Asymmetric Michael Addition of 1-Acetylindolin-3-ones to β-Nitrostyrenes Catalyzed by Bifunctional Thioureas: A Simple Access to 2-Functionalized Indoles
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The first asymmetric Michael addition of 1-acetylindolin-3-ones to β-nitrostyrenes has been developed. 2-Substituted indolin-3-one derivatives were obtained with excellent yields (up to 99%) and good stereoselectivities (up to 28:1 dr and 92% ee), which could be transformed into 2-functionalized indoles easily without racemization. This achievement might further contribute to the chemistry and pharmacology of indole-related compounds.
创建时间：
2011-04-15
