Compound Q&A
How is 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid (CAS: 7712-05-2) typically synthesized?
Answer
![4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid](https://static.chemtradehub.com/structs/771/7712-05-2-9ae7.webp "4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid")
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid can be synthesized through Friedel-Crafts acylation of 4,6-dihydrothieno[3,4-b]thiophene with acyl chloride in the presence of a Lewis acid catalyst, such as aluminum chloride. The yield can reach up to 85% under optimal conditions. This method ensures high selectivity to the desired product.
About
CAS No
7712-05-2
English Name
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
Molecular Formula
C7H6O2S2
Molecular Weight
186.25699999999998 g/mol
SMILES
C1C2=C(CS1)SC(=C2)C(=O)O
InChIKey
RBINIIIGSUWMLQ-UHFFFAOYSA-N
Last Updated: 2025-10-22 12:37
![查看Leyan Reagents的4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid](https://static.chemtradehub.com/suppliers/67ce1f8657537e5c8069b370/67ce1f8657537e5c8069b370-logo.webp){kind=logo}
![查看ShangHaiJiZhiShengHua Technology Co Ltd的4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid](https://static.chemtradehub.com/suppliers/67cecbee2b2de6e8e95a5b72/67cecbee2b2de6e8e95a5b72-logo.webp){kind=logo}