Eumelanin as a support for efficient palladium nanoparticle catalyst for Suzuki coupling reaction of aryl chlorides in water |
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| Authors: | Young-O Kim Jae Myoung You Hyung-Seok Jang Seo Keong Choi Byeong Yun Jung Onyu Kang Jung Won Kim Yoon-Sik Lee |
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| Institution: | 1. School of Chemical & Biological Engineering, Seoul National University, Seoul 151-744, Republic of Korea;2. Department of Chemical Engineering, Kangwon National University, Samcheck, Kangwon-Do 245-711, Republic of Korea |
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| Abstract: | Eumelanin-supported palladium (Pd) nanoparticle (NP) catalysts was found to exhibit excellent catalytic activities with high turnover number (TON, 2000) and turnover frequency (TOF, 1000 h?1) for Suzuki cross coupling reaction of aryl chlorides in water. We propose that the amphiphilic property of the eumelanin support helps Pd NPs to catalyse the C–C coupling reaction in water through hydrophobic effect. |
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| Keywords: | Eumelanin support Palladium catalyst C–C coupling in water |
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