Highly Enantioselective Addition of Diphenylzinc to Aliphatic and Aromatic Aldehydes Catalyzed by a Readily Available H8-Binol Derivative
β Scribed by Ying-Chuan Qin; Lin Pu
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 131 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0044-8249
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π SIMILAR VOLUMES
Chiral a-substituted benzyl alcohols are ubiquitous in the structure of organic compounds. A straightforward synthesis of these compounds involves the nucleophilic addition of a phenyl-metal reagent to an aldehyde which produces a carbon-carbon bond and a stereogenic center simultaneously. Because o
## Abstract βThree alkyltitanium reagents of RTi(Oβ__i__βPr)~3~ (R = Cy (**1a**), __i__βBu (**1b**), and __n__βBu (**1c**)) were prepared in good yields. The highβresolution mass spectroscopy showed that **1b** and 1**c** in the gas phase are monomeric species. However, the solid state of **1a** re