2,3-Thiophenedicarboxaldehyde

Base Information

• Chemical Name: 2,3-Thiophenedicarboxaldehyde
• CAS No.: 932-41-2
• Molecular Formula: C6H4O2S
• Molecular Weight: 140.163
• Hs Code.: 2934999090
• Mol file: 932-41-2.mol

Synonyms:2,3-Bisthiophenecarboxaldehyde;2,3-Diformylthiophene;

Chemical Property of 2,3-Thiophenedicarboxaldehyde

Chemical Property:

• Vapor Pressure: 0.000684mmHg at 25°C
• Melting Point: 76-78 °C(lit.)
• Refractive Index: 1.668
• Boiling Point: 308.4 °C at 760 mmHg
• Flash Point: 140.3 °C
• PSA: 52.48000
• Density: 1.37 g/cm³
• LogP: 4.44840
• Storage Temp.: under inert gas (nitrogen or Argon) at 2–8 °C
• Solubility.: soluble in Methanol

Purity/Quality:

99% ^*data from raw suppliers

2,3-Thiophenedicarboxaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 2,3-Thiophenedicarboxaldehyde may be employed for the synthesis of TIPSE (triisopropylsilylethynyl)-substituted dibromoanthradithiophene (TIPSEBr2- AntDT).

Technology Process of 2,3-Thiophenedicarboxaldehyde

There total 2 articles about 2,3-Thiophenedicarboxaldehyde 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:

2,3-bis(hydroxymethyl)thiophene (13250-85-6) → 2,3-diformylthiophene (932-41-2)

Guidance literature:

With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; In ethyl acetate; acetone; at 80 ℃; for 3.5h;

DOI:10.1016/j.tet.2011.05.115

Reference yield:

→ 2,3-diformylthiophene (932-41-2)

Guidance literature:

Reference yield: 100.0%

2,3-diformylthiophene (932-41-2) + ethylene glycol (107-21-1) → 2,3-bis(1,3-dioxolan-2-yl)thiophene (231620-29-4)

Guidance literature:

With toluene-4-sulfonic acid; In water; toluene; for 16h; Reflux;

DOI:10.1016/j.tet.2011.06.098

upstream raw materials:

2,3-bis(hydroxymethyl)thiophene

Downstream raw materials:

Thieno<2,3-d>pyridazine

Anthra<2,3-b>thiophene-5,10-dione

5-nitro-4H-cyclopentathiophen-4-ol

Benzo[b]thiophene

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