4,4'-Dibromodiphenic acid

Base Information

• Chemical Name: 4,4'-Dibromodiphenic acid
• CAS No.: 54389-67-2
• Molecular Formula: C14H8Br2O4
• Molecular Weight: 400.023
• Hs Code.: 2917399090
• Mol file: 54389-67-2.mol

Synonyms:4,4'-Dibromodiphenicacid;4,4'-dibromobiphenyl-2,2'-dicarboxylic acid;

Chemical Property of 4,4'-Dibromodiphenic acid

Chemical Property:

• Melting Point: 246-250 °C
• Boiling Point: 497.8 °C at 760 mmHg
• PKA: 3.03±0.36(Predicted)
• Flash Point: 254.9 °C
• PSA: 74.60000
• Density: 1.885 g/cm³
• LogP: 4.27500

Purity/Quality:

99% ^*data from raw suppliers

4,4'-DIBROMODIPHENIC ACID 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,4'-Dibromodiphenic acid

There total 8 articles about 4,4'-Dibromodiphenic acid 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: 100.0%

2,7-dibromo-phenanthrene-9,10-dione (84405-44-7) → 4,4‘-dibromo-2,2‘-bis(carboxyl)-1,1‘-biphenyl (54389-67-2)

Guidance literature:

With oxygen; copper(l) chloride; In pyridine; for 6h;

DOI:10.1055/s-1982-29919

Reference yield: 70.0%

5-Bromo-2-aminobenzoic acid (5794-88-7) → 4,4‘-dibromo-2,2‘-bis(carboxyl)-1,1‘-biphenyl (54389-67-2)

Guidance literature:

5-Bromo-2-aminobenzoic acid; With hydrogenchloride; sodium nitrite; In water; at 0 ℃; for 1h;

With ammonium hydroxide; copper(ll) sulfate pentahydrate; hydroxylamine hydrochloride; sodium hydroxide; In water; at 70 ℃; for 1h;

DOI:10.1002/ejoc.200900805

Reference yield:

copper(ll) sulfate pentahydrate + hydroxylamine hydrochloride (5470-11-1) + 5-Bromo-2-aminobenzoic acid (5794-88-7) → 4,4‘-dibromo-2,2‘-bis(carboxyl)-1,1‘-biphenyl (54389-67-2)

Guidance literature:

With hydrogenchloride; ammonia; sodium nitrite; In 6N-sodium hydroxide; water;

upstream raw materials:

diphenic acid

2,7-dibromo-phenanthrene-9,10-dione

5-Bromo-2-aminobenzoic acid

sulfuric acid

Downstream raw materials:

4,4'-dibromo-2,2'-bis(methoxycarbonyl)-1,1'-biphenyl

2,7-dibromofluorene-9-one

3-hexyl-1-(2',7'-dibromo-9',9'-diphenylfluoren-4'-yl)nonan-1-one

3-hexyl-1-(2',7'-dibromo-9',9'-diphenylfluoren-4'-yl)nonan-1-one

Refernces

• 1、 Jin, Guo-Xia,Li, Yu-Long,Ma, Jian-Ping,Sun, Yanyan,Wang, Teng. "Photochromic Rhenium-Based Molecular Rectangles: Syntheses, Structures, Photophysical Properties, and Electrochemistry". . p. 15019 - 15027. Retrieved 2020.
• 2、 Klaasen, Henning,Liu, Lacheng,Gao, Hong-Ying,Viergutz, Lena,Held, Philipp A.,Knecht, Tobias,Meng, Xiangzhi,B?rner, Melanie C.,Barton, Dennis,Amirjalayer, Saeed,Neugebauer, Johannes,Studer, Armido,Fuchs, Harald. "Intermolecular coupling and intramolecular cyclization of aryl nitriles on Au(111)". supporting information. p. 11611 - 11614. Retrieved 2019/10/02.