5,7-Dibromo-4-nitrobenzofurazane

Base Information

• Chemical Name: 5,7-Dibromo-4-nitrobenzofurazane
• CAS No.: 52120-98-6
• Molecular Formula: C6HBr2N3O3
• Molecular Weight: 322.9
• Mol file: 52120-98-6.mol

Synonyms:5,7-Dibromo-4-nitrobenzofurazane

Chemical Property of 5,7-Dibromo-4-nitrobenzofurazane

Chemical Property:

• PSA: 84.74000
• LogP: 3.17920

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5,7-Dibromo-4-nitrobenzofurazane

There total 3 articles about 5,7-Dibromo-4-nitrobenzofurazane 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:

1-azido-2,4-dibromo-6-nitrobenzene (776-45-4) → 5,7-dibromo-4-nitrobenzo[c][1,2,5]oxadiazole (52120-98-6)

Guidance literature:

Multi-step reaction with 3 steps

1: AcOH / Heating

2: P(OEt)3 / ethanol / Heating

3: HNO₃, H₂SO₄

With sulfuric acid; nitric acid; acetic acid; triethyl phosphite; In ethanol;

DOI:10.1021/jm00248a013

Reference yield:

4,6-dibromobenzofuroxane (52120-96-4) → 5,7-dibromo-4-nitrobenzo[c][1,2,5]oxadiazole (52120-98-6)

Guidance literature:

Multi-step reaction with 2 steps

1: P(OEt)3 / ethanol / Heating

2: HNO₃, H₂SO₄

With sulfuric acid; nitric acid; triethyl phosphite; In ethanol;

DOI:10.1021/jm00248a013

Reference yield:

4,6-dibromobenzo[c][1,2,5]oxadiazole (769-56-2) → 5,7-dibromo-4-nitrobenzo[c][1,2,5]oxadiazole (52120-98-6)

Guidance literature:

With sulfuric acid; nitric acid;

DOI:10.1021/jm00248a013

upstream raw materials:

4,6-dibromobenzo[c][1,2,5]oxadiazole

1-azido-2,4-dibromo-6-nitrobenzene

4,6-dibromobenzofuroxane

Downstream raw materials:

7-bromo-N-(3-chloro-5-fluorophenyl)-4-nitrobenzo[c][1,2,5]oxadiazol-5-amine