ethyl 4-(4-tolyl)-2-oxo-6-(trifluoromethyl)-2H-pyran-3-carboxylate

Base Information

• Chemical Name: ethyl 4-(4-tolyl)-2-oxo-6-(trifluoromethyl)-2H-pyran-3-carboxylate
• CAS No.: 1037590-10-5
• Molecular Formula: C₁₆H₁₃F₃O₄
• Molecular Weight: 326.272
• Mol file: 1037590-10-5.mol

Synonyms:ethyl 4-(4-tolyl)-2-oxo-6-(trifluoromethyl)-2H-pyran-3-carboxylate

Chemical Property of ethyl 4-(4-tolyl)-2-oxo-6-(trifluoromethyl)-2H-pyran-3-carboxylate

Chemical Property:

Purity/Quality:

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Technology Process of ethyl 4-(4-tolyl)-2-oxo-6-(trifluoromethyl)-2H-pyran-3-carboxylate

There total 1 articles about ethyl 4-(4-tolyl)-2-oxo-6-(trifluoromethyl)-2H-pyran-3-carboxylate 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: 39.0%

4,4,4-trifluoro-1-(4-methylphenyl)butane-1,3-dione (720-94-5) + sodium diethylmalonate (996-82-7) → ethyl 4-(4-tolyl)-2-oxo-6-(trifluoromethyl)-2H-pyran-3-carboxylate (1037590-10-5)

Guidance literature:

4,4,4-trifluoro-1-(4-methylphenyl)butane-1,3-dione; With phosphorus pentachloride; In tetrachloromethane; at 25 - 30 ℃; for 7h;

sodium diethylmalonate; In ethanol; dichloromethane; at -50 - 0 ℃; for 1h;

DOI:10.1021/ol800992z

Reference yield: 74.0%

ethyl 4-(4-tolyl)-2-oxo-6-(trifluoromethyl)-2H-pyran-3-carboxylate (1037590-10-5) → 4-(4-methylphenyl)-6-(trifluoromethyl)-2H-pyran-2-one (1037590-17-2)

Guidance literature:

With sulfuric acid; acetic acid; In water; for 4h; Reflux;

DOI:10.1021/ol800992z

upstream raw materials:

4,4,4-trifluoro-1-(4-methylphenyl)butane-1,3-dione

sodium diethylmalonate

Downstream raw materials:

4-(4-methylphenyl)-6-(trifluoromethyl)-2H-pyran-2-one