Merck, 538582-25G, 2,4-Dihydroxybenzoic acid hydrazide

General description
2,4-Dihydroxybenzoic acid hydrazide is a phenolic hydrazide. 2,4-Dihydroxybenzohydrazide can be prepared by employing ethyl 2,4-dihydroxybenzoate and hydrazine hydrate as starting reagent.
Application
2,4-Dihydroxybenzoic acid hydrazide may be used in the synthesis of:
2,4-dihydroxy-N′-(4-methoxybenzylidene)benzohydrazide
2,4-dihydroxy-N′-(2-hydroxy-4-methoxybenzylidene)benzohydrazide
(E)-2,4-dihydroxy-N′-(2-hydroxy-3-methoxy-5-nitrobenzylidene) benzohydrazide dihydrate
[N′-(5-chloro-2-oxidobenzyl-κO)-2,4-dihydroxybenzohydrazidato-κ²N′,O](methanol-κO)dioxidomolybdenum(VI)–4,4′-bipyridine
(E)-N′-(3,4-dimethoxybenzylidene)-2,4-dihydroxybenzohydrazide methanol solvate