3-(4-bromophenyl)carbonyl-5-chlorodifluoromethyl-4-methoxycarbonylisoxazole

Base Information

• Chemical Name: 3-(4-bromophenyl)carbonyl-5-chlorodifluoromethyl-4-methoxycarbonylisoxazole
• CAS No.: 144951-09-7
• Molecular Formula: C₁₃H₇BrClF₂NO₄
• Molecular Weight: 394.557

Synonyms:3-(4-bromophenyl)carbonyl-5-chlorodifluoromethyl-4-methoxycarbonylisoxazole

Chemical Property of 3-(4-bromophenyl)carbonyl-5-chlorodifluoromethyl-4-methoxycarbonylisoxazole

Chemical Property:

Purity/Quality:

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Technology Process of 3-(4-bromophenyl)carbonyl-5-chlorodifluoromethyl-4-methoxycarbonylisoxazole

There total 2 articles about 3-(4-bromophenyl)carbonyl-5-chlorodifluoromethyl-4-methoxycarbonylisoxazole 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: 79.0%

4-chloro-4,4-difluoro-3-oxobutanoic acid methyl ester + C8H5Br2NO2 → 3-(4-bromophenyl)carbonyl-5-chlorodifluoromethyl-4-methoxycarbonylisoxazole (144951-09-7)

Guidance literature:

With triethylamine; In benzene; for 36h; Ambient temperature;

DOI:10.1016/S0040-4020(01)85356-4

Reference yield: 75.0%

α-chloro-α-isonitroso-4-bromoacetophenone (7733-43-9) + (Z)-4-Chloro-4,4-difluoro-3-hydroxy-but-2-enoic acid methyl ester (144951-07-5) → 3-(4-bromophenyl)carbonyl-5-chlorodifluoromethyl-4-methoxycarbonylisoxazole (144951-09-7)

Guidance literature:

With triethylamine; In tetrahydrofuran; for 36h; Ambient temperature;

upstream raw materials:

α-chloro-α-isonitroso-4-bromoacetophenone

(Z)-4-Chloro-4,4-difluoro-3-hydroxy-but-2-enoic acid methyl ester

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