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Chiral Brønsted Acid Catalyzed Enantioselective α-Aminoxylation of Enecarbamates

✍ Scribed by Min Lu; Dr. Yunpeng Lu; Di Zhu; Xiaofei Zeng; Dr. Xinsheng Li; Prof. Dr. Guofu Zhong

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
682 KB
Volume
122
Category
Article
ISSN
0044-8249

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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.