Abstract

Dehydrogenative coupling (DC) reactions are of importance for the construction of new carbon-element bonds in synthetic organic chemistry. In this work, we report on the synthesis and characterization of several redox-active guanidino-functionalized aromatic molecules (GFAs) for use in DC (C-C and C-O) reactions. In a systematic approach, we first characterize the new DC reagents in all relevant redox and protonation states, and compare their performance in competitive test proton-coupled electron transfer (PCET) reactions. Then, their use in four different DC reactions with different mechanisms is evaluated.

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