Pyridine,4,4'-(1,4-phenylenedi-2,1-ethenediyl)bis-

Base Information

• Chemical Name: Pyridine,4,4'-(1,4-phenylenedi-2,1-ethenediyl)bis-
• CAS No.: 3095-81-6
• Molecular Formula: C₂₀H₁₆N₂
• Molecular Weight: 284.36
• Mol file: 3095-81-6.mol

Synonyms:Pyridine,4,4'-(p-phenylenedivinylene)di- (6CI,7CI,8CI);1,4-Bis[2-(4-pyridyl)ethenyl]benzene; p-Bis(2-(pyridin-4-yl)ethenyl)benzene

Chemical Property of Pyridine,4,4'-(1,4-phenylenedi-2,1-ethenediyl)bis-

Chemical Property:

• Boiling Point: 481.5°Cat760mmHg
• Flash Point: 183.6°C
• PSA: 25.78000
• Density: 1.173g/cm³
• LogP: 4.81740

Purity/Quality:

99%, ^*data from raw suppliers

1,4-Bis(2-(pyridin-4-yl)vinyl)benzene 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Pyridine,4,4'-(1,4-phenylenedi-2,1-ethenediyl)bis-

There total 21 articles about Pyridine,4,4'-(1,4-phenylenedi-2,1-ethenediyl)bis- 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: 90.0%

4-vinylpyridine (100-43-6,329041-72-7) + 1.4-dibromobenzene (106-37-6) → 4-((E)-2-[4-[(E)-2-(pyridin-4-yl)vinyl]phenyl]vinyl)pyridine (110144-22-4,3095-81-6)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 110 ℃; for 10h;

DOI:10.1016/j.jorganchem.2020.121676

Reference yield: 88.0%

picoline (108-89-4) + terephthalaldehyde, (623-27-8) → 4-((E)-2-[4-[(E)-2-(pyridin-4-yl)vinyl]phenyl]vinyl)pyridine (110144-22-4,3095-81-6) + 4-<2-(4-pyridyl)ethenyl>benzaldehyde (118528-62-4)

Guidance literature:

With acetic anhydride; acetic acid; at 100 ℃; for 6h;

DOI:10.1016/j.bmc.2019.05.032

Reference yield: 87.0%

pyridine-4-carbaldehyde (872-85-5) + tetraethyl 1,4-xylylenediphosphonate (4546-04-7) → 4-((E)-2-[4-[(E)-2-(pyridin-4-yl)vinyl]phenyl]vinyl)pyridine (110144-22-4,3095-81-6)

Guidance literature:

With potassium tert-butylate; In tetrahydrofuran; at 0 ℃; for 0.5h;

DOI:10.1002/poc.811

upstream raw materials:

picoline

terephthalaldehyde,

4-vinylpyridine

1.4-dibromobenzene

Downstream raw materials:

[AgBF₄*((E,E)-N,N'-bis(pyridylethylene)benzene]

(bis-1,4-(4-pyridylethyl-enyl)benzene)(Pt(PEt₃)2)2

Refernces

• 1、 Yang, Yaping,Ni, Xin-Long,Sun, Tao,Cong, Hang,Wei, Gang. "A highly selective and sensitive fluorescent chemosensor for Hg2+ based on a pyridine-appended π-conjugated ligand". . p. 47000 - 47004. Retrieved 2014.
• 2、 Niknam, Esmaeil,Panahi, Farhad,Khalafi-Nezhad, Ali. "Immobilized Pd on a NHC-functionalized metal-organic FrameworkMIL-101(Cr): An efficient heterogeneous catalyst in the heck and copper-free Sonogashira coupling reactions". supporting information. . Retrieved 2021/01/12.
• 3、 Wu, Huang,Wang, Yu,Jones, Leighton O.,Liu, Wenqi,Song, Bo,Cui, Yunpeng,Cai, Kang,Zhang, Long,Shen, Dengke,Chen, Xiao-Yang,Jiao, Yang,Stern, Charlotte L.,Li, Xiaopeng,Schatz, George C.,Fraser Stoddart. "Ring-in-ring(s) complexes exhibiting tunable multicolor photoluminescence". supporting information. p. 16849 - 16860. Retrieved 2020/11/09.