| Sulfamic acid as a cost-effective and recyclable solid acid catalyst for Friedel–Crafts alkylation of indole with α,β-unsaturated carbonyl compound and benzyl alcohol |
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| 作者姓名： | Jing Yang Juan Zhang Tian Tian Chen De Mei Sun Ji Li Xue Fen Wu |
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| 作者单位： | a Henan University of Traditional Chinese Medicine, Zhengzhou 450008, China;b Henan Chemical Industry Research Institute Co., Ltd., Zhengzhou 450052, China;c Institute of Chemistry, Henan Academy of Science, Zhengzhou 450002, China |
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| 基金项目： | the financial support from the Doctoral Research Fund of Henan University of Traditional Chinese Medicine |
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| 摘 要： | Sulfamic acid was proved to be a cost-effective and recyclable catalyst for Friedel-Crafts type reaction of indole withα,β-unsaturated carbonyl compound and benzyl alcohol.Various indoles,α,β-unsaturated carbonyl compounds and a benzyl alcohol were successfully used in this type of reaction,and the corresponding products were obtained in good to excellent yields.
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| 关 键 词： | Sulfamic acid Michael reaction of indole Acid catalysis Alkylation of indole with benzyl alcohol |
| 收稿时间： | 25 April 2011 |
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