scholarly journals Scope and Mechanistic Study of the Ruthenium-Catalyzed ortho-C—H Bond Activation and Cyclization Reactions of Arylamines with Terminal Alkynes.

ChemInform ◽  
2006 ◽  
Vol 37 (15) ◽  
Author(s):  
Chae S. Yi ◽  
Sang Young Yun
Keyword(s):  
Bond Activation ◽  
Mechanistic Study ◽  
Terminal Alkynes ◽  
Cyclization Reactions

Mechanistic Study and Development of Catalytic Reactions of Sm(II)

2018 ◽  
Author(s):  
Sandepan Maity ◽  
Robert Flowers
Keyword(s):  
Molecular Weight ◽  
High Molecular Weight ◽  
Proton Donor ◽  
Catalytic Reactions ◽  
Mechanistic Study ◽  
Mechanistic Studies ◽  
Cyclization Reactions ◽  
Mechanistic Approach ◽  
Donor Source

Despite the broad utility and application of SmI<sub>2</sub>in synthesis, the reagent is used in stoichiometric amounts and has a high molecular weight, resulting in a large amount of material being used for reactions requiring one or more equivalents of electrons. We report mechanistic studies on catalytic reactions of Sm(II) employing a terminal magnesium reductant and trimethyl silyl chloride in concert with a non-coordinating proton donor source. Reactions using this approach permitted reductions with as little as 1 mol% Sm. The mechanistic approach enabled catalysis employing HMPA as a ligand, facilitating the development of catalytic Sm(II) 5-<i>exo</i>-<i>trig </i>ketyl olefin cyclization reactions.

scholarly journals A kinetico-mechanistic study on the C–H bond activation of primary benzylamines; cooperative and solid-state cyclopalladation on dimeric complexes

2014 ◽  
Vol 43 (36) ◽  
pp. 13525 ◽  
Author(s):  
Helena Font ◽  
Mercè Font-Bardia ◽  
Kerman Gómez ◽  
Gabriel González ◽  
Jaume Granell ◽  
...  
Keyword(s):  
Solid State ◽  
Bond Activation ◽  
Mechanistic Study ◽  
Dimeric Complexes

Turning Frustration into Bond Activation: A Theoretical Mechanistic Study on Heterolytic Hydrogen Splitting by Frustrated Lewis Pairs

2008 ◽  
Vol 120 (13) ◽  
pp. 2469-2472 ◽  
Author(s):  
Tibor András Rokob ◽  
Andrea Hamza ◽  
András Stirling ◽  
Tibor Soós ◽  
Imre Pápai
Keyword(s):  
Bond Activation ◽  
Mechanistic Study ◽  
Frustrated Lewis Pairs ◽  
Lewis Pairs

Development and Mechanistic Study of Quinoline-Directed Acyl C–O Bond Activation and Alkene Oxyacylation Reactions

2017 ◽  
Vol 82 (6) ◽  
pp. 2972-2983 ◽  
Author(s):  
Giang T. Hoang ◽  
Dylan J. Walsh ◽  
Kathryn A. McGarry ◽  
Constance B. Anderson ◽  
Christopher J. Douglas
Keyword(s):  
Bond Activation ◽  
Mechanistic Study

Mechanistic Study and Development of Catalytic Reactions of Sm(II)

2018 ◽  
Author(s):  
Sandepan Maity ◽  
Robert Flowers
Keyword(s):  
Molecular Weight ◽  
High Molecular Weight ◽  
Proton Donor ◽  
Catalytic Reactions ◽  
Mechanistic Study ◽  
Mechanistic Studies ◽  
Cyclization Reactions ◽  
Mechanistic Approach ◽  
Donor Source

Despite the broad utility and application of SmI<sub>2</sub>in synthesis, the reagent is used in stoichiometric amounts and has a high molecular weight, resulting in a large amount of material being used for reactions requiring one or more equivalents of electrons. We report mechanistic studies on catalytic reactions of Sm(II) employing a terminal magnesium reductant and trimethyl silyl chloride in concert with a non-coordinating proton donor source. Reactions using this approach permitted reductions with as little as 1 mol% Sm. The mechanistic approach enabled catalysis employing HMPA as a ligand, facilitating the development of catalytic Sm(II) 5-<i>exo</i>-<i>trig </i>ketyl olefin cyclization reactions.

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