2-Oxo-2H-chromene-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide

Base Information

Chemical Name:2-Oxo-2H-chromene-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide
CAS No.:143814-48-6
Molecular Formula:C₁₈H₁₄N₂O₅
Molecular Weight:338.32
Hs Code.:

Synonyms:2-Oxo-2H-chromene-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide

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Chemical Property of 2-Oxo-2H-chromene-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide

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Technology Process of 2-Oxo-2H-chromene-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide

There total 4 articles about 2-Oxo-2H-chromene-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 80.0%

: 1846-91-9
2-oxo-2H-chromene-3-carbohydrazide

: 121-33-5,8014-42-4
vanillin

: 143814-48-6
2-Oxo-2H-chromene-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide

Guidance literature:: With hydrogenchloride; In ethanol; Reflux;
DOI:10.2174/1573406416666200121105215

Reference yield:

: 1846-76-0
ethyl coumarin-3-carboxylate

: 143814-48-6
2-Oxo-2H-chromene-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide

Guidance literature:: Multi-step reaction with 2 steps

1: 65 percent / hydrazine hydrate / ethanol / Heating

2: 60 percent / acetic acid / ethanol / 5 h / Heating

With hydrazine hydrate; acetic acid; In ethanol;

Reference yield:

: 90-02-8
salicylaldehyde

: 143814-48-6
2-Oxo-2H-chromene-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide

Guidance literature:: Multi-step reaction with 3 steps

1: piperidine / 0.5 h / 20 °C

2: hydrazine hydrate / ethanol / 6 h / Reflux

3: ethanol / Reflux

With piperidine; hydrazine hydrate; In ethanol;