Thiophene-2,3-dicarbonyl dichloride

Base Information

• Chemical Name: Thiophene-2,3-dicarbonyl dichloride
• CAS No.: 63599-98-4
• Molecular Formula: C₆H₂Cl₂O₂S
• Molecular Weight: 209.053
• DSSTox Substance ID: DTXSID80495379
• Wikidata: Q82343446
• Mol file: 63599-98-4.mol

Synonyms:63599-98-4;SCHEMBL4265991;DTXSID80495379;Thiophene-2,3-dicarbonyl dichloride

Chemical Property of Thiophene-2,3-dicarbonyl dichloride

Chemical Property:

• XLogP3: 3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 2
• Exact Mass: 207.9152559
• Heavy Atom Count: 11
• Complexity: 195

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CSC(=C1C(=O)Cl)C(=O)Cl

Technology Process of Thiophene-2,3-dicarbonyl dichloride

There total 4 articles about Thiophene-2,3-dicarbonyl dichloride 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:

thiophene-2,3-dicarboxylic acid (1451-95-2) → Thiophene-2,3-dicarbonylchloride (63599-98-4)

Guidance literature:

With phosphorus pentachloride; for 14h; Heating;

Reference yield:

3-methyl-2-thiophenecarboxylic acid (23806-24-8) → Thiophene-2,3-dicarbonylchloride (63599-98-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 45 percent / aq. NaOH; potassium permanganate / 6 h / Heating

2: thionyl chloride / 1 h / Heating

With sodium hydroxide; potassium permanganate; thionyl chloride; 1: Oxidation / 2: Chlorination;

DOI:10.1016/S0968-0896(98)00241-7

Reference yield:

2,3-Dicyanothiophene (18853-42-4) → Thiophene-2,3-dicarbonylchloride (63599-98-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 78 percent / conc. hydrochloric acid / 6 h / Heating

2: Phosphorus pentachloride / 14 h / Heating

With hydrogenchloride; phosphorus pentachloride;

upstream raw materials:

thiophene-2,3-dicarboxylic acid

3-methyl-2-thiophenecarboxylic acid

2,3-Dicyanothiophene