A Highly Efficient and Chemoselective Method for Acetalization of Carbonyl Compounds Catalyzed by TiO2/SO42- Solid Superacid.
โ Scribed by Yan-Ran Ma; Tong-Shou Jin; Sheng-Xun Shi; Tong-Shuang Li
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 87 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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โฆ Synopsis
Abstract
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Tungsten Hexachloride (WCl 6 ), a Highly Efficient and Chemoselective Catalyst for Acetalization of Carbonyl Compounds. -Aldehydes and ketones (I) are converted chemoselectively into their corresponding 1,3-dioxanes (V) or diethyl acetals (III) in the presence of catalytic amounts of tungsten hexac