Used as a key building block in organic synthesis, particularly in the preparation of conjugated materials for optoelectronic devices. Its rigid ethyne core and bulky silyl groups help stabilize reactive intermediates and improve solubility in organic solvents, making it valuable in the synthesis of advanced organic semiconductors. Commonly employed in Sonogashira coupling reactions to construct extended π-systems for use in OLEDs and organic photovoltaics. The silyl groups can also act as protecting groups or be used in further functionalization via desilylation reactions.