3-bromo-4,5-dimethylpyrocatechol

Base Information

• Chemical Name: 3-bromo-4,5-dimethylpyrocatechol
• CAS No.: 3938-14-5
• Molecular Formula: C₈H₉BrO₂
• Molecular Weight: 217.062
• Mol file: 3938-14-5.mol

Synonyms:3-bromo-4,5-dimethylpyrocatechol

Chemical Property of 3-bromo-4,5-dimethylpyrocatechol

Chemical Property:

Purity/Quality:

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Technology Process of 3-bromo-4,5-dimethylpyrocatechol

There total 4 articles about 3-bromo-4,5-dimethylpyrocatechol 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: 77.0%

2-bromo-4,5-dimethylphenol (22802-39-7) → 3-bromo-4,5-dimethylpyrocatechol (3938-14-5)

Guidance literature:

With sodium dihydrogenphosphate; potassiuim nitrosodisulfonate; phosphoric acid; iron; In methanol; water; at 0 ℃; 1.) 2,5 h, 2.) 20 min;

Reference yield:

4,5-dimethylbenzene-1,2-diol (2785-74-2) → 3-bromo-4,5-dimethylpyrocatechol (3938-14-5)

Guidance literature:

With hydrogen bromide; bromine; In acetic acid; for 0.5h;

Reference yield:

3,4-Dimethylphenol (95-65-8) → 3-bromo-4,5-dimethylpyrocatechol (3938-14-5)

Guidance literature:

Multi-step reaction with 3 steps

1: H₃BO₃ / glycerol / 150 - 165 °C

2: aq. Br₂ / CHCl₃

3: aq. H₂O₂, NaOH

With sodium hydroxide; dihydrogen peroxide; bromine; boric acid; In chloroform; glycerol;

upstream raw materials:

4,5-dimethylbenzene-1,2-diol

2-bromo-4,5-dimethylphenol

3,4-Dimethylphenol

4,5-dimethylsalicylaldehyde

Downstream raw materials:

3-bromo-4,5-dimethyl-[1,2]benzoquinone

4,5-dimethylbenzene-1,2-diol