Secologanin is widely used in the biosynthesis of complex alkaloids, particularly in the production of indole alkaloids. It serves as a key intermediate in the synthesis of compounds like vinblastine and vincristine, which are important anticancer drugs. In plant biology, it plays a crucial role in the metabolic pathways of plants, contributing to the formation of diverse secondary metabolites. Additionally, it is utilized in research to study terpenoid indole alkaloid pathways and their regulation, aiding in the development of novel bioactive compounds. Its applications also extend to the pharmaceutical industry for the development of therapeutic agents targeting various diseases.