1H-pyrazolo[3,4-d]pyrimidine(CAS: 271-80-7)

1H-pyrazolo[3,4-d]pyrimidine is a white or off-white crystalline solid with a molecular weight of approximately 168.15 g/mol. It has low water solubility and is soluble in common organic solvents like ethanol and dichloromethane. This compound is relatively stable but can react with strong acids, bases, and reducing agents under certain conditions.

1H-pyrazolo[3,4-d]pyrimidine can be synthesized via a multistep process starting with the condensation of 4-chloropyrimidine with 1,3-dichloropyrazole. The reaction is catalyzed by a Lewis acid like aluminum chloride, and the yield is around 70-80%. The product can be purified by recrystallization from water or ethanol.

1H-pyrazolo[3,4-d]pyrimidine is used in the pharmaceutical industry as a key intermediate for the synthesis of various drugs. It also finds applications in the polymer industry for the development of advanced materials and in the electronic industry for the production of semiconductor materials. Additionally, it is used in the sensor industry for its unique chemical properties.

When handling 1H-pyrazolo[3,4-d]pyrimidine, it is important to use appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work in a well-ventilated area or fume hood to minimize inhalation risks. Spills should be cleaned up using appropriate absorbent materials and disposed of according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed handling and storage instructions.