New trends in the kinetics of hydroformylation of vinyl acetate using Rh complex catalysts |
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| Institution: | 1. Technical and Macromolecular Chemistry, University of Paderborn, Warburger Straße 100, 33098 Paderborn, Germany;2. Materials Chemistry, RWTH Aachen University, Aachen, Germany;1. School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang 453003, China;2. Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China;1. L.V. Pisarzhevsky Institute of Physical Chemistry of the NAS of Ukraine, 31 Prosp. Nauky, 03028 Kyiv, Ukraine;2. Sorbonne Universités, UPMC Univ Paris 06, CNRS, UMR 7197, Laboratoire de Réactivité de Surface, F-75005 Paris, France;1. Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Zhejiang University, 38 Zheda Road, Hangzhou 310027, China;2. College of Chemical and Biological Engineering, Zhejiang University, 38 Zheda Road, Hangzhou 310027, China;1. Boreskov Institute of Catalysis SB RAS, Lavrentieva str, 5, Novosibirsk 630090, Russia;2. Novosibirsk State University, Pirogova str., 2, Novosibirsk 630090, Russia;3. Ascend Performance Materials LLC., P.O. Box 97, Gonzalez, FL 32560-0097, USA |
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| Abstract: | The kinetics of hydroformylation of vinyl acetate using Rh(CO)2Cl]2 complex catalyst has been investigated at 80 °C. The trends are quite different from those observed for the HRh(CO)(PPh3)3-catalyzed systems. The dependence of the rate on P(H2) and P(CO) was found to be linear, whereas the dependence of rate on vinyl acetate concentration was found to be first order, followed by substrate-inhibited kinetics at higher olefin concentrations. The rate dependence on the catalyst concentration was found to be fractional order. A rate equation has been proposed and kinetic parameters evaluated. |
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