2,2':5',2''-TERTHIOPHENE-5-CARBOXALDEHYDE

Base Information

• Chemical Name: 2,2':5',2''-TERTHIOPHENE-5-CARBOXALDEHYDE
• CAS No.: 7342-41-8
• Molecular Formula: C13H8OS3
• Molecular Weight: 276.404
• Hs Code.: 2934999090
• Mol file: 7342-41-8.mol

Synonyms:5-(5-thiophen-2-ylthiophen-2-yl)thiophene-2-carbaldehyde;

Chemical Property of 2,2':5',2''-TERTHIOPHENE-5-CARBOXALDEHYDE

Chemical Property:

• Vapor Pressure: 9.02E-08mmHg at 25°C
• Melting Point: 133oC
• Boiling Point: 435.1°C at 760 mmHg
• Flash Point: 216.9°C
• PSA: 101.79000
• Density: 1.381g/cm³
• LogP: 5.01760
• Storage Temp.: under inert gas (nitrogen or Argon) at 2–8 °C

Purity/Quality:

99% ^*data from raw suppliers

2,2'':5'',2''''-Terthiophene-5-carboxaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 2,2'':5'',2''''-Terthiophene-5-carboxaldehyde is a chemical constituent of the aerial part of Eclipta prostrata plant.

Technology Process of 2,2':5',2''-TERTHIOPHENE-5-CARBOXALDEHYDE

There total 18 articles about 2,2':5',2''-TERTHIOPHENE-5-CARBOXALDEHYDE 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%

2,2':5',2''-terthiophene (1081-34-1) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 2,2':5',2''-terthiophene-5-carboxaldehyde (7342-41-8)

Guidance literature:

N,N-dimethyl-formamide; With trichlorophosphate; In dichloromethane; at 40 ℃; for 0.5h;

2,2':5',2''-terthiophene; In dichloromethane; at 20 ℃; for 28h; Further stages.;

DOI:10.1039/b701438d

Reference yield: 93.0%

thiophene boronic acid (6165-68-0) + 5′-iodo-[2,2′-bithiophene]-5-carbaldehyde → 2,2':5',2''-terthiophene-5-carboxaldehyde (7342-41-8)

Guidance literature:

With sodium phosphate dodecahydrate; palladium 10% on activated carbon; In isopropyl alcohol; at 80 ℃; for 4h;

Reference yield: 86.0%

2,2':5',2''-terthiophene (1081-34-1) + trichlorophosphate (10025-87-3,12599-09-6,63736-95-8,39380-77-3) → 2,2':5',2''-terthiophene-5-carboxaldehyde (7342-41-8)

Guidance literature:

2,2':5',2''-terthiophene; trichlorophosphate; With N,N-dimethyl-formamide; In dichloromethane; at 0 - 20 ℃;

With water; sodium acetate; In dichloromethane; at 20 ℃; for 5h;

DOI:10.1016/j.tet.2015.06.047

upstream raw materials:

2,2':5',2''-terthiophene

N,N-dimethyl-formamide

N-methyl-N-phenylformamide

monohydroxymethyl-alpha-terthiophene

Downstream raw materials:

5''-(4-(diphenylamino)phenyl)-2,2';5',2''-terthiophen-5-yl-carbaldehyde

C₄₆H₄₁N₃O₂S₃

monohydroxymethyl-alpha-terthiophene

Refernces

• 1、 Yin, Pengcheng,Niu, Qingfen,Yang, Qingxin,Lan, Linxin,Li, Tianduo. "A new “naked-eye” colorimetric and ratiometric fluorescent sensor for imaging Hg2+ in living cells". . . Retrieved 2019/11/03.
• 2、 Huang, Tian,Wu, Tongyue,Zhu, Zhiyang,Zhao, Li,Ci, Haina,Gao, Xuedong,Liu, Kaerdun,Zhao, Junfang,Huang, Jianbin,Yan, Yun. "Self-assembly facilitated and visible light-driven generation of carbon dots". supporting information. p. 5960 - 5963. Retrieved 2018/06/15.