Used as a reagent in organic synthesis, particularly in cross-coupling reactions such as Suzuki-Miyaura coupling, where it acts as a stable and selective source of the 2-acetoxyethyl group. The trifluoroborate moiety enhances stability and solubility, allowing for efficient transformation under mild conditions. It enables the introduction of functionalized ethyl chains into aromatic or heteroaromatic systems, which is valuable in the synthesis of pharmaceuticals, agrochemicals, and bioactive molecules. The acetoxy group can be easily hydrolyzed to yield hydroxyethyl derivatives, offering further functionalization opportunities in multistep syntheses.