Racemization of optically active 2,2-dimethyl-3-(1'-alkenyl)-cyc

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260514H, C17C 6118

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active

039897508

ABSTRACT:
A method for racemization of optically active 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylic acids of the formula: ##EQU1## wherein R.sub.1 and R.sub.2 are each a hydrogen atom or an alkyl group having 1 to 4 carbon atoms or, when taken together with the carbon atom to which they are attached, represent a cycloalkylidene group having 4 to 6 carbon atoms, which comprises the step of contacting the corresponding acid halide with a Lewis acid.

REFERENCES:
patent: 3794680 (1974-02-01), Matsui et al.

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