Used in organic synthesis as a key building block for Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds in the development of conjugated organic materials. Commonly applied in the preparation of organic semiconductors, light-emitting diodes (OLEDs), and fluorescent dyes due to its stable boronate ester group and rigid fluorene backbone. Its steric hindrance from dimethyl substitution enhances selectivity and stability during coupling processes. Also employed in the synthesis of polymers and molecular frameworks requiring extended π-conjugation.