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Procedures for preparing =-phosphorylated 4-methylpyrocatechols were developed. Diphenyl-(3,4-dimethoxybenzyl)phosphine oxide yields diphenyl(3,4-dihydroxybenzyl)phosphine oxide under the action of hydrobromic acid. Alkylphenols form an important class of modern antioxidants and biologically active compounds [133]. Proceeding with studies in the field of phosphorylated phenol derivatives [4 3 6], we examined dimethyl ethers of a-phosphorylated 4-methylpyrocatechols.Compounds of this type were prepared following the scheme of the Arbuzov reaction by treating 3,4-dimethoxybenzyl chloride with P(III) acid esters.
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