Tetrahedron p. 285 - 304 (1994)
Update date:2022-09-26
Topics:
Larhed, Mats
Andersson, Carl-Magnus
Hallberg, Anders
Palladium-catalyzed arylation reactions of <2-(Dimethylamino)ethoxy>ethene (1) with a series of aryl triflates were performed under a variety of reaction conditions.In particular, the influence of phosphine ligands and halide additives on regioselectivity were studied.It was found that the chelation-controlled arylation of 1 affords an expedient route for the conversion of phenols into arylacetaldehydes.Alternatively, the same starting materials could be used to synthesize acetophenones by reversing the regioselectivity with bidentate phosphine ligands.
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