Abstract:Herein, a novel palladium-catalyzed regioselective diarylation/deamination
of homoallylamines is described. During the process, a ubiquitous
free amine (NH2) was used as the directing group to accomplish
the regioselective δ,δ-diarylation and it was removed
in situ to form the privileged 1,1,4,4-tetraaryl-1,3-butadiene motif.
This chelate-controlled Heck-type approach eliminates the traditional
need of preinstalled and hard removable directing groups, proceeds
under simple conditions, and exhibits good toleran… Show more
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