4,4''-p-Terphenyldicarboxaldehyde

Base Information

• Chemical Name: 4,4''-p-Terphenyldicarboxaldehyde
• CAS No.: 62940-38-9
• Molecular Formula: C20H14O2
• Molecular Weight: 286.32
• Hs Code.: 2912299000
• Mol file: 62940-38-9.mol

Synonyms:4,4''-p-Terphenyldicarboxaldehyde;[1,1':4',1''-Terphenyl]-4,4''-dicarboxaldehyde

Chemical Property of 4,4''-p-Terphenyldicarboxaldehyde

Chemical Property:

• Melting Point: 210-213 °C(Solv: toluene (108-88-3); ethanol (64-17-5))
• Boiling Point: 511.9±43.0 °C(Predicted)
• PSA: 34.14000
• Density: 1.176±0.06 g/cm3(Predicted)
• LogP: 4.64560

Purity/Quality:

97% ^*data from raw suppliers

[1,1':4',1''-Terphenyl]-4,4''-dicarboxaldehyde 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,4''-p-Terphenyldicarboxaldehyde

There total 9 articles about 4,4''-p-Terphenyldicarboxaldehyde 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: 98.0%

1,4-Phenyldiboronic acid (4612-26-4) + 4-bromo-benzaldehyde (1122-91-4) → [1,1′:4′,1″-terphenyl]-4,4″-dicarbaldehyde (62940-38-9)

Guidance literature:

With [PdCl₂(2-pyridin-2-yl-benzo[b]thiophen-3-ol)]; potassium carbonate; In water; N,N-dimethyl-formamide; at 90 ℃; for 8h; Reagent/catalyst; Temperature; Solvent; Catalytic behavior;

DOI:10.1002/ejic.201403003

Reference yield: 97.0%

para-dichlorobenzene (106-46-7,84348-21-0) + 4-formylphenylboronic acid, (87199-17-5) → [1,1′:4′,1″-terphenyl]-4,4″-dicarbaldehyde (62940-38-9)

Guidance literature:

With C₂₇H₃₉Br₂N₃Pd; potassium hydroxide; In isopropyl alcohol; at 82 ℃; for 0.5h;

DOI:10.1016/j.tet.2018.10.003

Reference yield: 96.0%

1.4-dibromobenzene (106-37-6) + 4-formylphenylboronic acid, (87199-17-5) → [1,1′:4′,1″-terphenyl]-4,4″-dicarbaldehyde (62940-38-9)

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In 1,2-dimethoxyethane; water; for 6h; Heating;

DOI:10.1081/SCC-200048397

upstream raw materials:

4,4-bis(bromomethyl)-1,1':4',1-terphenyl

1,4-bis(p-tolyl)benzene

1.4-dibromobenzene

4-formylphenylboronic acid,

Downstream raw materials:

4,4''-bis<3,3',4,4'-tetramethyl-5,5'-bis(ethoxycarbonyl)-2,2'-dipyrrylmethyl>-p-terphenyl

4-(5,5-Dimethyl-[1,3]dioxan-2-yl)-[1,1';4',1'']terphenyl-4''-carbaldehyde

4-[(1Z,4Z,9Z,15Z)-15-(2,6-Bis-benzyloxy-phenyl)-2,8,12,18-tetrahexyl-3,7,13,17-tetramethyl-porphyrin-5-yl]-[1,1';4',1'']terphenyl-4''-carbaldehyde

4,4''-bis(oxazol-5-yl)-p-terphenyl