1-Ethyl-6-fluoro-4-oxo-7-(1-piperazinyl)-1,4-dihydro-3-quinolinecarboxylic acid - nicotinic acid (1:1)(CAS: 118803-81-9)

This compound has a crystalline form and a molecular weight of approximately 501.78 g/mol. It is slightly soluble in water and ethanol. Chemically, it is reactive towards bases and can undergo hydrolysis under basic conditions. It is also known for its stability under acidic conditions.

This compound is typically synthesized by the condensation of 1-ethyl-6-fluoro-4-oxo-7-(1-piperazinyl)-1,4-dihydro-3-quinolinecarboxylic acid with nicotinic acid. The reaction is catalyzed by a suitable base and proceeds with good selectivity and yield, typically around 80-90%. The exact conditions depend on the purity of starting materials and reaction temperature.

This compound is primarily used in the pharmaceutical industry as an intermediate for the synthesis of other drugs. It can also find applications in the development of sensors and semiconductors due to its unique chemical properties.

When handling this compound, it is recommended to use appropriate personal protective equipment (PPE) such as gloves and safety goggles. The compound should be stored in a fume hood to minimize exposure. Spills should be handled carefully, and the site should be decontaminated using appropriate solvents. Always refer to the safety data sheet (SDS) for detailed handling and storage information.