Asymmetric Polymerization of Dialdehyde and Bis(allylsilane) in the Presence of Chiral (Acyloxy)borane Catalyst
✍ Scribed by Kumagai, Toshihiro; Itsuno, Shinichi
- Book ID
- 125999843
- Publisher
- American Chemical Society
- Year
- 2001
- Tongue
- English
- Weight
- 69 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0024-9297
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📜 SIMILAR VOLUMES
## Abstract Asymmetric catalytic activity of the chiral spiroborate esters **1**–**9** with a O~3~BN framework (see __Fig. 1__) toward borane reduction of prochiral ketones was examined. In the presence of 0.1 equiv. of a chiral spiroborate ester, prochiral ketones were reduced by 0.6 equiv. of bor
## Abstract A new __C__~2~‐symmetric chiral catalyst 3,5‐bis[(2__S__)‐(hydroxy‐diphenylmethyl)‐ pyrrolidin‐1‐ylmethyl]‐1,3,4‐oxadiazole was successfully synthesized by the reaction of 2,5‐dichloromethyl‐1,3,4‐oxadiazole with (__S__)‐α,α‐diphenyl‐2‐pyrrolidinemethanol, and applied to the catalytic a