T. Takemoto et al., Asymmetric synthesis of enantiomerically pure spiro[((2S)-hydroxy)indane-1,4 '-piperidine], TETRAHEDR-A, 10(9), 1999, pp. 1787-1793
We report herein, efficient and practical synthetic methods for the prepara
tion of enantiomerically pure spiro[((2S)-hydroxy)indane-1,4'-piperidine] (
S)-1, a key intermediate for the synthesis of a tachykinin receptor antagon
ist, using catalytic asymmetric reduction or catalytic asymmetric epoxidati
on as a key step. (C) 1999 Elsevier Science Ltd. All rights reserved.