Английская Википедия:3,4,5-Trimethoxybenzaldehyde

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3,4,5-Trimethoxybenzaldehyde is an organic compound. Within this class of compounds the chemical is categorized as a trisubstituted aromatic aldehyde.

Uses

3,4,5-Trimethoxybenzaldehyde can be used as an intermediate in the synthesis of some pharmaceutical drugs including trimethoprim,[1][2] cintriamide, roletamide, trimethoquinol (aka tretoquinol), and trimazosin as well as some psychedelic phenethylamines.[3][4][5]

Preparation

Industrial scale

For industrial applications the chemical is synthesized from p-cresol using aromatic substitution with bromine followed by nucleophilic substitution with sodium methoxide.[1] Oxidation of the methyl group to an aldehyde can occur via various synthetic methods.

Laboratory scale

At the laboratory scale the chemical is conveniently synthesized from vanillin[6] or from Eudesmic acid's Acyl chloride via Rosenmund reduction.[7]

References

Шаблон:Reflist