Direct asymmetric aldol reactions in brine using novel sulfonamide catalyst

作者:Miura Tsuyoshi*; Yasaku Yumi; Koyata Naka; Murakami Yasuoki; Imai Nobuyuki
来源:Tetrahedron Letters, 2009, 50(22): 2632-2635.
DOI:10.1016/j.tetlet.2009.03.053

摘要

Direct asymmetric aldol reactions of aldehydes with ketones in the presence of a catalytic amount of sulfonamide 4 and trifluoroacetic acid afforded the corresponding anti-aldol products in moderate to excellent yields with 85-93% ee.

  • 出版日期2009-6-3