2-Benzyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane(CAS: 87100-28-5)

2-Benzyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is a colorless, crystalline compound with a molecular weight of approximately 220.26 g/mol. It has a low solubility in water but is soluble in organic solvents like acetone and dichloromethane. The compound is known for its reactivity in boron-containing reactions, particularly in Suzuki coupling reactions, where it acts as a boronate ester precursor.

2-Benzyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is commonly synthesized via the reaction of 2-benzyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl triflate with sodium borohydride. The reaction typically requires a strong base like sodium hydride or lithium hexamethyldisilazide as a catalyst. The yield is generally around 70-80%, and the product is isolated by column chromatography.

2-Benzyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is widely used in the pharmaceutical industry for the synthesis of various biologically active compounds. It is also utilized in the polymer industry for the production of functional polymers, and in the semiconductor industry for the preparation of advanced materials. Additionally, it has applications in sensor technology for detecting specific chemical species.

When handling 2-Benzyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, it is essential to use personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated fume hood to minimize exposure. Spills should be cleaned up using appropriate absorbent materials, and the area should be thoroughly ventilated before cleanup. Always consult the safety data sheet (SDS) for detailed safety information and emergency procedures.