Process for producing hydroxybutyraldehyde

Details Process for producing hydroxybutyraldehyde Process for producing hydroxybutyraldehyde

1979-08-27

1981-06-23

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568454, 568489, 568862, C07C 4719

Patent

active

042752434

ABSTRACT:
An organic tri-substituted phosphine having a boiling point of at least 200.degree. C. and a reaction medium having a boiling point of at least 200.degree. C. are used in a hydroformylation of allyl alcohol with carbon monoxide and hydrogen in the presence of a rhodium complex catalyst. The concentration of the organic phosphine is 5.times.10.sup.-4 to 0.3 mol. per 1 liter of the reaction medium. The reaction medium is distilled at lower than 80.degree. C. under a reduced pressure and the bottom residue as the catalyst solution is recycled. The hydroformylation can be repeated by using the bottom residue as the catalyst solution.

REFERENCES:
patent: 3511880 (1970-05-01), Booth
patent: 3515757 (1970-06-01), Silbert
patent: 3946082 (1976-03-01), McVivker et al.
patent: 4064145 (1977-12-01), Taylor

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