9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one(CAS: 84661-23-4)

9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one is a crystalline compound with a molecular weight of 288.01 g/mol. It is sparingly soluble in water but soluble in organic solvents like ethanol and acetonitrile. The compound is known for its good stability and moderate reactivity, especially towards nucleophiles.

9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one can be synthesized through a series of reactions including the condensation of appropriate precursors, followed by ring closure and chlorination steps. The synthesis typically requires a catalyst and involves multi-step processes to achieve high yield and selectivity.

9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one finds applications in the pharmaceutical industry for drug synthesis, as well as in the development of sensors and semiconductors due to its unique physicochemical properties.

When handling 9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one, it is recommended to use personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Ensure proper ventilation in a fume hood during handling, and follow safety data sheet (SDS) guidelines for spill management and disposal.