1,1'-[1-(4-Methylphenyl)ethene-1,2-diyl]dibenzene

Base Information

• Chemical Name: 1,1'-[1-(4-Methylphenyl)ethene-1,2-diyl]dibenzene
• CAS No.: 70603-14-4
• Molecular Formula: C21H18
• Molecular Weight: 270.374
• DSSTox Substance ID: DTXSID30503352
• Mol file: 70603-14-4.mol

Synonyms:70603-14-4;1,1'-[1-(4-Methylphenyl)ethene-1,2-diyl]dibenzene;DTXSID30503352

Chemical Property of 1,1'-[1-(4-Methylphenyl)ethene-1,2-diyl]dibenzene

Chemical Property:

• XLogP3: 6.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 3
• Exact Mass: 270.140850574
• Heavy Atom Count: 21
• Complexity: 320

Purity/Quality:

85.0-99.8% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC=C(C=C1)C(=CC2=CC=CC=C2)C3=CC=CC=C3

Technology Process of 1,1'-[1-(4-Methylphenyl)ethene-1,2-diyl]dibenzene

There total 43 articles about 1,1'-[1-(4-Methylphenyl)ethene-1,2-diyl]dibenzene 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: 99.0%

(E)-1,2-diphenyl-ethene (103-30-0) + 4-methylphenylboronic acid (5720-05-8) → 1-[(1E)-1,2-diphenylethenyl]-4-methylbenzene (70603-14-4,84224-87-3,84224-86-2)

Guidance literature:

With potassium fluoride; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; palladium diacetate; Trimethylacetic acid; In tetrahydrofuran; at 20 ℃; for 24h; optical yield given as %de; diastereoselective reaction; Inert atmosphere;

DOI:10.1002/anie.201108211

Reference yield: 95.0%

(E)-1-bromo-1,2-diphenylethene (14447-41-7,40389-50-2) + 4-methylphenylboronic acid (5720-05-8) → 1-[(1E)-1,2-diphenylethenyl]-4-methylbenzene (70603-14-4,84224-87-3,84224-86-2)

Guidance literature:

With potassium hydroxide; triphenylphosphine; palladium diacetate; In tetrahydrofuran; methanol; at 25 ℃; for 1h;

DOI:10.1055/s-2006-956467

Reference yield: 93.0%

4-methylphenylboronic acid (5720-05-8) + diphenyl acetylene (501-65-5) → 1-[(1E)-1,2-diphenylethenyl]-4-methylbenzene (70603-14-4,84224-87-3,84224-86-2)

Guidance literature:

With acetylacetonatodicarbonylrhodium(l); In water; toluene; at 90 ℃; for 12h;

DOI:10.1021/ol802927v

upstream raw materials:

1-(4-methylphenyl)-1,2-diphenylethanol

diphenyl acetylene

toluene

4-Methylbenzophenone

Downstream raw materials:

(E,Z)-1,2-diphenyl-2-tolylvinyl bromide

1-(4-methylphenyl)-1,2-diphenylethane