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Synfacts 2016; 12(3): 0289
DOI: 10.1055/s-0035-1561257
DOI: 10.1055/s-0035-1561257
Metal-Mediated Synthesis
Catalytic Conjunctive Cross-Coupling
Weitere Informationen
Publikationsverlauf
Publikationsdatum:
16. Februar 2016 (online)
Significance
Morken and co-workers report a catalytic conjunctive cross-coupling of organoborates, organolithium reagents and organotriflates for the synthesis of chiral boronic acids with high enantioselectivity.
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Comment
The intermediate boronic ester ate-complex reacts in a palladium-induced metallate rearrangement, wherein 1,2-migration of an alkyl or aryl group from the boron atom to the vinyl α-carbon occurs simultaneously with C–Pd σ-bond formation.
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