6-amino-5-cyano-2-methyl-4-(4-trifluoromethylphenyl)-4H-pyran-3-carboxylic acid ethyl ester

Base Information

• Chemical Name: 6-amino-5-cyano-2-methyl-4-(4-trifluoromethylphenyl)-4H-pyran-3-carboxylic acid ethyl ester
• CAS No.: 304878-44-2
• Molecular Formula: C₁₇H₁₅F₃N₂O₃
• Molecular Weight: 352.313
• Mol file: 304878-44-2.mol

Synonyms:6-amino-5-cyano-2-methyl-4-(4-trifluoromethylphenyl)-4H-pyran-3-carboxylic acid ethyl ester

Chemical Property of 6-amino-5-cyano-2-methyl-4-(4-trifluoromethylphenyl)-4H-pyran-3-carboxylic acid ethyl ester

Chemical Property:

Purity/Quality:

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MSDS Files:

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Technology Process of 6-amino-5-cyano-2-methyl-4-(4-trifluoromethylphenyl)-4H-pyran-3-carboxylic acid ethyl ester

There total 3 articles about 6-amino-5-cyano-2-methyl-4-(4-trifluoromethylphenyl)-4H-pyran-3-carboxylic acid ethyl ester 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: 93.4%

4-Trifluoromethylbenzaldehyde (455-19-6) + acetylacetone (123-54-6,81235-32-7) + malononitrile (109-77-3) → 6-amino-5-cyano-2-methyl-4-(4-trifluoromethylphenyl)-4H-pyran-3-carboxylic acid ethyl ester (304878-44-2)

Guidance literature:

With MgO-SnO₂ solid superbase; at 20 ℃; for 5h;

DOI:10.1007/s10562-012-0805-5

Reference yield: 90.0%

4-Trifluoromethylbenzaldehyde (455-19-6) + ethyl acetoacetate (141-97-9) + malononitrile (109-77-3) → 6-amino-5-cyano-2-methyl-4-(4-trifluoromethylphenyl)-4H-pyran-3-carboxylic acid ethyl ester (304878-44-2)

Guidance literature:

With silica-bonded N-propylpiperazine sodium n-propionate; In ethanol; water; for 0.666667h; Reflux;

DOI:10.1016/S1872-2067(12)60693-7

Reference yield: 88.0%

→ 6-amino-5-cyano-2-methyl-4-(4-trifluoromethylphenyl)-4H-pyran-3-carboxylic acid ethyl ester (304878-44-2)

Guidance literature:

With Candida rugosa lipase; In 1,2-dimethoxyethane; water; at 50 ℃; for 0.5h; Enzymatic reaction;

upstream raw materials:

4-Trifluoromethylbenzaldehyde

acetylacetone

malononitrile

ethyl acetoacetate