Used as an intermediate in the synthesis of glycoside derivatives, particularly in pharmaceutical and biochemical research. Its protected hydroxyl groups allow selective reactions at specific sites on the sugar ring, making it valuable in constructing complex carbohydrates. The naphthalenylmethyl group acts as a temporary protecting group and can be removed or modified under controlled conditions, enabling stepwise assembly of oligosaccharides. Commonly applied in the development of glycosylated natural products and enzyme inhibitors.