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US 6,143,920 AGranted
Process for the preparation of methoxyacetic acid esters
AssigneeHuels Aktiengesellschaft
InventorsWolfgang Kleemiss, Klaus-Dieter Steffen, Marcel Feld
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Abstract
The invention relates to a process for the preparation of methoxyacetic acid esters in which a chloroacetic acid ester is reacted with an alkali metal methoxide to give the methoxyacetic acid ester.
Claims17
A process for the preparation of a methoxyacetic acid ester, comprising reacting a chloroacetic acid ester with an alkali metal methoxide to give a methoxyacetic acid ester;
- transesterifying said first methoxyacetic acid ester with a higher alcohol in the presence of an excess of alkali metal alkoxide catalyst to give a second methoxyacetic acid ester of said higher alcohol;
- wherein said methoxyacetic acid ester is transesterified without isolation.
Dependencies are inferred from the claim text.