| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 08.00 |
| PATENT ASSIGNEE | Albemarle |
| PATENT CLAIMS |
Process for the direct prepn of a (1-haloalkyl)benzoic acid ester from alkylbenzoic acid ester in which the alkyl group is a primary or sec alkyl group & wherein the ester group (i) is devoid of non-aromatic unsaturation & (ii) if an aromatic group, is devoid of ring substitution that would undergo benzylic halogenation, said process comprising - Slowly feeding halogen continuously to an agitated soln of said alkylbenzoic acid ester in a liquid halogen-contg sol vent maintained at thermal halogenation T such that when the alkyl is primary alkyl, the total amount of halogen fed < 0.8 mole of halogen/mole of alkylbenzoic acid ester |
| PATENT PHOTOCOPY | Available on request |
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