Used as a silyl enol ether in organic synthesis, particularly in Mukaiyama aldol reactions where it acts as a nucleophilic enolate equivalent. It is valuable for forming carbon-carbon bonds under mild, Lewis acid-catalyzed conditions. Its structure allows for regioselective enolate formation, making it useful in the synthesis of complex molecules such as natural products and pharmaceuticals. Also employed in the protection of ketones and aldehydes during multistep syntheses due to the stability and easy removal of the trimethylsilyl group.