1,1,2,2-Tetra(4-carboxylphenyl)ethylene

Base Information

• Chemical Name: 1,1,2,2-Tetra(4-carboxylphenyl)ethylene
• CAS No.: 1351279-73-6
• Molecular Formula: C₃₀H₂₀O₈
• Molecular Weight: 508.484
• Mol file: 1351279-73-6.mol

Synonyms:4,4′,4′′,4′′′-(ethene-1,1,2,2-tetrayl)-tetrabenzoic acid

Chemical Property of 1,1,2,2-Tetra(4-carboxylphenyl)ethylene

Chemical Property:

• Boiling Point: 752.3±60.0 °C(Predicted)
• PKA: 3.55±0.10(Predicted)
• Density: 1.429±0.06 g/cm3(Predicted)
• Storage Temp.: Keep in dark place,Inert atmosphere,Room temperature

Purity/Quality:

97% ^*data from raw suppliers

1,1,2,2-Tetra(4-carboxylphenyl)ethylene, 99% H4TCPE ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1,1,2,2-Tetra(4-carboxylphenyl)ethylene

There total 4 articles about 1,1,2,2-Tetra(4-carboxylphenyl)ethylene 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: 70.0%

4,4',4'',4'''-(ethene-1,1,2,2-tetrayl)tetrabenzonitrile (79802-71-4) → 4,4′,4′′,4′′′-(ethene-1,1,2,2-tetrayl)-tetrabenzoic acid (1351279-73-6)

Guidance literature:

4,4',4'',4'''-(ethene-1,1,2,2-tetrayl)tetrabenzonitrile; With potassium hydroxide; In ethylene glycol; for 72h; Reflux;

With hydrogenchloride; In water; ethylene glycol;

DOI:10.1021/ja209327q

Reference yield: 52.0%

carbon dioxide (124-38-9,18923-20-1) + 1,1,2,2-tetrakis(4-bromophenyl)ethene (61326-44-1) → 4,4′,4′′,4′′′-(ethene-1,1,2,2-tetrayl)-tetrabenzoic acid (1351279-73-6)

Guidance literature:

1,1,2,2-tetrakis(4-bromophenyl)ethene; With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 6h; Inert atmosphere;

carbon dioxide; In tetrahydrofuran; at -78 - 20 ℃; for 16h; Inert atmosphere;

DOI:10.1016/j.jphotochem.2019.112132

Reference yield:

1,1,2,2-tetrakis(4-bromophenyl)ethene (61326-44-1) → 4,4′,4′′,4′′′-(ethene-1,1,2,2-tetrayl)-tetrabenzoic acid (1351279-73-6)

Guidance literature:

Multi-step reaction with 2 steps

1: copper(l) iodide; potassium iodide; N,N`-dimethylethylenediamine / toluene / 48 h / 110 °C / Inert atmosphere

2: potassium hydroxide / ethylene glycol / 72 h / Reflux

With copper(l) iodide; potassium iodide; potassium hydroxide; N,N`-dimethylethylenediamine; In ethylene glycol; toluene;

DOI:10.1021/ja209327q

upstream raw materials:

1,1,2,2-tetrakis(4-bromophenyl)ethene

4,4',4'',4'''-(ethene-1,1,2,2-tetrayl)tetrabenzonitrile

1,1,2,2-tetraphenylethylene

carbon dioxide