(E)-5-[2-(4-dimethylaminophenyl)-vinyl]-thiophene-2-carbaldehyde

Base Information

• Chemical Name: (E)-5-[2-(4-dimethylaminophenyl)-vinyl]-thiophene-2-carbaldehyde
• CAS No.: 287958-61-6
• Molecular Formula: C₁₅H₁₅NOS
• Molecular Weight: 257.356
• Mol file: 287958-61-6.mol

Synonyms:(E)-5-[2-(4-dimethylaminophenyl)-vinyl]-thiophene-2-carbaldehyde

Chemical Property of (E)-5-[2-(4-dimethylaminophenyl)-vinyl]-thiophene-2-carbaldehyde

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (E)-5-[2-(4-dimethylaminophenyl)-vinyl]-thiophene-2-carbaldehyde

There total 5 articles about (E)-5-[2-(4-dimethylaminophenyl)-vinyl]-thiophene-2-carbaldehyde 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: 65.0%

2-[2-(4-dimethylaminophenyl)-vinyl]-thiophene (146823-46-3) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → (E)-5-[2-(4-dimethylaminophenyl)-vinyl]-thiophene-2-carbaldehyde (287958-61-6)

Guidance literature:

2-[2-(4-dimethylaminophenyl)-vinyl]-thiophene; With n-butyllithium; In tetrahydrofuran; hexane; at 0 ℃; for 1h;

N,N-dimethyl-formamide; In tetrahydrofuran; hexane; at 0 - 20 ℃; Further stages.;

DOI:10.1016/j.tet.2008.08.064

Reference yield: 19.1%

2-[2-(4-dimethylaminophenyl)-vinyl]-thiophene (146823-46-3) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → (E)-5-[2-(4-dimethylaminophenyl)-vinyl]-thiophene-2-carbaldehyde (287958-61-6) + cis-5-(4-(dimethylamino)styryl)thiophene-2-carbaldehyde

Guidance literature:

With trichlorophosphate; at 10 - 60 ℃; for 51.5h; Cooling with ice;

DOI:10.3390/ph14111147

Reference yield:

diethyl thien-2-ylmethylphosphonate (2026-42-8) → (E)-5-[2-(4-dimethylaminophenyl)-vinyl]-thiophene-2-carbaldehyde (287958-61-6)

Guidance literature:

Multi-step reaction with 2 steps

1: t-BuOK

With potassium tert-butylate; 2: Vilsmeier reaction;

DOI:10.1016/j.tetlet.2006.04.154

upstream raw materials:

formaldehyd

(E)-1-(4-N,N-dimethylaminophenyl)-2-(2-thienyl)ethylene

diethyl thien-2-ylmethylphosphonate

4-dimethylamino-benzaldehyde

Downstream raw materials:

(E,E)-2-(2-{5-[2-(4-dimethylaminophenyl)-vinyl]-thiophen-2-yl}-vinyl)-benzothiazole

(E,E)-2-(2-{5-[2-(4-dimethylaminophenyl)-vinyl]-thiophen-2-yl}-vinyl)-3-(prop-2-enyl)-benzothiazolium bromide