Intermolecular rhodium catalyzed hydroacylation of allenes: the regioselective synthesis of β,γ-unsaturated ketones
作者:Helen E. Randell-Sly、James D. Osborne、Robert L. Woodward、Gordon S. Currie、Michael C. Willis
DOI:10.1016/j.tet.2009.03.054
日期:2009.6
A variety of β-S-substituted aldehydes undergo efficient and regioselectiverhodiumcatalyzedhydroacylation reactions with 1,3-disubstituted and 1,1,3-trisubstituted allenes, to deliver β,γ-unsaturated ketone products. Regioselectivites are controlled primarily by steric factors. The reactions are catalyzed by the complex [Rh(dppe)]ClO4.