caa a22 4500 445388129 CHVBK 20180317143038.0 cr unu---uuuuu 170323e20110801xx s 000 0 eng 10.1007/s11144-011-0322-3 doi (NATIONALLICENCE)springer-10.1007/s11144-011-0322-3 Enantio-differentiating hydrogenation of methyl acetoacetate over tartaric acid-NaBr-modified Raney nickel catalyst under a low hydrogen pressure [Elektronische Daten] [Tsutomu Osawa, Mari Onogi, I-Yin Lee, Tadao Harada] The enantio-differentiating hydrogenation of methyl acetoacetate was carried out over a (R,R)-tartaric acid-NaBr-modified Raney nickel catalyst under low hydrogen pressure. The rate of the supply of hydrogen on the catalyst surface would be an important factor for attaining high enantioselectivity, especially under low hydrogen pressure. A maximum enantioselectivity of 82% was attained under an initial hydrogen pressure of 0.2MPa at 333K with a high stirring rate. Akadémiai Kiadó, Budapest, Hungary, 2011 Tartaric acid-modified nickel nationallicence Low hydrogen pressure nationallicence Methyl acetoacetate nationallicence Stirring rate nationallicence Enantio-differentiating hydrogenation nationallicence Osawa Tsutomu Graduate School of Science and Engineering for Research, University of Toyama, 930-8555, Toyama, Japan aut Onogi Mari Graduate School of Science and Engineering for Research, University of Toyama, 930-8555, Toyama, Japan aut Lee I-Yin Graduate School of Science and Engineering for Research, University of Toyama, 930-8555, Toyama, Japan aut Harada Tadao Faculty of Science and Technology, Ryukoku University, 520-2194, Otsu, Japan aut Reaction Kinetics, Mechanisms and Catalysis Springer Netherlands 103/2(2011-08-01), 443-449 1878-5190 103:2<443 2011 103 11144 https://doi.org/10.1007/s11144-011-0322-3 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11144-011-0322-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Osawa Tsutomu Graduate School of Science and Engineering for Research, University of Toyama, 930-8555, Toyama, Japan aut NATIONALLICENCE 700 1- Onogi Mari Graduate School of Science and Engineering for Research, University of Toyama, 930-8555, Toyama, Japan aut NATIONALLICENCE 700 1- Lee I-Yin Graduate School of Science and Engineering for Research, University of Toyama, 930-8555, Toyama, Japan aut NATIONALLICENCE 700 1- Harada Tadao Faculty of Science and Technology, Ryukoku University, 520-2194, Otsu, Japan aut NATIONALLICENCE 773 0- Reaction Kinetics, Mechanisms and Catalysis Springer Netherlands 103/2(2011-08-01), 443-449 1878-5190 103:2<443 2011 103 11144 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer