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trifluoro(thiomorpholinomethyl)borate potassium(I); CAS No.: 1150654-80-0;trifluoro(thiomorpholinomethyl)borate potassium(I). PROPERTIES: Trifluoro(thiomorpholinomethyl)borate potassium(I) is an organoboron compound with a molecular weight of 269.23 g/mol. This white crystalline solid has a melting point between 110-113 C. The molecule features a thiomorpholine ring substituted with a trifluoromethyl group and a borate ester, forming a potassium salt. It demonstrates limited solubility in common organic solvents such as dimethylformamide and DMSO but is sparingly soluble in water. Proper storage involves keeping in tightly sealed containers at room temperature, protected from moisture and air. Safety considerations include the borate group's potential to release toxic fumes when heated and the thiomorpholine ring's general toxicity. Proper protective equipment should be utilized during handling. APPLICATIONS: This compound primarily functions as a cross-coupling reagent in organic synthesis, particularly in the formation of carbon-carbon bonds. In medicinal chemistry, it has been employed in creating kinase inhibitors and has shown utility in developing anticancer agents. The organoboron structure has also been explored in materials science for developing fluorescent probes, leveraging the electron-deficient boron center to tune optical properties. These applications are supported by research published in the Journal of Organic Chemistry and Chemical Communications.