Used in pharmaceutical research as a key intermediate in the synthesis of kinase inhibitors, particularly in the development of targeted cancer therapies. The morpholino moiety enhances water solubility and stability, making it suitable for biological applications. Its ethynyl group enables click chemistry reactions, facilitating conjugation in bioconjugation strategies for drug delivery and labeling. Also employed in materials science for constructing conjugated organic frameworks with potential applications in optoelectronics.