2-Hydroxy-benzoic acid [2-(4-methoxy-phenyl)-chroman-(4E)-ylidene]-hydrazide

Base Information

• Chemical Name: 2-Hydroxy-benzoic acid [2-(4-methoxy-phenyl)-chroman-(4E)-ylidene]-hydrazide
• CAS No.: 105166-55-0
• Molecular Formula: C₂₃H₂₀N₂O₄
• Molecular Weight: 388.423

Synonyms:2-Hydroxy-benzoic acid [2-(4-methoxy-phenyl)-chroman-(4E)-ylidene]-hydrazide

Chemical Property of 2-Hydroxy-benzoic acid [2-(4-methoxy-phenyl)-chroman-(4E)-ylidene]-hydrazide

Chemical Property:

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Technology Process of 2-Hydroxy-benzoic acid [2-(4-methoxy-phenyl)-chroman-(4E)-ylidene]-hydrazide

There total 1 articles about 2-Hydroxy-benzoic acid [2-(4-methoxy-phenyl)-chroman-(4E)-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: 51.0%

1-(2-hydroxyphenyl)-3-(4-methoxyphenyl)-2-propen-1-one (3327-24-0) + 2-Hydroxybenzoylhydrazine (936-02-7) → 2-Hydroxy-benzoic acid [2-(4-methoxy-phenyl)-chroman-(4E)-ylidene]-hydrazide (105166-55-0)

Guidance literature:

With acetic acid; In ethanol;

Reference yield: 26.0%

2-Hydroxy-benzoic acid [2-(4-methoxy-phenyl)-chroman-(4E)-ylidene]-hydrazide (105166-55-0) → 4'-methoxyflavone (4143-74-2) + 2-(4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one (3034-08-0,93921-53-0,97005-76-0) + 2,2'-Bis-(4-methoxy-phenyl)-2,3,2',3'-tetrahydro-[3,3']bichromenyl-4,4'-dione (105227-72-3) + salicylic acid (69-72-7,25496-36-0,8052-31-1)

Guidance literature:

With selenium(IV) oxide; In ethanol; for 4h; Heating;

Reference yield: 8.8%

2-Hydroxy-benzoic acid [2-(4-methoxy-phenyl)-chroman-(4E)-ylidene]-hydrazide (105166-55-0) → 4'-methoxyflavone (4143-74-2) + N,N'-Bis-[2-(4-methoxy-phenyl)-chroman-(4E)-ylidene]-hydrazine + salicylic acid (69-72-7,25496-36-0,8052-31-1)

Guidance literature:

With selenium(IV) oxide; In water; acetic acid; for 24h; Heating;

upstream raw materials:

1-(2-hydroxyphenyl)-3-(4-methoxyphenyl)-2-propen-1-one

2-Hydroxybenzoylhydrazine

Downstream raw materials:

4'-methoxyflavone

2-(4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one

2,2'-Bis-(4-methoxy-phenyl)-2,3,2',3'-tetrahydro-[3,3']bichromenyl-4,4'-dione

salicylic acid

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