Process for the preparation of beta-disubstituted monocarboxylic

Details Process for the preparation of beta-disubstituted monocarboxylic Process for the preparation of beta-disubstituted monocarboxylic

1983-10-07

1985-08-20

Evans, J. E.

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

Organic compounds

Carboxylic acids and salts thereof

260413, 562500, 562501, 562502, 562504, 562606, C07C 5100, C07C 53126, C07C 53132, C07C 53134

Patent

active

045365946

ABSTRACT:
A process for the preparation of beta-disubstituted monocarboxylic acids derived from tertiary acyclic, monocyclic or bicyclic hydrocarbons. The process consists in reacting said hydrocarbons with vinylidene chloride and either a functional compound where the molecule includes a tertiary carbon atom bonded to the heteroatom of a functional group such as a tertiary alcohol, an ether, or a tertiary halide or an alkene, in the presence of a concentrated protonic acid. The reaction can be carried out in the presence of a catalyst of the Lewis acid type and particularly BF.sub.3. These acids are useful as synthesis intermediates and as additives for oils and lubricants.

REFERENCES:
patent: 2370494 (1945-02-01), Schmerling
patent: 3637821 (1972-01-01), Bott

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