Synthesis of 2-substituted indoles by palladium-catalyzed heteroannulation with Pd-NaY zeolite catalysts |
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| Authors: | Ki Bum Hong Eul Kgun Yum |
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| Institution: | a Department of Chemistry, Chungnam National University, Yusung, Taejon 305-764, South Korea
b Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology, PO Box 107, Yusung, Taejeon 305-600, South Korea |
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| Abstract: | Various 2-substituted indoles were prepared by heteroannulation of o-iodoanilines and terminal alkynes in a one-pot reaction with a Pd(II)-NaY zeolite catalyst. The product formation largely depended on the solvent, base, and reaction temperature. The recycled catalyst showed good reusability in the heteroannulation reaction. |
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| Keywords: | 2-Substituted indole Pd-Zeolite Catalyst Heteroannualtion Terminal alkynes |
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