Used as a key intermediate in organic synthesis, particularly in the preparation of complex natural products and pharmaceuticals. Its aldehyde and silyl-protected alcohol functionalities allow selective reactions, enabling stepwise construction of molecular frameworks. Commonly employed in multi-step syntheses where protection of hydroxyl groups is required, it facilitates carbon-carbon bond formation through reactions such as Wittig, Grignard, or aldol additions. The silyl ether group can be removed under mild conditions, making it ideal for sensitive substrates. Widely utilized in the synthesis of bioactive molecules, including macrolides and polyketide-like structures.