2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid

Base Information

• Chemical Name: 2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid
• CAS No.: 474003-13-9
• Molecular Formula: C₃₄H₃₄O₈Si₂
• Molecular Weight: 626.81
• Mol file: 474003-13-9.mol

Synonyms:2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid

Chemical Property of 2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid

There total 6 articles about 2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic 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: 72.0%

2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-tetramethylbiphenyl (474003-09-3) → 2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid (474003-13-9)

Guidance literature:

2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-tetramethylbiphenyl; With pyridine; potassium permanganate; In water; for 24h; Heating;

With sodium hydroxide; potassium permanganate; In water;

DOI:10.1021/ma0214557

Reference yield:

4-bromo-o-xylene (583-71-1) → 2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid (474003-13-9)

Guidance literature:

Multi-step reaction with 4 steps

1.1: 80 percent / Zn; 2,2'-bipyridyl; Ni / triphenylphosphine / dimethylformamide / 24 h / 90 °C

2.1: 75 percent / Br₂; FeCl₃ / CH₂Cl₂

3.1: 72 percent / tetrakis(triphenylphosphine)palladium⁽⁰⁾; Na₂CO₃ / toluene / 24 h / Heating

4.1: KMnO₄; pyridine / H₂O / 24 h / Heating

4.2: 72 percent / KMnO₄; NaOH / H₂O

With pyridine; [2,2]bipyridinyl; potassium permanganate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; bromine; iron(III) chloride; nickel; sodium carbonate; zinc; triphenylphosphine; In dichloromethane; water; N,N-dimethyl-formamide; toluene;

DOI:10.1021/ma0214557

Reference yield:

3,4,3',4'-Tetramethylbiphenyl (4920-95-0) → 2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid (474003-13-9)

Guidance literature:

Multi-step reaction with 3 steps

1.1: 75 percent / Br₂; FeCl₃ / CH₂Cl₂

2.1: 72 percent / tetrakis(triphenylphosphine)palladium⁽⁰⁾; Na₂CO₃ / toluene / 24 h / Heating

3.1: KMnO₄; pyridine / H₂O / 24 h / Heating

3.2: 72 percent / KMnO₄; NaOH / H₂O

With pyridine; potassium permanganate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; bromine; iron(III) chloride; sodium carbonate; In dichloromethane; water; toluene;

DOI:10.1021/ma0214557

upstream raw materials:

2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-tetramethylbiphenyl

3,4,3',4'-Tetramethylbiphenyl

4-bromo-o-xylene

1-bromo-4-(trimethylsilyl)benzene

Downstream raw materials:

2,2'-bis(4''-trimethylsilylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid dianhydride

Refernces