Process for the production of polybasic acid esters with recover

Details Process for the production of polybasic acid esters with recover Process for the production of polybasic acid esters with recover

1989-10-27

1990-11-27

Lone, Werren B.

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

Organic compounds

Carboxylic acid esters

502 31, 502 56, 502203, 560190, C07C 67465

Patent

active

049737430

ABSTRACT:
This invention provides a process for preparing an oligomer of at least one polyunsaturated aliphatic C.sub.12-22 monocarboxylic acid ester in the presence of boron trifluoride resulting in a high yield or predominantly trimeric product which, upon hydrolysis, affords a high yield of polybasic, predominantly trimeric, acids. This invention further provides such a process with excellent recovery of the boron trifluoride.

REFERENCES:
patent: 3000964 (1961-09-01), Milligan
patent: 3929749 (1975-12-01), Cooper et al.
patent: 4017548 (1977-04-01), Petrille
Croston et al., Journal of the American Oil Chemists' Society, (Aug. 1952), pp. 331-333.
Ghodssi et al., Bulletin de la SocieteChimique de France, No. 4, (1970), pp. 1461-1466.

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