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Hammann, Jeffrey M.; Thomas, Lucie; Chen, Yi-Hung; Haas, Diana; Knochel, Paul (2017): Cobalt-Catalyzed Cross-Couplings of Bench-Stable Alkynylzinc Pivalates with (Hetero)Aryl and Alkenyl Halides. In: Organic Letters, Vol. 19, Nr. 14: S. 3847-3850
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Abstract

A catalytic system consisting of CoCl2 center dot 2LiCl and TMEDA enables the cross-coupling Of Various electron-poor aryl and heteroaryl halides with various alkyfiylzinc pivalates. coupling with alkenyl halides proceeds with retention of configuration.