Metallaelectro-Catalyzed C─H Activations by 3d Transition Metals

by Cong Tian
Doctoral thesis
Date of Examination:2020-09-07
Date of issue:2020-09-17
Advisor:Prof. Dr. Lutz Ackermann
Referee:Dr. Shoubhik Das
Referee:Prof. Dr. Sven Schneider
Referee:Dr. Michael John
Referee:Dr. Holm Frauendorf
Referee:Prof. Dr. Johannes C. L. Walker
Persistent Address: http://dx.doi.org/10.53846/goediss-8202

 

 

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Abstract

English

The functionalization of C–H bonds largely relies on organic (pseudo-)halide electrophiles as coupling partners, which results in stoichiometric quantities of undesired by-products. Therefore, to achieve better resource economy, the formation of C–C bonds can be realized by activation of two C–H bonds in a dehydrogenative fashion. Nearly full atom-economy can be achieved by oxidative C–H activations with molecular hydrogen as the only by-product, while the step-economy is improved by avoiding the use of prefunctionalized substrates. Recently, merged with electrochemistry, the often toxic, sacrificial chemical oxidants for oxidative C–H activations can be replaced by sustainable electricity as redox reagents, which further developed oxidative metallaelectro-catalyzed C–H activations with oxidant- economy nature.
Keywords: C-H activation; Electrochemistry; 3d metal
 
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