Abstract
Catalytic asymmetrization of meso-3,7-bis-tert-butyldimethylsiloxycycloheptene occurs in the presence of a chiral rhodium(I) binap catalyst to give optically active 4-tert-butyldimethylsiloxycycloheptanone in 70% ee after hydrolytic workup, the (R)-enantiomer of which has been transformed into (-)–(S)-physoperuvine, the major alkaloid of Physalis peruviana.
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