1-Phenylcyclopropylamine is primarily utilized in the field of medicinal chemistry as a key intermediate in the synthesis of various pharmaceutical compounds. Its unique structure, featuring a cyclopropyl group attached to a phenyl ring, makes it a valuable building block for designing drugs that target the central nervous system. It is particularly significant in the development of monoamine oxidase inhibitors (MAOIs), which are used to treat depression and anxiety disorders. Additionally, this compound has been explored in the creation of novel antidepressants and neuroprotective agents due to its ability to modulate neurotransmitter activity. Researchers also investigate its potential in developing treatments for neurodegenerative diseases like Parkinson's and Alzheimer's. Its versatility in organic synthesis further extends to the production of agrochemicals and other biologically active molecules.