Benzophenone imine is widely used in organic synthesis as a protecting group for amines. It is particularly valuable in peptide chemistry, where it shields amine functionalities during complex reactions, preventing unwanted side reactions. The imine group can be easily removed under mild conditions, making it a versatile tool in multi-step synthetic processes. Additionally, it serves as a precursor in the synthesis of various pharmaceuticals and agrochemicals, where it aids in the formation of nitrogen-containing compounds. Its stability and reactivity make it a preferred choice in the development of fine chemicals and intermediates.