5-Bromo-1-benzothiophene-2-carboxylic acid(CAS: 7312-10-9)

5-Bromo-1-benzothiophene-2-carboxylic acid is a crystalline solid with a molecular weight of approximately 268.12 g/mol. It has a low solubility in water but is soluble in organic solvents like ethanol and acetone. The compound is known for its aromatic reactivity and can undergo substitution reactions. It is used in organic synthesis and pharmaceutical applications.

5-Bromo-1-benzothiophene-2-carboxylic acid is typically synthesized via bromination of 1-benzothiophene-2-carboxylic acid using N-bromosuccinimide (NBS) as the brominating agent. The reaction proceeds under UV light in the presence of a suitable solvent such as dichloromethane. The yield is generally high, and the product can be isolated by recrystallization.

5-Bromo-1-benzothiophene-2-carboxylic acid is used in various industries. It is a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antitumor drugs. It is also utilized in the production of organic electronic materials, such as semiconductors and organic light-emitting diodes (OLEDs). Additionally, it has applications in the preparation of polymer-based sensors.

When handling 5-Bromo-1-benzothiophene-2-carboxylic acid, it is essential to wear appropriate personal protective equipment (PPE) such as gloves and safety goggles. The compound should be used in a well-ventilated area or a fume hood to minimize exposure to bromine fumes. In case of a spill, it is important to follow the material safety data sheet (MSDS) guidelines for proper disposal and clean-up. Always consult the SDS for detailed safety information.