N,N'-di-p-Tolyl-N,N'-di(4-formylphenyl)benzidin

Base Information

• Chemical Name: N,N'-di-p-Tolyl-N,N'-di(4-formylphenyl)benzidin
• CAS No.: 181064-88-0
• Molecular Formula: C40H32N2O2
• Molecular Weight: 572.706
• Mol file: 181064-88-0.mol

Synonyms:N,N'-Di-p-tolyl-N,N'-di(4-formylphenyl)benzidin;4,4'-{4,4'-Biphenyldiylbis[(4-methylphenyl)imino]}dibenzaldehyde;4,4,-([1,1,-biphenyl]-4,4,-diylbis(p-tolylazanediyl))dibenzaldehyde

Chemical Property of N,N'-di-p-Tolyl-N,N'-di(4-formylphenyl)benzidin

Chemical Property:

• PSA: 40.62000
• LogP: 10.53500

Purity/Quality:

99% ^*data from raw suppliers

N,N'-DI-P-TOLYL-N,N'-DI(4-FORMYLPHENYL)BENZIDINE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of N,N'-di-p-Tolyl-N,N'-di(4-formylphenyl)benzidin

There total 2 articles about N,N'-di-p-Tolyl-N,N'-di(4-formylphenyl)benzidin 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: 80.0%

N,N'-di(4''-methylphenyl)-N,N'-diphenyl-1,1'-biphenyl-4,4'-diamine (20441-06-9) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 4,4′-([1,1′-biphenyl]-4,4′-diylbis(tolylazanediyl))dibenzaldehyde (181064-88-0)

Guidance literature:

N,N-dimethyl-formamide; With trichlorophosphate; at 0 ℃; for 1h; Inert atmosphere;

N,N'-di(4''-methylphenyl)-N,N'-diphenyl-1,1'-biphenyl-4,4'-diamine; In chloroform; at 80 ℃; for 12h; Inert atmosphere;

DOI:10.1016/j.dyepig.2015.11.012

Reference yield:

4-methyldiphenylamine (620-84-8) → 4,4′-([1,1′-biphenyl]-4,4′-diylbis(tolylazanediyl))dibenzaldehyde (181064-88-0)

Guidance literature:

Multi-step reaction with 2 steps

1.1: potassium carbonate; 18-crown-6 ether / 1,2-dichloro-benzene / 70 h / 200 °C / Inert atmosphere

2.1: trichlorophosphate / 1 h / 0 °C / Inert atmosphere

2.2: 12 h / 80 °C / Inert atmosphere

With 18-crown-6 ether; potassium carbonate; trichlorophosphate; In 1,2-dichloro-benzene;

DOI:10.1016/j.dyepig.2015.11.012

Reference yield: 74.0%

4,4′-([1,1′-biphenyl]-4,4′-diylbis(tolylazanediyl))dibenzaldehyde (181064-88-0) + 4-bromobenzyl triphenylphosphonium bromide (51044-13-4) → C54H42Br2N2

Guidance literature:

4,4′-([1,1′-biphenyl]-4,4′-diylbis(tolylazanediyl))dibenzaldehyde; 4-bromobenzyl triphenylphosphonium bromide; With potassium tert-butylate; In tetrahydrofuran; at 0 ℃; for 24h; Reflux;

With iodine; In toluene; for 12h; Reflux;

upstream raw materials:

4-methyldiphenylamine

N,N'-di(4''-methylphenyl)-N,N'-diphenyl-1,1'-biphenyl-4,4'-diamine

N,N-dimethyl-formamide

Refernces

• 1、 -. "Vinyl-bridged crosslinking-type micromolecule hole transport material, preparing method and application thereof and preparing technology of crosslinking hole transport layer". Paragraph 0050; 0052; 0054. . Retrieved 2019/10/01.