1-(5-amino-4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one

Base Information

• Chemical Name: 1-(5-amino-4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one
• CAS No.: 111992-12-2
• Molecular Formula: C₁₀H₈BrF₃N₄O
• Molecular Weight: 337.099
• Mol file: 111992-12-2.mol

Synonyms:1-(5-amino-4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one

Chemical Property of 1-(5-amino-4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-(5-amino-4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one

There total 5 articles about 1-(5-amino-4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one 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%

1-(4-bromo-2-fluoro-5-nitrophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one (111992-11-1) → 1-(5-amino-4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one (111992-12-2)

Guidance literature:

With iron; ammonium chloride; In ethanol; water; for 4h; Reflux;

DOI:10.1016/j.bmc.2013.03.056

Reference yield:

1-(4-bromo-2-fluorophenyl)-3-methyl-1H-1,2,4-triazol-5(4H)-one (111992-09-7) → 1-(5-amino-4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one (111992-12-2)

Guidance literature:

Multi-step reaction with 3 steps

1: potassium hydroxide; tetrabutylammomium bromide / tetrahydrofuran / Reflux

2: sulfuric acid; nitric acid / 25 °C

3: ammonium chloride; iron / water; ethanol / 4 h / Reflux

With sulfuric acid; tetrabutylammomium bromide; nitric acid; iron; ammonium chloride; potassium hydroxide; In tetrahydrofuran; ethanol; water;

DOI:10.1016/j.bmc.2013.03.056

Reference yield:

1-(4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one → 1-(5-amino-4-bromo-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one (111992-12-2)

Guidance literature:

Multi-step reaction with 2 steps

1: sulfuric acid; nitric acid / 25 °C

2: ammonium chloride; iron / water; ethanol / 4 h / Reflux

With sulfuric acid; nitric acid; iron; ammonium chloride; In ethanol; water;

DOI:10.1016/j.bmc.2013.03.056

upstream raw materials:

1-(4-bromo-2-fluoro-5-nitrophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one

4-bromo-2-fluoroaniline

1-(4-bromo-2-fluorophenyl)-3-methyl-1H-1,2,4-triazol-5(4H)-one

2-(2-(4-bromo-2-fluorophenyl)hydrazono)propanoic acid

Downstream raw materials:

C₁₈H₁₀BrF₃N₄O₃

C₁₈H₁₄BrF₃N₄O₃

C₁₇H₁₂BrClF₃N₅O₂

C₁₇H₁₃BrF₃N₅O₂