Thieno[2,3-c]furan-4,6-dione is a heterocyclic organic compound characterized by its fused thieno and furan rings, which contribute to its unique chemical properties. This compound features a dione functional group, indicating the presence of two carbonyl (C=O) groups at the 4 and 6 positions of the thieno ring system. It is typically a yellow to brown solid, exhibiting moderate solubility in organic solvents. The presence of the thieno and furan moieties imparts interesting electronic properties, making it a subject of interest in organic electronics and materials science. Thieno[2,3-c]furan-4,6-dione can participate in various chemical reactions, including nucleophilic additions and cycloadditions, due to its electrophilic carbonyl groups. Additionally, it may exhibit biological activity, which has led to investigations into its potential applications in pharmaceuticals and agrochemicals. Overall, this compound's unique structure and reactivity make it a valuable compound in both synthetic chemistry and material science.

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

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2,3-Thiophenedicarboxylic anhydride is a compound that is used in the synthesis of thiophene and n-substituted thiophenes. It has been shown to be thermally stable at temperatures up to 400°C. 

2,3-Thiophenedicarboxylic anhydride can be prepared by desulfurization of 2,5-dichlorothiophene with zinc dust in diethyl ether. The reaction is catalyzed by copper(II) chloride and proceeds via the formation of an adduct followed by dehydrogenation. It can also be synthesized from 2-methylthiophene by the pyrolytic annulation with ethylene glycol and thenyl chloride. This method proceeds through a series of equilibria between the products of pyrolysis and/or dehydrogenation.

CAS 6007-83-6: thieno[2,3-c]furan-4,6-dione

2,3-Thiophenedicarboxylic Anhydride

Ref: 3D-FT159259

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

Ref: 54-OR938656

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

Ref: IN-DA00ECMW

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

Ref: 10-F226037

2,3-Thiophenedicarboxylic Anhydride

Ref: 3B-T3342