Abstract
AbstractFluorene is a well conjugated, planar, polycyclic aromatic organic compound that was first noticed, isolated, and purified by a French chemist, Marcellin Berthelot, in 1867. Since then, plenty of scientific investigators has spent years and decades understanding more about fluorene and its derivatives because of its high scope of applications in polymers, electronic devices, sensors, and photochromic materials. By considering the significance and novelty of the title molecule and the need for a concise assembly of its various synthetic methodologies, we tried to incorporate all the significant and recent developments and modifications regarding the synthesis of fluorenes. Here we portrayed various synthetic strategies to get different classes of fluorenes, including 9‐substituted fluorenes, spirofluorene‐based compounds, fluorenes with ring substitution, and fluorene‐based oligomers and polymers. The synthetic approaches for designing fluorene derivatives that are of high utility as well as environment friendly have been briefed in this review.
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