Amino acid salt catalyzed intramolecular Robinson annulation.
Pingfan Li, Hisashi Yamamoto
Index: Chem. Commun. (Camb.) (36) , 5412-4, (2009)
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Abstract
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.
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