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

Base Information

• Chemical Name: 2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid dianhydride
• CAS No.: 474003-15-1
• Molecular Formula: C₃₆H₃₀O₆
• Molecular Weight: 558.631
• Mol file: 474003-15-1.mol

Synonyms:2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid dianhydride

Chemical Property of 2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid dianhydride

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid dianhydride

There total 7 articles about 2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid dianhydride 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: 67.0%

2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid (474003-11-7) → 2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid dianhydride (474003-15-1)

Guidance literature:

With acetic anhydride; acetic acid; for 4h; Heating;

DOI:10.1021/ma0214557

Reference yield:

4-bromo-o-xylene (583-71-1) → 2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid dianhydride (474003-15-1)

Guidance literature:

Multi-step reaction with 5 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: 73 percent / tetrakis(triphenylphosphine)palladium⁽⁰⁾; Na₂CO₃ / toluene / 24 h / Heating

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

4.2: 80 percent / KMnO₄; NaOH / H₂O

5.1: 67 percent / acetic anhydride; acetic acid / 4 h / Heating

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

DOI:10.1021/ma0214557

Reference yield:

1-bromo-4-tert-butylbenzene (3972-65-4) → 2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid dianhydride (474003-15-1)

Guidance literature:

Multi-step reaction with 4 steps

1.1: Mg / tetrahydrofuran / Heating

1.2: trimethylborate / tetrahydrofuran / -78 - 20 °C

1.3: 80 percent / aq. HCl

2.1: 73 percent / tetrakis(triphenylphosphine)palladium⁽⁰⁾; Na₂CO₃ / toluene / 24 h / Heating

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

3.2: 80 percent / KMnO₄; NaOH / H₂O

4.1: 67 percent / acetic anhydride; acetic acid / 4 h / Heating

With pyridine; potassium permanganate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; acetic anhydride; sodium carbonate; magnesium; acetic acid; In tetrahydrofuran; water; toluene;

DOI:10.1021/ma0214557

upstream raw materials:

2,2'-bis(4''-tert-butylphenyl)-4,4',5,5'-biphenyltetracarboxylic acid

1-bromo-4-tert-butylbenzene

3,4,3',4'-Tetramethylbiphenyl

4-bromo-o-xylene