The role of organic electron donors in the initiation of BHAS base-induced coupling reactions between haloarenes and arenes

Smith, Andrew J. and Poole, Darren L. and Murphy, John A. (2019) The role of organic electron donors in the initiation of BHAS base-induced coupling reactions between haloarenes and arenes. Science China Chemistry, 62 (11). pp. 1425-1438. ISSN 1869-1870

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    Abstract

    Coupling reactions between haloarenes and arenes (including heteroarenes) that are conducted without added transition metals but in the presence of KOtBu or NaOtBu, have been a topic of great interest since their discovery in 2008. Diverse organic structures act as additives that assist these reactions. These additives are converted into organic electron donors by the butoxide base and this leads to initiation of the coupling reactions, which proceed by radical chain mechanisms. This review provides an overview of the initiation stages of these reactions.