thieno[2,3-c]furan-4,6-dione

Base Information

• Chemical Name: thieno[2,3-c]furan-4,6-dione
• CAS No.: 6007-83-6
• Molecular Formula: C6H2O3S
• Molecular Weight: 154.146
• Hs Code.: 2934999090
• Mol file: 6007-83-6.mol

Synonyms:thiophene-2,3-dicarboxylic anhydride;2,3-thiophene dicarboxylic anhydride;thiophene-2,3-dicarboxylic acid anhydride;Thiophen-2,3-dicarbonsaeure-anhydrid;

Chemical Property of thieno[2,3-c]furan-4,6-dione

Chemical Property:

• Vapor Pressure: 0.000772mmHg at 25°C
• Melting Point: 140.0 to 144.0 °C
• Boiling Point: 306.4°Cat760mmHg
• Flash Point: 139.1°C
• PSA: 71.61000
• Density: 1.674g/cm³
• LogP: 1.05870

Purity/Quality:

99.5% ^*data from raw suppliers

Thieno[2,3-c]furan-4,6-dione ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of thieno[2,3-c]furan-4,6-dione

There total 5 articles about thieno[2,3-c]furan-4,6-dione 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: 99.7%

thiophene-2,3-dicarboxylic acid (1451-95-2) → 2,3-thiophenedicarboxylic acid anhydride (6007-83-6)

Guidance literature:

With acetic anhydride; for 2h; Heating;

DOI:10.1021/ja00400a046

Reference yield:

2,3-diformylthiophene (932-41-2) → 2,3-thiophenedicarboxylic acid anhydride (6007-83-6)

Guidance literature:

Multi-step reaction with 2 steps

1: silver nitrate; sodium hydroxide / water; ethanol / 2 h / 20 °C

2: acetic anhydride / 16 h / 20 - 135 °C

With acetic anhydride; silver nitrate; sodium hydroxide; In ethanol; water;

Reference yield:

2-thiophenylcarboxylic acid (527-72-0) + carbon dioxide (124-38-9,18923-20-1) → 2,3-thiophenedicarboxylic acid anhydride (6007-83-6)

Guidance literature:

With n-butyllithium; acetic anhydride;

DOI:10.1002/adma.201305444

upstream raw materials:

thiophene-2,3-dicarboxylic acid

acetic anhydride

2-thiophenylcarboxylic acid

carbon dioxide

Downstream raw materials:

3-benzoylthiophene-2-carboxylic acid

5-(3-chloro-2,4,6-trimethylphenyl)-5H-thieno[2,3-c]pyrrole-4,6-dione

2-bromo-5-(2,4,6-trifluorophenyl)-5H-thieno[2.3-c]pyrrole-4,6-dione

2,2'-(2,2'-bithiophene-5,5'-diyl)bis(5-(2,4,6-trifluorophenyl)-5H-thieno[2,3-c]pyrrole-4,6-dione)

Refernces

• 1、 Tachibana,Toda,Azumi. "Physical Properties in Thin Films of a Thienoimide End-capped Compound". . p. 82 - 88. Retrieved 2019.
• 2、 -. "BENZOBIS-(THIADIAZOLE) DERIVATIVE, INK CONTAINING THE SAME, AND ORGANIC ELECTRONICS DEVICE USING THE SAME". Paragraph 0257; 0263; 0264; 0265; 0266. . Retrieved 2016/10/08.