1-THP-4-Pyrazoleboronic acid pinacol ester
Pharmaceutical Materials 2025-03-20
CAS.No:1003846-21-6
Appearance:White powder
Molecular Formula:C14H23BN2O3
Purity:HPLC≥99.5%
Molecular weight:278.15
Capacity:20T/month
Application:Pharmaceutical intermediates
| Property | Details |
|---|---|
| Molecular Formula | C14H23BN2O3 |
| Molecular Weight | 278.16 g/mol |
| CAS Number | 1003846-21-6 |
| Appearance | White to off-white crystalline solid or powder |
| Purity | Typically ≥95% |
| Melting Point | N/A (typically stored and used as a solid) |
| Boiling Point | Predicted to be above 400 °C at 760 mmHg |
| Density | Approximately 1.16 g/cm³ (Predicted) |
| Solubility | Soluble in organic solvents such as THF, DMF, and DMSO; slightly soluble in water |
| Applications | Organic synthesis, pharmaceuticals, agrochemicals, and materials science |
| Safety Considerations | Handle with care; avoid contact with skin and eyes; store in a cool, dry place away from moisture and strong acids |
| Suppliers | Available from specialized chemical suppliers globally |
Applications
1-THP-4-Pyrazoleboronic Acid Pinacol Ester is a versatile compound widely used in organic synthesis, particularly in Suzuki-Miyaura coupling reactions. Its pyrazole ring and protected tetrahydropyran (THP) group provide unique reactivity, making it a valuable intermediate in the synthesis of various heterocyclic compounds.
In pharmaceuticals, this compound is utilized in the development of drugs with enhanced biological activity and specificity. The THP protecting group can be easily removed under mild conditions, enabling further functionalization of the pyrazole ring.
In agrochemicals, 1-THP-4-Pyrazoleboronic Acid Pinacol Ester serves as a building block for the synthesis of pesticides and herbicides, offering improved efficacy and environmental safety. Additionally, this compound finds applications in materials science, where its unique structure can be exploited to create polymers and materials with tailored properties.
Its solubility in organic solvents facilitates its use in various synthetic methodologies, while its stability under appropriate storage conditions ensures its reliability in research and industrial applications.


