4-chloro-6-fluoro-1H-indole(CAS: 885520-79-6)

4-Chloro-6-fluoro-1H-indole is a crystalline solid with a molecular weight of approximately 214.02 g/mol. It has a melting point of around 135-136°C and is slightly soluble in water. The compound shows moderate reactivity in acidic or basic conditions, making it suitable for various chemical transformations. It is insoluble in common organic solvents such as ethanol and acetone.

4-Chloro-6-fluoro-1H-indole is commonly synthesized through the condensation of 6-fluoronicotinic acid with chloroacetophenone. This reaction is typically catalyzed by a base such as sodium hydroxide, and the yield is usually around 70-80%. The selectivity for the desired product is high, and the reaction is carried out under mild conditions, making it a viable method for industrial production.

4-Chloro-6-fluoro-1H-indole finds applications in the pharmaceutical industry, where it serves as a precursor for the synthesis of active pharmaceutical ingredients. It is also used in the production of certain dyes and pigments. Additionally, this compound has potential uses in the development of sensors and semiconductors due to its unique electronic properties.

When handling 4-chloro-6-fluoro-1H-indole, it is crucial to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a fume hood to minimize exposure to the vapors. Spills should be cleaned up using appropriate absorbent materials, and the area should be ventilated. Always refer to the Safety Data Sheet (SDS) for detailed emergency procedures and storage guidelines.