期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 54, 期 22, 页码 6608-6612出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201501536
关键词
asymmetric catalysis; BrOnsted acids; cycloaddition; ion pairs; organocatalysis
资金
- National Science Foundation [CHE-1300382]
A readily available chiral BrOnsted acid was identified as an efficient catalyst for intramolecular Povarov reactions. Polycyclic amines containing three contiguous stereogenic centers were obtained with excellent stereocontrol in a single step from secondary anilines and aldehydes possessing a pendent dienophile. These transformations constitute the first examples of catalytic enantioselective intramolecular aza-Diels-Alder reactions.
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