2-(4-cyanophenyl)-5-(4-methoxyphenyl)oxazole-4-carboxylic acid ethyl ester

Base Information

• Chemical Name: 2-(4-cyanophenyl)-5-(4-methoxyphenyl)oxazole-4-carboxylic acid ethyl ester
• CAS No.: 1055195-19-1
• Molecular Formula: C₂₀H₁₆N₂O₄
• Molecular Weight: 348.358
• Mol file: 1055195-19-1.mol

Synonyms:2-(4-cyanophenyl)-5-(4-methoxyphenyl)oxazole-4-carboxylic acid ethyl ester

Chemical Property of 2-(4-cyanophenyl)-5-(4-methoxyphenyl)oxazole-4-carboxylic acid ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of 2-(4-cyanophenyl)-5-(4-methoxyphenyl)oxazole-4-carboxylic acid ethyl ester

There total 4 articles about 2-(4-cyanophenyl)-5-(4-methoxyphenyl)oxazole-4-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: 97.0%

2-(4-cyano-phenyl)-oxazole-4-carboxylic acid ethyl ester (1055195-11-3) + para-iodoanisole (696-62-8) → 2-(4-cyanophenyl)-5-(4-methoxyphenyl)oxazole-4-carboxylic acid ethyl ester (1055195-19-1)

Guidance literature:

With palladium diacetate; caesium carbonate; tris-(o-tolyl)phosphine; In toluene; at 110 ℃; for 18h; Inert atmosphere;

DOI:10.1021/jo801093n

Reference yield: 94.0%

ethyl 5-(4-methoxyphenyl)oxazole-4-carboxylate (255728-49-5) + 4-iodobenzonitrile (3058-39-7) → 2-(4-cyanophenyl)-5-(4-methoxyphenyl)oxazole-4-carboxylic acid ethyl ester (1055195-19-1)

Guidance literature:

With palladium diacetate; caesium carbonate; [1,3-bis(2,4,6-trimethylphenyl)imidazol]-2-ylidene; In 1,4-dioxane; at 110 ℃; for 18h;

DOI:10.1039/c1ob05261f

Reference yield:

Ethyl isocyanoacetate (2999-46-4) → 2-(4-cyanophenyl)-5-(4-methoxyphenyl)oxazole-4-carboxylic acid ethyl ester (1055195-19-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: potassium tert-butylate / tetrahydrofuran / Inert atmosphere; Cooling with ice

1.2: 1 h / 0 - 20 °C / Inert atmosphere

2.1: palladium diacetate; caesium carbonate; [1,3-bis(2,4,6-trimethylphenyl)imidazol]-2-ylidene / 1,4-dioxane / 18 h / 110 °C

With potassium tert-butylate; palladium diacetate; caesium carbonate; [1,3-bis(2,4,6-trimethylphenyl)imidazol]-2-ylidene; In tetrahydrofuran; 1,4-dioxane;

DOI:10.1039/c1ob05261f

upstream raw materials:

2-(4-cyano-phenyl)-oxazole-4-carboxylic acid ethyl ester

para-iodoanisole

ethyl 5-(4-methoxyphenyl)oxazole-4-carboxylate

4-iodobenzonitrile

Downstream raw materials:

4-(5-(4-methoxyphenyl)oxazol-2-yl)benzonitrile