Keyword(s):  
Nickel Complexes ◽  
Mechanistic Studies ◽  
Dna And Rna ◽  
Rna Oxidation ◽  
Macrocyclic Nickel
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