Process for selectively hydroformulating diolefin

Details Process for selectively hydroformulating diolefin Process for selectively hydroformulating diolefin

1990-03-02

1991-01-01

Lone, Werren B.

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

Organic compounds

Oxygen containing

568428, 568454, C07C 4550

Patent

active

049820079

ABSTRACT:
A process for selectively hydroformylating a diolefin, which comprises reacting a (1-arylethyl)vinylbenzene with carbon monoxide and hydrogen under the conditions of 40.degree. to 200.degree. C. in reaction temperature and 5 kg/cm.sup.2 or above in reaction pressure in the presence of a transition metal carbonylation catalyst to thereby selectively hydroformylating only the vinyl group and produce .alpha.-((1-arylethenyl)phenyl)propionaldehyde. The starting material to be hydroformylated may be a mixture of the (1-arylethenyl)vinylbenzene with a 1,1-di(substituted aryl)ethylene not substituted by a vinyl group.

REFERENCES:
patent: 4113781 (1978-09-01), Aquila et al.
patent: 4268688 (1981-05-01), Tinker et al.
patent: 4435585 (1984-03-01), Crameria et al.
patent: 4694100 (1987-09-01), Shimizu et al.

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