4-bromo-7-fluoro-1H-indole(CAS: 883500-66-1)

4-bromo-7-fluoro-1H-indole is a solid at room temperature, with a molecular weight of approximately 254.02 g/mol. It has a low solubility in water but is more soluble in organic solvents like ethanol and acetone. The compound shows moderate reactivity with electrophiles and can undergo substitution reactions. Its physical properties include a crystalline form with a melting point around 179-182°C.

4-bromo-7-fluoro-1H-indole can be synthesized via a Knoevenagel condensation reaction of 7-fluoroindole with a bromoalkyl ketone, followed by purification. This method uses a Lewis acid as a catalyst, and the reaction yields are generally good. The process involves careful control of reaction conditions to achieve high selectivity towards the desired product.

4-bromo-7-fluoro-1H-indole is used in the pharmaceutical industry for the synthesis of certain drug intermediates. It may also be employed in polymer chemistry for the development of novel materials. Additionally, it could have applications in other sectors such as sensors and semiconductors due to its unique chemical structure.

When handling 4-bromo-7-fluoro-1H-indole, it is crucial to wear appropriate personal protective equipment (PPE), including gloves, safety goggles, and a lab coat. Ensure the work is conducted in a well-ventilated area or a fume hood to minimize inhalation risks. Spills should be handled carefully using appropriate absorbent materials, and the area should be cleaned thoroughly. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety information.