The primary objective of this work is to delve into the intricacies of allylic uorination reactions through the application of density functional theory (DFT) calculations. These reactions hold signi cant importance in the realm of synthesizing organo uorine compounds. The speci c focus lies on comprehending the interaction mechanisms when styrenes, a class of organic molecules, come in contact with an electrophilic uorinating reagent known as Select uor. Notably, this interaction pathway demonstrates remarkable e ciency in yielding allylic uoride products. The proposed mechanism for this transformation involves a sequential process. To unveil the microcosmic intricacies governing this reaction between the alkene substrate and Select uor, advanced computational methodologies are employed. The paper systematically outlines the computational strategies harnessed to probe the minute details of the reaction mechanism. The outcomes of these computations are subsequently subjected to thorough analysis, encompassing crucial facets such as transition states and energy barriers. This analytical depth enhances the fundamental understanding of the reaction mechanism and sheds light on the underlying factors in uencing its feasibility and e ciency.In a broader context, the insights garnered from this study carry signi cant utility. They provide pivotal guidance for the optimization of reaction conditions, facilitating the ne-tuning of experimental setups. Moreover, the elucidated mechanism serves as a platform for the design of even more e cient and selective allylic uorination reactions. This paper, by amalgamating theoretical insights with practical synthetic objectives, contributes to the broader advancement of organo uorine compound synthesis and allied elds.