Journal
SYNLETT
Volume -, Issue 11, Pages 1775-1778Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2005-871540
Keywords
Suzuki-Miyaura coupling; cross-coupling; biaryl formation; dibromoarenes
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A highly selective monoarylation of dibromoarenes was performed via the Suzuki-Miyaura cross-coupling with arylboronic acids with an amphiphilic polystyrene-poly(ethylene glycol) (PS-PEG) resin-supported phosphine-palladium complex in water under heterogeneous conditions to give bromobiaryls in high yields. Introduction of two different aryl groups on a aromatic moiety was achieved in a one-pot reaction by successive addition of two kinds of arylboronic acids under similar conditions. The polymeric palladium catalyst can be readily recovered and recycled.
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