3,4-dibromo-5-(3-bromo-2-(2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)benzene-1,2-diol

Base Information

• Chemical Name: 3,4-dibromo-5-(3-bromo-2-(2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)benzene-1,2-diol
• CAS No.: 1383536-26-2
• Molecular Formula: C₂₇H₁₉Br₅O₈
• Molecular Weight: 870.963
• Mol file: 1383536-26-2.mol

Synonyms:3,4-dibromo-5-(3-bromo-2-(2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)benzene-1,2-diol

Chemical Property of 3,4-dibromo-5-(3-bromo-2-(2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)benzene-1,2-diol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3,4-dibromo-5-(3-bromo-2-(2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)benzene-1,2-diol

There total 5 articles about 3,4-dibromo-5-(3-bromo-2-(2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)benzene-1,2-diol 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: 81.0%

2,3-dibromo-1-(2-(3-bromo-2-(2,3-dibromo-4,5-dimethoxybenzyl)-4,5-dimethoxybenzyl)-4,5-dimethoxybenzyl)-4,5-dimethoxybenzene (1383536-25-1) → 3,4-dibromo-5-(3-bromo-2-(2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)benzene-1,2-diol (1383536-26-2)

Guidance literature:

With boron tribromide; In dichloromethane; at 0 - 20 ℃; for 4h;

DOI:10.1002/ardp.201100373

Reference yield:

(3-bromo-4,5-dimethoxyphenyl)(3,4-dimethoxyphenyl)methanone (1383535-97-4) → 3,4-dibromo-5-(3-bromo-2-(2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)benzene-1,2-diol (1383536-26-2)

Guidance literature:

Multi-step reaction with 3 steps

1: sodium tetrahydroborate; trifluoroacetic acid / 0.5 h / 0 °C

2: aluminum (III) chloride / dichloromethane / 0 °C

3: boron tribromide / dichloromethane / 4 h / 0 - 20 °C

With aluminum (III) chloride; sodium tetrahydroborate; boron tribromide; trifluoroacetic acid; In dichloromethane; 2: Friedel Crafts alkylation;

DOI:10.1002/ardp.201100373

Reference yield:

1-bromo-5-(3,4-dimethoxybenzyl)-2,3-dimethoxybenzene (1383535-99-6) → 3,4-dibromo-5-(3-bromo-2-(2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl)benzene-1,2-diol (1383536-26-2)

Guidance literature:

Multi-step reaction with 2 steps

1: aluminum (III) chloride / dichloromethane / 0 °C

2: boron tribromide / dichloromethane / 4 h / 0 - 20 °C

With aluminum (III) chloride; boron tribromide; In dichloromethane; 1: Friedel Crafts alkylation;

DOI:10.1002/ardp.201100373

upstream raw materials:

(3-bromo-4,5-dimethoxyphenyl)(3,4-dimethoxyphenyl)methanone

1-bromo-5-(3,4-dimethoxybenzyl)-2,3-dimethoxybenzene

2,3-dibromo-1-(2-(3-bromo-2-(2,3-dibromo-4,5-dimethoxybenzyl)-4,5-dimethoxybenzyl)-4,5-dimethoxybenzyl)-4,5-dimethoxybenzene

3-bromo-4,5-dimethoxybenzoic acid