Control of self-aldol condensation by pressure manipulation under compressed CO2 |
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| Authors: | Matsui Keitaro Kawanami Hajime Ikushima Yutaka Hayashi Hiromichi |
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| Affiliation: | Supercritical Fluid Research Center, National Institute of Advanced Industrial Science and Technology, 4-2-1 Nigatake, Miyagino-ku, Sendai, Miyagi 983-8551, Japan. |
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| Abstract: | Under supercritical CO2 conditions, simple adjustment of the pressure was found to successfully control the ratio of aldol to enal product in the self-aldol condensation of aldehyde, in which the enal product was obtained in a maximum selectivity of 94% at the critical pressure of 12MPa, whereas 85% selectivity to the aldol product was achieved at the subcritical region. |
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