ChemInform Abstract: Transition-Metal Free Umpolung Carbon-Nitrogen versus Carbon-Chlorine Bond Formation.

ChemInform ◽  
2016 ◽  
Vol 47 (4) ◽  
pp. no-no
Author(s):  
John J. Sirois ◽  
Brenton DeBoef
Keyword(s):  
Transition Metal ◽  
Bond Formation ◽  
Metal Free ◽  
Chlorine Bond

scholarly journals Transition-metal free umpolung carbon–nitrogen versus carbon–chlorine bond formation

2015 ◽  
Vol 56 (41) ◽  
pp. 5610-5612 ◽  
Author(s):  
John J. Sirois ◽  
Brenton DeBoef
Keyword(s):  
Transition Metal ◽  
Bond Formation ◽  
Metal Free ◽  
Chlorine Bond

Transition-Metal-Free Catalysis for the Reductive ­Functionalization of CO2 with Amines

Synlett ◽  
2018 ◽  
Vol 29 (05) ◽  
pp. 548-555 ◽  
Author(s):  
Liang-Nian He ◽  
Xiao-Fang Liu ◽  
Xiao-Ya Li ◽  
Chang Qiao
Keyword(s):  
Transition Metal ◽  
Energy Content ◽  
Bond Formation ◽  
Energy Storage Materials ◽  
One Pot ◽  
Metal Free ◽  
Recent Developments ◽  
Electron Reduction ◽  
Reduction Of Co2 ◽  
Hierarchical Reduction

Reductive functionalization of CO2 with amines and a reductant, which combines both reduction of CO2 and C–N bond formation in one pot to produce versatile chemicals and energy-storage materials such as formamides, aminals, and methylamines that are usually derived from petroleum feedstock, would be appealing and promising. Herein, we give a brief review on recent developments in the titled CO2 chemistry by employing transition-metal-free catalysis, which can be catalogued as below according to the diversified energy content of the products, that is formamides, aminals, and methylamines being consistent with 2-, 4-, and 6-electron reduction of CO2, respectively. Notably, hierarchical reduction of CO2 with amines to afford at least two products, for example, formamides and methylamines, could be realized with the same catalyst through tuning the hydrosilane type, reaction temperature, or CO2 pressure. Finally, the opportunities and challenges of the reductive functionalization of CO2 with amines are also highlighted.1 Introduction2 2-Electron Reduction of CO2 to Formamide3 6-Electron Reduction of CO2 to Methylamine4 4-Electron Reduction of CO2 to Aminal5 Hierarchical Reduction of CO2 with Amines6 Conclusion

Recent Advances in Radical Initiated C-N Bond Formation under Transition Metal-Free Conditions

2017 ◽  
Vol 37 (3) ◽  
pp. 566 ◽  
Author(s):  
Sitian Yuan ◽  
Yanhua Wang ◽  
Guanyinsheng Qiu ◽  
Jinbiao Liu
Keyword(s):  
Transition Metal ◽  
Bond Formation ◽  
Metal Free ◽  
Recent Advances

ChemInform Abstract: A One-Pot, Transition-Metal-Free Procedure for C-O, C-S, and C-N Bond Formation at the Benzylic Position of Methylarenes.

ChemInform ◽  
2015 ◽  
Vol 46 (39) ◽  
pp. no-no
Author(s):  
Hiroyuki Shimojo ◽  
Katsuhiko Moriyama ◽  
Hideo Togo
Keyword(s):  
Transition Metal ◽  
Bond Formation ◽  
One Pot ◽  
Metal Free

C–H Bond Formation with Boronic Acids and Derivatives by Transition-Metal-Free Conjugate Addition Reactions

Synthesis ◽  
2016 ◽  
Vol 48 (14) ◽  
pp. 2165-2177 ◽  
Author(s):  
Aurelio Csákÿ ◽  
Francisco Sánchez-Sancho
Keyword(s):  
Transition Metal ◽  
Bond Formation ◽  
Conjugate Addition ◽  
Boronic Acids ◽  
Addition Reactions ◽  
Metal Free

Synthesis of 6-substituted indoloquinazolinones from arynes and 2-acyl-4-quinazolinones: a transition-metal free C–N and C–C bond formation strategy

2020 ◽  
Vol 44 (41) ◽  
pp. 17938-17953
Author(s):  
Abhilash Sharma ◽  
Pranjal Gogoi
Keyword(s):  
Transition Metal ◽  
Direct Synthesis ◽  
Bond Formation ◽  
Reaction Vessel ◽  
Metal Free ◽  
Synthetic Strategy ◽  
Single Reaction

A versatile transition-metal free synthetic strategy has been developed for the direct synthesis of 6-substituted indoloquinazolinones from 2-acyl-4-quinazolinones and aryne precursors. This cascade strategy proceeds via successive C–N and C–C bond formation in a single reaction vessel.

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