The Ullmann Coupling Reaction of Axially Chiral (<i>S</i>)-2,2′-Bis(1-iodo-2-naphthyloxycarbonyl)-1,1′-binaphthyl

Abstract

Abstract The intramolecular Ullmann coupling of the title diester proceeded in low yield but with virtually complete asymmetric induction in joining the two naphthyl units leading to the 12-membered cyclic diester of (S,S)-configuration, which is the same diastereomer obtained from the reaction of (S)-2,2′-bis(1-bromo-2-naphthoyloxy)-1,1′-binaphthyl.