2013•ChemInformRequires access
ChemInform Abstract: Enantioselective Michael Addition of 4‐Hydroxycoumarins to β,γ‐Unsaturated α‐Oxophosphonates Catalyzed by a Bifunctional Squaramide Bearing a Structurally Rigid 9,10‐Ethylene‐9,10‐dihydroanthracene Skeleton.
Xufang Chang, Qiaohui Wang, Youming Wang, Haibin Song, Zhenghong Zhou, Chuchi Tang
Open publisher page 0 citations
Abstract
Abstract The structurally rigid, new bifunctional squaramide organocatalyst shown demonstrates great advantages over previously reported thiourea or squaramide catalysts in terms of activity and enantioselectivity in the title Michael addition reaction.