9,9'-Spirobi[fluoren]-2-ylboronic acid(CAS: 236389-21-2)

9,9'-Spirobi[fluoren]-2-ylboronic acid is a crystalline solid with a molecular weight of approximately 384.23 g/mol. It is slightly soluble in organic solvents such as DMF and DMSO. Chemically, it is reactive and can undergo boronate ester formation reactions. It is stable under normal conditions but should be stored in a dry place to avoid moisture.

9,9'-Spirobi[fluoren]-2-ylboronic acid is synthesized via a multistep process involving the formation of a spiro fluorene via alkyne metathesis and subsequent boronation using pinacol borane. The reaction typically requires mild conditions and can achieve high yields with good selectivity.

9,9'-Spirobi[fluoren]-2-ylboronic acid is used in various industries, primarily in the pharmaceutical and semiconductor sectors. It is also utilized in the production of advanced organic materials and sensors due to its unique structural properties.

When handling 9,9'-Spirobi[fluoren]-2-ylboronic acid, it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coats. The substance should be stored in a dry environment, away from moisture. In case of spill, it should be cleaned up promptly using appropriate chemical spill kits. Always refer to the safety data sheet (SDS) for detailed safety instructions.