Process for the preparation of carboxylic acids starting from ol

Details Process for the preparation of carboxylic acids starting from ol Process for the preparation of carboxylic acids starting from ol

1984-04-12

1985-07-30

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

502154, 502155, 502164, 562493, 562538, 562540, 562543, 562544, C07C 51285, C07C 51245

Patent

active

045320799

ABSTRACT:
Process for the preparation of a monocarboxylic or dicarboxylic acid by oxidative scission of an olefine or its corresponding vicinal dihydroxy compound.
An olefine of the formula R.sub.1 --CH.dbd.CH--R.sub.2 or R.sub.1 --CH.dbd.CH.sub.2 or a vicinal dihydroxy compound of formula R.sub.1 --CHOH--CHOH--R.sub.2 or R.sub.1 --CHOH--CH.sub.2 OH (wherein R.sub.1 and R.sub.2 are either equal to or different from each other, and possibly substituted with groups inert under the reaction conditions, represent hydrocarbon groups such as the alkyls having up to 30 carbon atoms; the cycloalkyls, possibly branched or substituted and having from 3 to 12 carbon atoms; the aryls and alkylaryls having from 6 to 12 carbon atoms; moreover, R.sub.1 and R.sub.2 may be bound to each other so as to form a cyclic alkenyl or cycloalkyl having up to 12 carbon atoms) are reacted, with vigorous stirring, with H.sub.2 O.sub.2, at a temperature between 0.degree. and 120.degree. C., and under a pressure of between 1 and 100 atmospheres; and including an aqueous phase containing H.sub.2 O.sub.2 and an organic phase consisting or consisting essentially of a solvent, the olefine or the vicinal dihydroxy compound, and a catalyst.

REFERENCES:
patent: 2437648 (1948-03-01), Milos
J. Am. Oil Chemists Soc. 44 316-320 (1967) Luoug, et al., "Direct Hydroxylation of Fats".
J. Catalysis 19 256-263 (1970) Allan, et al., "Macromolecular Organometallic Catalysis".

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