The University of Chicago, Department of Chemistry, 5735 S Ellis Ave, Chicago, IL 60637, USA.
Chem Commun (Camb). 2009 Sep 28(36):5412-4. doi: 10.1039/b912325c. Epub 2009 Aug 4.
The silica gel absorbed amino acid salt catalyzed asymmetric intramolecular Robinson annulation reaction has been developed; up to 97% ee was obtained with this readily recoverable organocatalyst.
发展了硅胶吸附氨基酸盐催化的不对称分子内 Robinson 环化反应;使用这种易于回收的有机催化剂,可获得高达 97%的对映选择性。