Tert-butyl meso-2,4-bis(hydroxymethyl)azetidine-1-carboxylate is a chiral azetidine derivative featuring two hydroxymethyl groups and a tert-butoxycarbonyl (Boc) protecting group. This compound serves as a crucial chiral building block in medicinal chemistry and peptide mimetics research. Its rigid azetidine ring structure is valuable for constructing conformationally constrained analogs. The primary application of this compound is as a key intermediate in the synthesis of novel peptide-based drugs and peptidomimetics. Specifically, it is utilized in the development of protease inhibitors and other therapeutic agents where the incorporation of an azetidine scaffold can enhance metabolic stability, bioavailability, and target binding affinity. The presence of the Boc group allows for selective deprotection and further functionalization. As a bifunctional molecule with protected amine and dual hydroxyl groups, it offers versatile handles for chemical modification. Its use is prominent in the synthesis of complex molecules targeting various diseases, making it a valuable tool in pharmaceutical R&D.