Preparation of ortho-hydroxybenzyl alcohols

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

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C07C 3700, C07C 2700

Patent

active

042911788

ABSTRACT:
A yield improved process for the preparation of orthohydroxybenzyl alcohols by esterifying a phenol with boric acid, next condensing the product of esterification with either formaldehyde or a formaldehyde-generating compound, thus effecting formulation of a boric acid ester of the desired ortho-hydroxybenzyl alcohol, and thence decomposing said ester to liberate the ortho-hydroxybenzyl alcohol therefrom, the improvement which comprises preparing the boric acid/phenol esters from at least 1.1 mols of the phenol per mol of boric acid.

REFERENCES:
patent: 3290352 (1966-12-01), Marchand
patent: 3290393 (1966-12-01), Marchand
patent: 3297737 (1967-01-01), Weck
patent: 4025553 (1977-05-01), Nagatu et al.

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