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ChemInform Abstract: Spiroborate Esters in the Borane-Mediated Asymmetric Synthesis of Pyridyl and Related Heterocyclic Alcohols.

✍ Scribed by Viatcheslav Stepanenko; Melvin De Jesus; Wildeliz Correa; Irisbel Guzman; Cindybeth Vazquez; Lymaris Ortiz; Margarita Ortiz-Marciales


Publisher
John Wiley and Sons
Year
2008
Weight
50 KB
Volume
39
Category
Article
ISSN
0931-7597

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Chiral Borate Esters in Asymmetric Synth
✍ Dejun Liu; Zixing Shan; Yan Zhou; Xiaojun Wu; Jingui Qin πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 German βš– 212 KB

## Abstract Asymmetric catalytic activity of the chiral spiroborate esters **1**–**9** with a O~3~BN framework (see __Fig.β€…1__) toward borane reduction of prochiral ketones was examined. In the presence of 0.1β€…equiv. of a chiral spiroborate ester, prochiral ketones were reduced by 0.6β€…equiv. of bor