Clay (Montmorillonite K10) Catalysis of the Michael Addition of α,β-Unsaturated Carbonyl Compounds to Indoles: The Beneficial Role of AlcoholsDurch Montmorillonit-K10 katalysierte Michael-Addition von α,β-ungesättigten Carbonylverbindungen an Indole: Zur unterstützenden Wirkung von Alkoholen

被引:0
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作者
Jacques H. Poupaert
Jacques Bukuru
Andrea Gozzo
机构
[1] Medicinal Chemistry,
[2] School of Pharmacy,undefined
[3] Faculty of Medicine,undefined
[4] UCL,undefined
[5] B-1200 Brussels,undefined
[6] Belgium,undefined
关键词
Keywords. Michael addition; Indole; Montmorillonite K10; Alcohol.;
D O I
10.1007/PL00010274
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学科分类号
摘要
 The Michael addition of methylvinylketone to indole can be performed under smooth conditions by running the reaction in the presence of an acidic clay catalyst (K10 Montmorillonite) and an aliphatic alcohol such as ethanol or 2-propanol. Presence of an alcohol along with a polar solvent (nitromethane) in the reaction medium considerably improves the reaction.
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页码:929 / 932
页数:3
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