Preparation method of 4-hydroxymethyl-3-methoxyphenoxyacetic acid
The invention discloses a preparation method of 4-hydroxymethyl-3-methoxyphenoxyacetic acid, comprising the steps of a) subjecting the start material 2,4-dihydroxybenzaldehyde and halogenated ethyl acetate to nucleophilic substitution reaction under the a
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Paragraph 0086; 0089; 0082
(2018/05/16)
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