Fatty oil ex helianthus annuus for the production of diperazelai

Details Fatty oil ex helianthus annuus for the production of diperazelai Fatty oil ex helianthus annuus for the production of diperazelai

1988-05-06

1994-01-11

Dees, Jose G.

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

Organic compounds

Fatty compounds having an acid moiety which contains the...

562524, C07C 5116

Patent

active

052783278

ABSTRACT:
The use of a fatty oil ex Helianthus annuus containing 78 to 92% by weight oleic acid and 2 to 10% by weight linoleic acid for the production of diperazelaic acid, with elimination of enrichment steps with respect to the oleic acid content, by fat splitting, distillation, oxidative ozonolysis of the fatty acid mixture obtained, and reaction of the azelaic acid thus obtained with hydrogen peroxide to form diperazelaic acid. The resulting diperazelaic acid has improved stability in storage and is obtained in high yields and in highly pure form.

REFERENCES:
patent: 2450858 (1948-10-01), Fitzpatrick et al.
patent: 2813113 (1957-11-01), Goebel et al.
patent: 2877266 (1959-03-01), Korach
patent: 4147720 (1979-04-01), Berkowitz
patent: 4244884 (1981-01-01), Hutchins et al.
patent: 4627192 (1986-12-01), Fick
D. Swern et al., J. Am., Chem. Soc., 79, 1957, pp. 1929 et seq.

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