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The role of organic electron donors in the initiation of BHAS base-induced coupling reactions between haloarenes and arenes
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作者 Andrew J.Smith Darren L.Poole John A.Murphy 《Science China Chemistry》 SCIE EI CAS CSCD 2019年第11期1425-1438,共14页
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 discove... 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. 展开更多
关键词 ORGANIC ELECTRON donor potassium tert-butoxide ELECTRON transfer base-promoted homolytic AROMATIC substitution(BHAS) coupling BENZYNE
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