7-Chloropyrazolo[1,5-a]pyrimidine(CAS: 58347-49-2)

7-Chloropyrazolo[1,5-a]pyrimidine is a crystalline solid with a molecular weight of approximately 196.03 g/mol. It is slightly soluble in water but soluble in common organic solvents like DMSO. Chemically, it is reactive towards nucleophiles and can undergo substitution reactions. It exhibits good stability under normal storage conditions but requires protection from moisture and light.

7-Chloropyrazolo[1,5-a]pyrimidine is synthesized via various routes, commonly through the reaction of chloropyrazine and hydrazine, followed by pyrimidine ring closure. This process often involves the use of a catalyst such as an acid or base, with high selectivity and yield. Detailed procedures can be found in literature and patents.

7-Chloropyrazolo[1,5-a]pyrimidine is used in the pharmaceutical industry for developing drugs. It also finds applications in the synthesis of polymers and as a component in sensors and semiconductors due to its unique electronic and structural properties.

When handling 7-Chloropyrazolo[1,5-a]pyrimidine, it is essential to wear personal protective equipment (PPE) such as gloves, safety glasses, and a lab coat. Work should be conducted in a fume hood to minimize inhalation risks. Spills should be cleaned up using appropriate absorbents, and the area should be well-ventilated. Refer to the Safety Data Sheet (SDS) for more detailed handling instructions.