Cobalt‐Catalyzed Coupling of Benzoic Acid C−H Bonds with Alkynes, Styrenes, and 1,3‐Dienes

Publisher： John Wiley & Sons Inc

E-ISSN： 1521-3757|130|6|1704-1707

ISSN： 0044-8249

Source： ANGEWANDTE CHEMIE, Vol.130, Iss.6, 2018-02, pp. : 1704-1707

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Abstract

AbstractA method for cobalt‐catalyzed, carboxylate‐directed functionalization of arene C−H bonds is reported. Alkynes, styrenes, and 1,3‐dienes can be coupled with benzoic acids to provide cyclic products in good yields. The reactions proceed in the presence of a cobalt(II) hexafluoroacetylacetonate catalyst, (TMS)2NH base, Ce(SO4)2 cooxidant, and oxygen oxidant.

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