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An unexpected inversion of enantioselectivity in the proline catalyzed intramolecular Baylis-Hillman reaction
Authors:Shang-Hung Chen  Cheng-Feng Su
Institution: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.
Keywords:Baylis-Hillman  Proline  Intramolecular  Inversion
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