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2005
Sulfoxides
Q 0600
33- 098
Palladium-Catalyzed α-Arylation of Sulfoximines. — Various phenyl benzyl sulfoximines [cf. (VIII)] are readily available via palladium-catalyzed α-arylation. The appropriate combination of palladium source, ligand, and base is crucial. Ester (I) proved
to be a particularly suitable starting material for both the coupling and the subsequent
deprotection steps. The desired final products are obtained as a mixture of diastereomers. Reaction of (I) with dibromobenzene (IV) affords (V) and a dicoupled product
(VI). — (CHO, G. Y.; BOLM*, C.; Org. Lett. 7 (2005) 7, 1351-1354; Inst. Org.
Chem., RWTH Aachen, D-52074 Aachen, Germany; Eng.) — R. Steudel
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