4'-{4-[2-(2,5-dibromothiophen-3-yl)-vinyl]phenyl}-2,2':6'2''-terpyridine

Base Information

• Chemical Name: 4'-{4-[2-(2,5-dibromothiophen-3-yl)-vinyl]phenyl}-2,2':6'2''-terpyridine
• CAS No.: 208348-06-5
• Molecular Formula: C₂₇H₁₇Br₂N₃S
• Molecular Weight: 575.326
• Mol file: 208348-06-5.mol

Synonyms:4'-{4-[2-(2,5-dibromothiophen-3-yl)-vinyl]phenyl}-2,2':6'2''-terpyridine

Chemical Property of 4'-{4-[2-(2,5-dibromothiophen-3-yl)-vinyl]phenyl}-2,2':6'2''-terpyridine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4'-{4-[2-(2,5-dibromothiophen-3-yl)-vinyl]phenyl}-2,2':6'2''-terpyridine

There total 3 articles about 4'-{4-[2-(2,5-dibromothiophen-3-yl)-vinyl]phenyl}-2,2':6'2''-terpyridine 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:

2,5-dibromo thiophene-3-carboxaldehyde (1193-69-7) + diethyl 4-([2,2’:6’,2”-terpyridine]-4’-yl)benzylphosphonate (263708-67-4) → 4'-{4-[2-(2,5-dibromothiophen-3-yl)-vinyl]phenyl}-2,2':6'2''-terpyridine (208348-06-5)

Guidance literature:

With potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 2h;

DOI:10.1021/ma011479y

Reference yield:

3-thiophene carboxaldehyde (498-62-4) → 4'-{4-[2-(2,5-dibromothiophen-3-yl)-vinyl]phenyl}-2,2':6'2''-terpyridine (208348-06-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 75 percent / bromine; NaHCO₃ / CHCl₃ / 20 °C

2: potassium tert-butoxide / tetrahydrofuran / 2 h / 20 °C

With potassium tert-butylate; bromine; sodium hydrogencarbonate; In tetrahydrofuran; chloroform; 2: Horner-Wittig-Emmons conditions;

DOI:10.1021/ma011479y

Reference yield:

4'-(4-bromomethylphenyl)-2,2':6',2''-terpyridine (89972-78-1) → 4'-{4-[2-(2,5-dibromothiophen-3-yl)-vinyl]phenyl}-2,2':6'2''-terpyridine (208348-06-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 1 h / 120 °C

2: potassium tert-butoxide / tetrahydrofuran / 2 h / 20 °C

With potassium tert-butylate; In tetrahydrofuran; 2: Horner-Wittig-Emmons conditions;

DOI:10.1021/ma011479y

upstream raw materials:

2,5-dibromo thiophene-3-carboxaldehyde

diethyl 4-([2,2’:6’,2”-terpyridine]-4’-yl)benzylphosphonate

3-thiophene carboxaldehyde

4'-(4-bromomethylphenyl)-2,2':6',2''-terpyridine