1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester

Base Information

• Chemical Name: 1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester
• CAS No.: 122551-49-9
• Molecular Formula: C₂₀H₁₃F₆NO₅
• Molecular Weight: 461.317

Synonyms:1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester

Chemical Property of 1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester

Chemical Property:

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
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Technology Process of 1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester

There total 3 articles about 1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-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: 70.0%

(Z)-3-(3,4-Bis-difluoromethoxy-phenylamino)-2-(2,4,5-trifluoro-benzoyl)-acrylic acid ethyl ester (122551-46-6) → 1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester (122551-49-9)

Guidance literature:

With sodium carbonate; In N,N-dimethyl-formamide;

DOI:10.1002/jps.2600780716

Reference yield:

α-(ethoxymethylene)-2,4,5-trifluoro-β-oxobenzenepropanoic acid, ethyl ester (101799-75-1) → 1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester (122551-49-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 83 percent / ethanol / Ambient temperature

2: 70 percent / Na₂CO₃ / dimethylformamide

With sodium carbonate; In ethanol; N,N-dimethyl-formamide;

DOI:10.1002/jps.2600780716

Reference yield:

3,4-bis-difluoromethoxy-phenylamine → 1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester (122551-49-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 83 percent / ethanol / Ambient temperature

2: 70 percent / Na₂CO₃ / dimethylformamide

With sodium carbonate; In ethanol; N,N-dimethyl-formamide;

DOI:10.1002/jps.2600780716

upstream raw materials:

(Z)-3-(3,4-Bis-difluoromethoxy-phenylamino)-2-(2,4,5-trifluoro-benzoyl)-acrylic acid ethyl ester

α-(ethoxymethylene)-2,4,5-trifluoro-β-oxobenzenepropanoic acid, ethyl ester

Downstream raw materials:

1-(3,4-Bis-difluoromethoxy-phenyl)-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

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