Department of Chemistry, University of Houston, Houston, TX, 77204-5003, USA.
Angew Chem Int Ed Engl. 2018 Feb 5;57(6):1688-1691. doi: 10.1002/anie.201711968. Epub 2018 Jan 10.
A 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) NH base, Ce(SO ) cooxidant, and oxygen oxidant.
本文报道了一种钴催化、羧酸导向的芳基 C-H 键功能化方法。炔烃、苯乙烯和 1,3-二烯可以与苯甲酸偶联,以良好的收率得到环状产物。反应在钴(II)六氟乙酰丙酮酸盐催化剂、(TMS)NH 碱、Ce(SO )共氧化剂和氧气氧化剂的存在下进行。