Organoborane catalyzed regioselective 1,4-hydroboration of pyridines.


A bulky organoborane Ar(F)2BMe (Ar(F) = 2,4,6-tris(trifluoromethyl)phenyl, 1) has been synthesized. In C6D6 solution this organoborane and pyridine form a frustrated Lewis pair. Under mild conditions, 1 can efficiently catalyze 1,4-hydroboration of a series of pyridines. This reaction is highly chemo- and regioselective. The reaction intermediate, a… (More)
DOI: 10.1021/jacs.5b03147


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