Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1978-12-01
1980-09-09
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
252431P, 568909, 568455, C07C 4510
Patent
active
042217440
ABSTRACT:
An improved process for hydroformylating an ethylenically-unsaturated compound to form an aldehyde derivative thereof in the presence of rhodium hydridocarbonyl in complex combination with an organic ligand, characterized by employing as said organic ligand a compound having two phosphino moieties, one being of the formula: ##STR1## and the other being of the formula: ##STR2## wherein R.sub.1, R.sub.2, R.sub.1 ', and R.sub.2 ' are organic radicals at least one of which contains an electronegative substituent moiety. The presence of the electronegative substituent in the ligand leads to an increased ratio of linear aldehyde to branched-chain aldehyde in the hydroformylation reaction product.
REFERENCES:
patent: 3527809 (1970-09-01), Pruett
patent: 3978101 (1976-09-01), Aviron-Violet
patent: 4139565 (1979-02-01), Unruh et al.
Bishop et al., "J. Organometal Chem.", vol. 27, p. 241 (1971).
Yudina et al., "Izv. Akad Nauk, SSSR", Ser. khim, pp. 1954-1958 (1966).
Issleib et al., "Chem. Ber.", vol. 92, pp. 2681-2694 (1959).
Houben-Weyl, "Methoden Der Organische Chemie", vol. 21/1, pp. 23-24.
Marchuk et al., "Chem. Abst.", vol. 66, p. 7609v.
Celanese Corporation
Lone Werren B.
Pritchett Ralph M.
LandOfFree
Hydroformylation process employing rhodium-based catalysts compr does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hydroformylation process employing rhodium-based catalysts compr, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydroformylation process employing rhodium-based catalysts compr will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2224041