Palladium(II) chloride/EDTA-catalyzed biaryl homo-coupling of aryl halides in aqueous medium in the presence of ascorbic acid |
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| Authors: | Ram N Ram Virinder Singh |
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| Institution: | Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110 016, India |
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| Abstract: | Both electron-deficient and electron-rich aryl bromides undergo biaryl homo-coupling in a basic aqueous-ethanolic medium in the presence of PdCl2-EDTA (1:1 molar ratio, 3 mol %) as catalyst and ascorbic acid as reductant (1 mol equiv) in acceptable to good yields. |
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| Keywords: | Aryl halides Biaryls Reductive homo-coupling Palladium chloride EDTA Ascorbic acid Aqueous medium |
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