Process for preparing dienoic acids

Details Process for preparing dienoic acids Process for preparing dienoic acids

1981-12-23

1984-08-14

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260410, C11C 100, C09F 508

Patent

active

044656343

ABSTRACT:
This invention relates to a process for preparing dienoic acids.
In particular, the present invention relates to a catalytic process for preparing octadienoic acids from 3-butenoic acids and butadiene.
More particularly the present invention is directed to the preparation of octadienoic acids haing the two double bonds in position 3,6 and 2,6 in respect of the carboxylic carbon, starting from 3-butenoic acids and butadiene in the presence of complex catalysts of Rhodium or of Nickel.

REFERENCES:
patent: 2823216 (1958-02-01), Moote et al.
patent: 3032583 (1962-05-01), Chiusoli et al.
patent: 3075010 (1963-01-01), Schmerling et al.
patent: 3493590 (1970-02-01), Chabardes
patent: 3644497 (1972-02-01), Mesich
patent: 4093815 (1978-06-01), Stapp
patent: 4123465 (1978-10-01), Valentine
patent: 4293499 (1981-10-01), Hughes
patent: 4309357 (1982-01-01), Chiusoli et al.

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