5-bromo-2,3-dimethoxybenzoquinone

Base Information

• Chemical Name: 5-bromo-2,3-dimethoxybenzoquinone
• CAS No.: 23030-57-1
• Molecular Formula: C₈H₇BrO₄
• Molecular Weight: 247.045
• Mol file: 23030-57-1.mol

Synonyms:

Chemical Property of 5-bromo-2,3-dimethoxybenzoquinone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-bromo-2,3-dimethoxybenzoquinone

There total 5 articles about 5-bromo-2,3-dimethoxybenzoquinone 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:

2',3',4'-trimethoxyacetophenone (13909-73-4) → 5-bromo-2,3-dimethoxybenzoquinone (23030-57-1)

Guidance literature:

Multi-step reaction with 3 steps

1: NBS / acetic acid; acetic anhydride

2: AcOOH, AcOH

3: (i) KOH, aq. EtOH, (ii) Na₂Cr₂O₇, H₂SO₄

With peracetic acid; N-Bromosuccinimide; acetic acid; In acetic anhydride; acetic acid;

DOI:10.1039/j39690001353

Reference yield:

2,3-dimethoxy-1,4-benzoquinone (3117-02-0) → 5-bromo-2,3-dimethoxybenzoquinone (23030-57-1)

Guidance literature:

Multistep reaction; (i) aq. HBr, (ii) Ag₂O, Na₂SO₄, CHCl₃;

DOI:10.1021/jm00283a012

Reference yield:

2,3-dimethoxyphenol (5150-42-5) → 5-bromo-2,3-dimethoxybenzoquinone (23030-57-1)

Guidance literature:

Multi-step reaction with 2 steps

1: (i) 4-amino-benzenesulfonic acid, NaNO₂, aq. HCl, (ii) H₂, aq. HCl, Pd-C, EtOH, (iii) Na₂Cr₂O₇, aq. H₂SO₄

2: (i) aq. HBr, (ii) Ag₂O, Na₂SO₄, CHCl₃

DOI:10.1021/jm00283a012

upstream raw materials:

2,3-dimethoxy-1,4-benzoquinone

2',3',4'-trimethoxyacetophenone

5-Brom-2.3.4-trimethoxy-acetophenon

2,3-dimethoxyphenol

Downstream raw materials:

1-Brom-2,3,4,5,6-pentamethoxy-benzol

1-Brom-2,5,6-triacetoxy-3,4-dimethoxy-benzol