Hydroformylation process for preparation of predominantly linear

Details Hydroformylation process for preparation of predominantly linear Hydroformylation process for preparation of predominantly linear

1977-06-23

1979-01-30

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603409R, 260599, 260604HF, 560262, C07D31904

Patent

active

041372409

ABSTRACT:
A process for the hydroformylation of terminally unsaturated olefinic compounds by carrying out the hydroformylation under a continuously decreasing partial pressure of carbon monoxide to achieve a high linear to branched-chain ratio of aldehydes without a reduction in reaction rate, said process comprising conducting the hydroformylation at an initial total carbon monoxide and hydrogen pressure of from 40 to 500 psia the mole ratio of hydrogen to carbon monoxide being 1:1 or greater and adjusting downward the partial pressure of CO continuously until at least a 25% reduction in the partial pressure of carbon monoxide in the range of from 1 to 40 psi absolute is reached.

REFERENCES:
patent: 3527809 (1970-09-01), Pruett et al.
patent: 3929915 (1975-12-01), Cumbo et al.
patent: 3963754 (1976-06-01), Cumbo et al.
patent: 4003918 (1977-01-01), Hughes
Marko et al., Magyar Asvanyolajes Foldgazkiserleti Integet and Peti Nitrogenmuvek, Hung. 152,607 (Cl. C07C), Jan. 22, 1966.
Pino et al., Chem. Ind. (Milan), 50(1), 106-118 (1968) (Ital.).

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