(E)-7-(dimethylamino)-3-(3-(4-nitrophenyl)acryloyl)-4-hydroxy-2H-chromen-2-one

Base Information

• Chemical Name: (E)-7-(dimethylamino)-3-(3-(4-nitrophenyl)acryloyl)-4-hydroxy-2H-chromen-2-one
• CAS No.: 1357486-69-1
• Molecular Formula: C₂₀H₁₆N₂O₆
• Molecular Weight: 380.357

Synonyms:(E)-7-(dimethylamino)-3-(3-(4-nitrophenyl)acryloyl)-4-hydroxy-2H-chromen-2-one

Chemical Property of (E)-7-(dimethylamino)-3-(3-(4-nitrophenyl)acryloyl)-4-hydroxy-2H-chromen-2-one

Chemical Property:

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Technology Process of (E)-7-(dimethylamino)-3-(3-(4-nitrophenyl)acryloyl)-4-hydroxy-2H-chromen-2-one

There total 1 articles about (E)-7-(dimethylamino)-3-(3-(4-nitrophenyl)acryloyl)-4-hydroxy-2H-chromen-2-one 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: 75.0%

3-acetyl-7-(dimethylamino)-4-hydroxy-2H-chromen-2-one (910137-62-1) + 4-nitrobenzaldehdye (555-16-8) → (E)-7-(dimethylamino)-3-(3-(4-nitrophenyl)acryloyl)-4-hydroxy-2H-chromen-2-one (1357486-69-1)

Guidance literature:

With piperidine; In toluene; for 14h; Azeotropic water removal;

DOI:10.1016/j.tetlet.2011.11.142

Reference yield: 80.0%

(E)-7-(dimethylamino)-3-(3-(4-nitrophenyl)acryloyl)-4-hydroxy-2H-chromen-2-one (1357486-69-1) + phenylhydrazine (100-63-0) → 7-(dimethylamino)-4-hydroxy-3-(5-(4-nitrophenyl)-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one (1357486-62-4)

Guidance literature:

With acetic acid; for 3h; Reflux;

DOI:10.1016/j.tetlet.2011.11.142

Reference yield: 77.0%

(E)-7-(dimethylamino)-3-(3-(4-nitrophenyl)acryloyl)-4-hydroxy-2H-chromen-2-one (1357486-69-1) + acetic acid (64-19-7,77671-22-8) → 3-(1-acetyl-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-7-(dimethylamino)-4-hydroxy-2H-chromen-2-one (1357486-64-6)

Guidance literature:

With hydrazine; for 3h; Reflux;

DOI:10.1016/j.tetlet.2011.11.142

upstream raw materials:

3-acetyl-7-(dimethylamino)-4-hydroxy-2H-chromen-2-one

4-nitrobenzaldehdye

Downstream raw materials:

3-(1-acetyl-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-7-(dimethylamino)-4-hydroxy-2H-chromen-2-one

7-(dimethylamino)-4-hydroxy-3-(5-(4-nitrophenyl)-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one

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