Transition-Metal-Catalyzed Alkylation of Polyfluoroarenes through C–F Bond Cleavage

Synlett ◽  
2021 ◽  
Author(s):  
Tao Xiong ◽  
Qian Zhang ◽  
Qian Zhang

AbstractThe polyfluoroarenes are a subgroup of organofluorines that are widely utilized in both medicinal chemistry and materials science. We briefly summarize recent advances in the synthesis of these important compounds, with particular attention to our recent CuH-catalyzed defluorinative alkylation of polyfluoroarenes with alkenes in a highly site-selective C–F bond-cleavage fashion.1 Introduction2 Transition-Metal-Catalyzed Alkylation through Selective C–F Bond Cleavage3 CuH-Catalyzed Defluorinative Alkylation of Polyfluoroarenes with Alkenes4 Summary and Outlook

Synthesis ◽  
2021 ◽  
Author(s):  
Leonid Fershtat ◽  
Fedor Teslenko

Five-membered heterocyclic N-oxides attracted special attention due to their strong application potential in medicinal chemistry and advanced materials science. In this regard, novel methods for their synthesis and functionalization are constantly required. In this short review, recent state-of-the-art achievements in the chemistry of isoxazoline N-oxides, 1,2,3-triazole 1-oxides and 1,2,5-oxadiazole 2-oxides are briefly summarized. Main routes to transition-metal-catalyzed and metal-free functionalization protocols along with mechanistic considerations are outlined. Transformation patterns of the hetarene N-oxide rings as precursors to other nitrogen heterocyclic systems are also presented.


2020 ◽  
Vol 7 (8) ◽  
pp. 1022-1060 ◽  
Author(s):  
Wenbo Ma ◽  
Nikolaos Kaplaneris ◽  
Xinyue Fang ◽  
Linghui Gu ◽  
Ruhuai Mei ◽  
...  

This review summarizes recent advances in C–S and C–Se formations via transition metal-catalyzed C–H functionalization utilizing directing groups to control the site-selectivity.


2021 ◽  
Vol 444 ◽  
pp. 214065
Author(s):  
Priyanka Chakraborty ◽  
Rajib Mandal ◽  
Nidhi Garg ◽  
Basker Sundararaju

RSC Advances ◽  
2021 ◽  
Vol 11 (13) ◽  
pp. 7146-7179
Author(s):  
P. V. Saranya ◽  
Mohan Neetha ◽  
Thaipparambil Aneeja ◽  
Gopinathan Anilkumar

Spirooxindoles are used as anticancer-, antiviral-, antimicrobial agents etc. The use of transition metals as catalysts for the synthesis of spirooxindoles is advancing rapidly. Here, we focus on recent advances in transition metal-catalyzed synthesis of spirooxindoles.


Synthesis ◽  
2021 ◽  
Author(s):  
Jonas Felix Goebel ◽  
Zhongyi Zeng ◽  
Lukas Goossen

The use of electricity as an inexpensive and waste-free oxidant opens up new opportunities for the development of sustainable C–H functionalization reactions. Herein we summarize recent advances in the synthesis of biaryls through electrooxidative processes involving transition metal catalyzed ortho-directed C−H activation. A particular focus is set on electrooxidative C−H/C−M couplings and dehydrogenative couplings.


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