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The selective hydrogenation of trans-cinnamaldehyde (CAL) has been investigated with several types of multiphase reaction systems using Ru–phosphine complex catalysts in the presence of high-pressure CO 2 . The selective formation of an unsaturated alcohol, cinnamyl alcohol (COL), can be achieved in an organic solvent free two-phase system, which includes the liquid (CAL, Ru complex) and gas...
This paper reports a direct route for the preparation of cyclic styrene carbonate from styrene, which avoids the preliminary synthesis and isolation of styrene oxide. A catalyst system consisting of Au/SiO 2 , zinc bromide, and tetrabutylammonium bromide (Bu 4 NBr) has been applied to the one-pot synthesis of styrene carbonate from styrene, organic peroxide, and CO 2 . Au/SiO...
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