Ethanedione, 1,1'-(oxydi-4,1-phenylene)bis[2-(4-bromophenyl)-

Base Information

• Chemical Name: Ethanedione, 1,1'-(oxydi-4,1-phenylene)bis[2-(4-bromophenyl)-
• CAS No.: 53831-51-9
• Molecular Formula: C28H16Br2O5
• Molecular Weight: 592.24
• Mol file: 53831-51-9.mol

Synonyms:

Chemical Property of Ethanedione, 1,1'-(oxydi-4,1-phenylene)bis[2-(4-bromophenyl)-

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Ethanedione, 1,1'-(oxydi-4,1-phenylene)bis[2-(4-bromophenyl)-

There total 3 articles about Ethanedione, 1,1'-(oxydi-4,1-phenylene)bis[2-(4-bromophenyl)- 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: 99.1%

4,4'-bis[(4-bromophenyl)acetyl]phenyl ether → 4,4'-bis[(4-bromophenyl)glyoxalyl]phenyl ether (53831-51-9)

Guidance literature:

With hydrogen bromide; dimethyl sulfoxide; In water; at 100 ℃; for 2h; Temperature;

Reference yield:

2-(4-bromophenyl)-acetic acid (1878-68-8) → 4,4'-bis[(4-bromophenyl)glyoxalyl]phenyl ether (53831-51-9)

Guidance literature:

Multi-step reaction with 3 steps

1: thionyl chloride / N,N-dimethyl-formamide / 2.5 h / 60 °C / Inert atmosphere; Schlenk technique

2: aluminum (III) chloride / dichloromethane / 5 h / Inert atmosphere; Schlenk technique; Cooling with ice

3: hydrogen bromide; dimethyl sulfoxide / water / 2 h / 100 °C

With aluminum (III) chloride; thionyl chloride; hydrogen bromide; dimethyl sulfoxide; In dichloromethane; water; N,N-dimethyl-formamide; 2: |Friedel-Crafts Acylation;

Reference yield:

→ 4,4'-bis[(4-bromophenyl)glyoxalyl]phenyl ether (53831-51-9)

Guidance literature:

aus der Methylenverbindung mit SeO2;

DOI:10.1021/ma60041a008

upstream raw materials:

2-(4-bromophenyl)-acetic acid

Refernces