Chemical process for the preparation of a 2-hydroxyarylaldehyde

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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568426, 568432, 568433, C07C 4500

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053549201

ABSTRACT:
A method for the preparation of a 2-hydroxyarylaldehyde which comprises reacting an aryloxymagnesium halide derived from a phenol having at least one free ortho position relative to the phenolic hydroxy group with formaldehyde or a formaldehyde-liberating compound under substantially anhydrous conditions in the presence of a polar organic solvent other than hexamethylphosphoramide or 1,3-dimethyl-3,4,5,6-2(1H)-pyrimidone.

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