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- W2088654577 abstract "Rh(PPh3)3Cl complex exchanged with modified montmorillonite clay at room temperature gave a (Rh(PPh3)3)+ species, 1, anchored in the hydration layers of the clay. Hydroformylation of allyl alcohol catalysed by 1 at 70°C and 60 atm of CO+H2 (1:1) gave Γ-hydroxybutyraldehyde (96%) and 2-methyl-3-hydroxypropionaldehyde (4%). The kinetics of hydroformylation of allyl alcohol catalysed by 1 was studied in the concentrations range of catalyst 0.1 to 0.75 mM, allyl alcohol 0.025 to 0.25 M, CO+H2 (1:1) pressure 5 to 30 atm and temperature between 70 to 90°C. The rates of hydroformylation of allyl alcohol catalysed by 1 showed a first order dependence with respect to catalyst, allyl alcohol (up to 0.1 M), CO and H2 concentrations respectively. Substrate inhibition effect was observed when the substrate/catalyst mole ratio exceeds 440. The insoluble catalyst residue formed during substrate inhibition runs showed an IR stretching at 630 cm−3 which was attributed to the formation of RhII-allylic complex. Repeated use of the separated catalyst for 60 h showed no loss in catalytic activity in hydroformylation of allyl alcohol." @default.
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- W2088654577 date "1994-07-01" @default.
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- W2088654577 title "Hydroformylation of allyl alcohol catalysed by (Rh(PPh3)3)+/montmorillonite: A kinetic study" @default.
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- W2088654577 doi "https://doi.org/10.1016/0304-5102(94)00036-0" @default.
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