ethyl 3-[2-(trifluoromethyl)phenyl]isoxazole-5-carboxylate

Base Information

• Chemical Name: ethyl 3-[2-(trifluoromethyl)phenyl]isoxazole-5-carboxylate
• CAS No.: 377063-78-0
• Molecular Formula: C₁₃H₁₀F₃NO₃
• Molecular Weight: 285.223
• Mol file: 377063-78-0.mol

Synonyms:ethyl 3-[2-(trifluoromethyl)phenyl]isoxazole-5-carboxylate

Chemical Property of ethyl 3-[2-(trifluoromethyl)phenyl]isoxazole-5-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of ethyl 3-[2-(trifluoromethyl)phenyl]isoxazole-5-carboxylate

There total 5 articles about ethyl 3-[2-(trifluoromethyl)phenyl]isoxazole-5-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: 74.0%

N-[[2-(trifluoromethyl)phenyl]methylidene]hydroxylamine (74467-00-8) + propynoic acid ethyl ester (623-47-2) → ethyl 3-[2-(trifluoromethyl)phenyl]isoxazole-5-carboxylate (377063-78-0)

Guidance literature:

With isopentyl nitrite; In butanone; at 20 - 65 ℃; regioselective reaction;

DOI:10.1055/s-0035-1561464

Reference yield:

2-Trifluoromethylbenzaldehyde (447-61-0) → ethyl 3-[2-(trifluoromethyl)phenyl]isoxazole-5-carboxylate (377063-78-0)

Guidance literature:

Multi-step reaction with 4 steps

1: hydroxylamine

2: N-chloro-succinimide / N,N-dimethyl-formamide

3: magnesium sulfate; triethylamine / toluene / 20 °C

4: N-Bromosuccinimide

With N-chloro-succinimide; N-Bromosuccinimide; hydroxylamine; magnesium sulfate; triethylamine; In N,N-dimethyl-formamide; toluene;

DOI:10.1007/s00706-010-0265-9

Reference yield:

N-[[2-(trifluoromethyl)phenyl]methylidene]hydroxylamine (74467-00-8) → ethyl 3-[2-(trifluoromethyl)phenyl]isoxazole-5-carboxylate (377063-78-0)

Guidance literature:

Multi-step reaction with 3 steps

1: N-chloro-succinimide / N,N-dimethyl-formamide

2: magnesium sulfate; triethylamine / toluene / 20 °C

3: N-Bromosuccinimide

With N-chloro-succinimide; N-Bromosuccinimide; magnesium sulfate; triethylamine; In N,N-dimethyl-formamide; toluene;

DOI:10.1007/s00706-010-0265-9

upstream raw materials:

N-[[2-(trifluoromethyl)phenyl]methylidene]hydroxylamine

2-Trifluoromethylbenzaldehyde

N-hydroxy-2-(trifluoromethyl)benzene-1-carbonimidoyl chloride

propynoic acid ethyl ester

Downstream raw materials:

3-[2-(trifluoromethyl)phenyl]isoxazole-5-carboxylic acid