Used as a key intermediate in Suzuki-Miyaura cross-coupling reactions, enabling the synthesis of complex organic molecules for optoelectronic materials. Particularly valuable in the preparation of high-performance polymers and small-molecule emitters for OLEDs due to its structural rigidity and stability. Its spirofluorene-xanthene framework enhances thermal and oxidative stability, making it suitable for applications in organic semiconductors and luminescent materials. Commonly employed in the development of blue-emitting materials in display technologies.