Heterogeneous asymmetric hydrogenation of heteroaromatic methyl ketones catalyzed by cinchona-modified iridium catalysts |
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| Institution: | 1. Department of Chemical Engineering, National Taiwan University of Science and Technology, 43 Section 4, Keelung Road, Taipei 10607, Taiwan;2. Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, 43 Section 4, Keelung Road, Taipei 10607, Taiwan;3. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC) and CIBER en Bioingenieria, Biomateriales y Nanomedicina (CIBER-BBN), C/ Jordi Girona 18-26, 08034 Barcelona, Spain;1. Department of Engineering Science, College of Engineering, University of Tehran, P.O. Box 11365-4563, Tehran, Islamic Republic of Iran;2. Department of Chemistry, Faculty of Sciences, Shahrekord University, P.O. Box 115, Shahrekord, Islamic Republic of Iran;3. Nanotechnology Research Center, Shahrekord University, 8818634141 Shahrekord, Islamic Republic of Iran;4. Department of Physics, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Islamic Republic of Iran;5. Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Islamic Republic of Iran;1. Department of Mechanical & Industrial Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA;2. Process Technologies Department, ExxonMobil Research & Engineering, Annandale, NJ 08801, USA;1. Energy Materials and Convergence Research Department, Korea Institute of Energy Research, 71-2 Jang-dong, Yuseong-gu, Daejeon 305-343, Republic of Korea;2. Jeju Global Research Center, Korea Institute of Energy Research, 200, Haemajihaean-ro, Gujwa-eup, Jeju Special Self-Governing Province 695-971, Republic of Korea |
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| Abstract: | A heterogeneous iridium catalyst was synthesized with silica particles as support for the hydrogenation of heteroaromatic methyl ketones. The catalyst and support were characterized by solid-state NMR, HTEM, SEM, XPS, and BET. A series of heteroaromatic methyl ketones were investigated at room temperature. The catalytic system was effective and more than 99% conversion and up to 83.6% enantioselectivity were obtained in the hydrogenation of heteroaromatic methyl ketones. |
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