ChemInform Abstract: A Powerful Hydrogen‐Bond‐Donating Organocatalyst for the Enantioselective Intramolecular Oxa‐Michael Reaction of α, β‐Unsaturated Amides and Esters. Issue 14 (8th April 2014) - Kobayashi, Yusuke; Taniguchi, Yamato; Hayama, Noboru; Inokuma, Tsubasa; Takemoto, Yoshiji