期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 34, 页码 11971-11976出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201602236
关键词
bond activation; coupling reactions; guanidine; redox chemistry
资金
- Deutsche Forschungsgemeinschaft
We present a new option for metal-free sigma-bond activation, making use of oxidized, guanidino-functionalized aromatic compounds (GFAs). We demonstrate this new option by the homocoupling reactions of thiols and phosphines. The kinetics and the reaction pathway were studied by a number of experiments (including heterocoupling of thiols and phosphines), supported by quantum-chemical computations. Reaction of the oxidized GFA with p-dihydrobenzoquinone to give p-benzoquinone shows that typical proton-coupled electron-transfer reactions are also possible.
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