4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane

4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane (CAS 25015-63-8) is a liquid boronate reagent supplied by Shanghai Forxine Pharmaceutical Co., Ltd., used as a mild reaction partner in Suzuki coupling chemistry for the synthesis of natural products and materials. Compared with the related reagent bis(pinacolato)diboron, it offers higher efficiency, lower toxicity, and non-toxic by-products, and its liquid form makes it convenient to handle in reaction feeding and downstream processing; it is sold into North and South America, Western and Eastern Europe, Australasia, and Asia.