7474-97-7O=C(O)c1ccc(O)c2ccccc12PSAGPCOTGOTBQB-UHFFFAOYSA-N7474-97-7DTXSID10322381化学的特性4-Hydroxy-1-naphthoic acid [7474-97-7], mp 188 – 189℃, is synthesized by potassium hydroxide fusion (200 C) of 4-sulfo-1- naphthoic acid or 4-cyanonaphthalene-1-sulfonic acid (from 1-aminonaphthalene-4-sulfonic acid). It undergoes decarboxylation with bromine, nitrous acid, or diazo salts to form the corresponding 4-derivative.
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