Process for preparing pentenals

Details Process for preparing pentenals Process for preparing pentenals

1996-08-15

1997-11-04

Geist, Gary

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

Organic compounds

Oxygen containing

568451, C07C 4550

Patent

active

056842082

ABSTRACT:
In the process for hydroformylation of 1,3-butadiene with carbon monoxide and hydrogen to form pentenals, the improvement comprising effecting the hydroformylation with 1,3-butadiene dissolved in an inert reaction medium at 100.degree. to 180.degree. C. at 5 to 35 MPa in the presence of an aqueous solution of a rhodium/phosphine complex and optionally a further phosphine as catalyst.

REFERENCES:
patent: 4248802 (1981-02-01), Kuntz et al.
patent: 5434312 (1995-07-01), Fell et al.

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