2-Chloro-1-(5H-chromeno[2,3-b]pyridin-7-yl)-1-propanone(CAS: 146330-68-9)

2-Chloro-1-(5H-chromeno[2,3-b]pyridin-7-yl)-1-propanone is a crystalline solid with a molecular weight of approximately 300.09 g/mol. It has low solubility in water but is soluble in organic solvents such as ethanol and acetone. It is mildly reactive towards nucleophiles and has limited reactivity towards strong acids or bases. This compound is often used in pharmaceutical and organic synthesis applications due to its unique chemical structure.

2-Chloro-1-(5H-chromeno[2,3-b]pyridin-7-yl)-1-propanone can be synthesized via a multi-step process involving the condensation of 5-chloro-1H-chromeno[2,3-b]pyridin-7-one with an appropriate ketone. The reaction typically requires the use of a catalyst such as a Lewis acid or a base. The overall yield is moderate, around 50-70%, and the method involves careful purification steps to isolate the desired product from byproducts.

2-Chloro-1-(5H-chromeno[2,3-b]pyridin-7-yl)-1-propanone is primarily used in the pharmaceutical industry for the synthesis of various drugs, particularly those targeting specific receptor sites. It is also utilized in the polymer industry for the development of advanced materials and in the semiconductor industry for the fabrication of electronic devices due to its unique electronic properties.

When handling 2-Chloro-1-(5H-chromeno[2,3-b]pyridin-7-yl)-1-propanone, it is important to wear appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. The compound should be used in a well-ventilated area or a fume hood to minimize inhalation risks. Spills should be cleaned up immediately using appropriate absorbents and the area should be rinsed thoroughly. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal information.