David Olid, Prof. Dr. Clara Viñas and Prof. Dr. Francesc Teixidor Li+-Mediated BC Cross-Coupling Chemistry - A European Journal 18
Easy as A, BC: BC cross-coupling on [3,3′-Co(8-I-1,2-C2B9H10)(1′,2′-C2B9H11)]−, −, the best specimen of metallacarboranes, is easily produced in a reaction mediated by Li+ in the absence of a transition-metal catalyst (see figure). Pure RLi or a mixture of Li reagents (tBuLi+RLi) is adequate to produce the BC bond. Notably, a threshold of RLi (or tBuLi+RLi)/−, 2:1, is required to initiate the BC coupling, which acts, at least in part, as a source of soluble Li+.
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