a Department of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi 621, Taiwan, ROC b Auspex Pharmaceuticals, Inc. 1261 Liberty Way, Suite C, Vista, CA 92081-8356, USA
Abstract:
A highly enantioselective proline catalyzed intramolecular Baylis-Hillman reaction of hept-2-enedial is reported. Addition of imidazole to the mixture results in an unusual inversion of enantioselectivity.