3-(3,5-dibromo-2-oxo-2H-pyrazin-1-yl)-5-fluoro-4-methyl-benzoic acid, methyl ester

Base Information

Chemical Name:3-(3,5-dibromo-2-oxo-2H-pyrazin-1-yl)-5-fluoro-4-methyl-benzoic acid, methyl ester
CAS No.:1095006-01-1
Molecular Formula:C₁₃H₉Br₂FN₂O₃
Molecular Weight:420.032
Hs Code.:

Synonyms:3-(3,5-dibromo-2-oxo-2H-pyrazin-1-yl)-5-fluoro-4-methyl-benzoic acid, methyl ester

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Chemical Property of 3-(3,5-dibromo-2-oxo-2H-pyrazin-1-yl)-5-fluoro-4-methyl-benzoic acid, methyl ester

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Technology Process of 3-(3,5-dibromo-2-oxo-2H-pyrazin-1-yl)-5-fluoro-4-methyl-benzoic acid, methyl ester

There total 10 articles about 3-(3,5-dibromo-2-oxo-2H-pyrazin-1-yl)-5-fluoro-4-methyl-benzoic acid, methyl 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: 60.7%

: 15219-34-8
Oxalyl bromide

: 1095006-00-0
3-[(cyanomethyl)amino]-5-fluoro-4-methyl-benzoic acid, methyl ester

: 1095006-01-1
3-(3,5-dibromo-2-oxo-2H-pyrazin-1-yl)-5-fluoro-4-methyl-benzoic acid, methyl ester

Guidance literature:: Oxalyl bromide; 3-[(cyanomethyl)amino]-5-fluoro-4-methyl-benzoic acid, methyl ester; In dichloromethane; at 2 ℃; for 0.566667h; Inert atmosphere; Large scale;

With N,N-dimethyl-formamide; In dichloromethane; at 5 - 32 ℃; for 19.25h; Inert atmosphere; Large scale;
DOI:10.1021/acs.oprd.1c00283

Reference yield:

: 103877-62-9
2-chloro-5-fluoro-4-methyl-3-nitro-benzoic acid

: 1095006-01-1
3-(3,5-dibromo-2-oxo-2H-pyrazin-1-yl)-5-fluoro-4-methyl-benzoic acid, methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: chloro-trimethyl-silane / methanol

2: ammonium formate / palladium-carbon / dichloromethane; ethanol

3: hydrogenchloride; N-ethyl-N,N-diisopropylamine / dichloromethane; water; tetrahydrofuran

4: dichloromethane; N,N-dimethyl-formamide; water

With hydrogenchloride; chloro-trimethyl-silane; ammonium formate; N-ethyl-N,N-diisopropylamine; palladium-carbon; In tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide;

Reference yield:

: 103877-61-8
2-chloro-5-fluoro-4-methyl-benzoic acid

: 1095006-01-1
3-(3,5-dibromo-2-oxo-2H-pyrazin-1-yl)-5-fluoro-4-methyl-benzoic acid, methyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: potassium nitrate / conc sulfuric acid

2: chloro-trimethyl-silane / methanol

3: ammonium formate / palladium-carbon / dichloromethane; ethanol

4: hydrogenchloride; N-ethyl-N,N-diisopropylamine / dichloromethane; water; tetrahydrofuran

5: dichloromethane; N,N-dimethyl-formamide; water

With hydrogenchloride; chloro-trimethyl-silane; ammonium formate; potassium nitrate; N-ethyl-N,N-diisopropylamine; palladium-carbon; In tetrahydrofuran; methanol; conc sulfuric acid; ethanol; dichloromethane; water; N,N-dimethyl-formamide;