1-Ethyl-6-fluoro-7-(4-formyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid(CAS: 70459-04-0)

1-Ethyl-6-fluoro-7-(4-formyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid (CAS: 70459-04-0) is a crystalline solid with a molecular weight of approximately 338.19 g/mol. It is moderately soluble in water and has good solubility in organic solvents. This compound exhibits moderate reactivity, particularly towards nucleophiles. Its physical properties include a melting point of 150-152°C and a density of 1.34 g/cm³.

This compound is synthesized via a multi-step process involving the condensation of 6-fluoro-7-hydroxy-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid with 1-ethyl-4-formylpiperazine. The reaction typically requires the use of a base like triethylamine and is carried out in an inert atmosphere. The product is isolated via crystallization from a suitable solvent, with a yield of approximately 75-80%.

1-Ethyl-6-fluoro-7-(4-formyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid (CAS: 70459-04-0) is primarily used in the pharmaceutical industry for the development of novel drugs. It is also explored in the sensor and semiconductor industries for its unique chemical properties and potential applications.

When handling 1-Ethyl-6-fluoro-7-(4-formyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid (CAS: 70459-04-0), ensure the use of personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. Work in a well-ventilated fume hood to minimize exposure to vapors. Follow standard laboratory safety protocols, and have a spill kit and emergency response plan in place. Refer to the Safety Data Sheet (SDS) for more detailed information on handling and disposal.