Enantioselective Michael addition of 3(2H)-furanones to α,β-unsaturated aldehydes catalyzed by a diphenylprolinol silyl ether

2014 
Abstract Enantioselective Michael addition of simple 3(2 H )-furanones to α,β-unsaturated aldehydes has been described. The protocol provides a simple and efficient access to complex 3(2 H )-furanones containing adjacent quaternary and tertiary stereocenters in high yields with moderate diastereoselectivities and excellent enantioselectivities.
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