4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid(CAS: 7712-05-2)

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid (CAS: 7712-05-2) is a solid with a crystalline form. Its molecular weight is approximately 218.24 g/mol. This compound is slightly soluble in water and has good solubility in common organic solvents. It exhibits moderate reactivity and is susceptible to hydrolysis under basic conditions. It is not flammable but may react with strong oxidizers.

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.

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid (CAS: 7712-05-2) finds applications in the pharmaceutical industry for the synthesis of certain drugs, in the polymer industry for developing advanced materials, and in the semiconductor industry for use in electronic devices. It is also used in the production of sensors due to its unique chemical properties.

When handling 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid (CAS: 7712-05-2), it is essential to wear appropriate personal protective equipment (PPE) including gloves, safety goggles, and a lab coat. It should be stored in a cool, dry place away from direct sunlight and heat sources. Spills should be handled in a well-ventilated area using appropriate absorbents. Always refer to a Material Safety Data Sheet (MSDS) for specific safety guidelines.