Enantioselective synthesis of branched allylic esters via rhodium-catalyzed coupling of allenes with carboxylic acids

J Am Chem Soc. 2011 Dec 28;133(51):20746-9. doi: 10.1021/ja210149g. Epub 2011 Dec 1.

Abstract

We report on the first intermolecular asymmetric catalytic regio- and enantioselective addition of carboxylic acids to terminal allenes to form valuable branched allylic esters, employing a rhodium(I)/(R,R)-DIOP catalyst system.