Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the production of active pharmaceutical ingredients (APIs) where a protected beta-keto ester functionality is required. Its tert-butyl group allows for easy deprotection under mild acidic conditions, making it valuable in multi-step organic syntheses. Commonly employed in the development of anti-inflammatory, antiviral, and central nervous system agents. Also utilized in the preparation of cyclic ketones and heterocyclic compounds through alkylation, reduction, or cyclization reactions. Its stability and selective reactivity enhance its utility in complex molecule assembly.