Front Cover: Insights into the Scholl Coupling Reaction: A Key Transformation of Relevance to the Synthesis of Graphenes and Related Systems (Eur. J. Org. Chem. 13/2017).

Autor: Little, Mark S., Yeates, Stephen G., Alwattar, Aula A., Heard, Kane W. J., Raftery, James, Edwards, Alyn C., Parry, Adam. V. S., Quayle, Peter
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Zdroj: European Journal of Organic Chemistry; 4/3/2017, Vol. 2017 Issue 13, p1674-1674, 1p
Abstrakt: The cover picture shows the structures that are obtained from the Scholl‐type dehydrogenative coupling of 4,10‐di‐substituted chrysene derivatives using 2,3‐dichloro‐5,6‐dicyano‐1,4‐benzoquinone (DDQ) in the presence of trifluoroacetic acid. The unexpected outcomes of these reactions (including hydroxylative dimerisation) are supported by single‐crystal X‐ray structure determinations and probed by DFT calculations. A mechanistic rational, which involves the generation of radical‐cation intermediates, is presented in order to explain the varied nature of the products. Details are discussed in the Full Paper by M. S. Little, S. G. Yeates, P. Quayle et al. on page 1694 ff (DOI: 10.1002/ejoc.201601580). [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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