C₁₃H₉BrN₄OS

Base Information

• Chemical Name: C₁₃H₉BrN₄OS
• CAS No.: 1404052-43-2
• Molecular Formula: C₁₃H₉BrN₄OS
• Molecular Weight: 349.211
• Mol file: 1404052-43-2.mol

Synonyms:C₁₃H₉BrN₄OS

Chemical Property of C₁₃H₉BrN₄OS

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of C₁₃H₉BrN₄OS

There total 4 articles about C₁₃H₉BrN₄OS 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: 91.0%

1-Bromo-2-bromomethyl-benzene (3433-80-5) + 5-(pyrazin-2-yl)-1,3,4-oxadiazole-2-thiol (37545-39-4) → C13H9BrN4OS (1404052-43-2)

Guidance literature:

With potassium carbonate; In acetone; Reflux;

DOI:10.1016/j.bmc.2012.08.059

Reference yield:

pyrazine-2-carbohydrazide (768-05-8) → C13H9BrN4OS (1404052-43-2)

Guidance literature:

Multi-step reaction with 2 steps

1: potassium hydroxide / ethanol / 24 h / Reflux

2: potassium carbonate / acetone / Reflux

With potassium carbonate; potassium hydroxide; In ethanol; acetone;

DOI:10.1016/j.bmc.2012.08.059

Reference yield:

2-pyrazylcarboxylic acid (98-97-5) → C13H9BrN4OS (1404052-43-2)

Guidance literature:

Multi-step reaction with 4 steps

1: sulfuric acid / Reflux

2: hydrazine hydrate / ethanol / Reflux

3: potassium hydroxide / ethanol / 24 h / Reflux

4: potassium carbonate / acetone / Reflux

With sulfuric acid; potassium carbonate; hydrazine hydrate; potassium hydroxide; In ethanol; acetone;

DOI:10.1016/j.bmc.2012.08.059

upstream raw materials:

1-Bromo-2-bromomethyl-benzene

5-(pyrazin-2-yl)-1,3,4-oxadiazole-2-thiol

2-pyrazylcarboxylic acid

methyl pyrazine-2-carboxylate