Chiral Brønsted Acid Catalyzed Pinacol R
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Tao Liang; Zhenjie Zhang; Prof. Dr. Jon C. Antilla
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Article
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2010
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John Wiley and Sons
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English
⚖ 270 KB
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directly by flash column chromatography on silica gel (hexanes/ EtOAc = 10:1 to 5:1) to afford product 2 a (30.6 mg, 94 % yield, 96 % ee). Enantiomeric excess was determined by HPLC analysis using a chiral column.