Process for the preparation of isovanillin
First Claim
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1. A process for the preparation of isovanillin, comprising carrying out a dealkylation, selectively in the 3-position of a 3-alkoxy-4-methoxybenzaldehyde using a strong acid wherein said alkoxy group has at least two carbon atoms .
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Abstract
The present invention relates to a novel process for the preparation of isovanillin.
The process for the preparation of isovanillin according to the invention is characterized in that it consists in dealkylation being carried out using a strong acid, selectively in the 3-position, on a 3-alkoxy-4-methoxybenzaldehyde wherein said alkoxy group has at least two carbon atoms.
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- 1. A process for the preparation of isovanillin, comprising carrying out a dealkylation, selectively in the 3-position of a 3-alkoxy-4-methoxybenzaldehyde using a strong acid wherein said alkoxy group has at least two carbon atoms .
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