Phosphino-ferrocene ligands

Details Phosphino-ferrocene ligands Phosphino-ferrocene ligands

1977-08-08

1979-05-01

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260604HF, C07F 1702

Patent

active

041523440

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:
bishop et al., J. Organometal Chem., 27 241 & 244 (1971).
Chemical Abstracts 63, 18147b-d (1965).
Chemical Abstracts 58, 11398b (1963).
Evans et al., J. of Chem. Soc. A, pp. 3133-3142, (1968).
Knifton, J. Org. Chem. 41, No. 17, pp. 2885-2890, (1976).
Pruett, J. Org. Chem. 34 No. 2, pp. 227-330, (1969).
Tanaka et al., Bull. of the Chem. Soc. of Japan, vol. 50 (9) pp. 2351-2357, (1977).

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