2-Hydroxybut-3-enoic acid, also known as 3-hydroxy-2-buten-1-oic acid, is a key compound in chemical synthesis due to its versatile reactivity and functional groups. With a hydroxyl group on the second carbon atom and a carboxylic acid group on the third carbon atom, this compound is particularly useful in organic chemistry applications.One of the primary applications of 2-Hydroxybut-3-enoic acid is as a starting material for the synthesis of various pharmaceuticals and agrochemicals. Its unique structure allows for functional group transformations, making it a valuable intermediate in the production of complex organic molecules. Additionally, the presence of both a hydroxyl group and a carboxylic acid group provides opportunities for selective reactions and derivatization.Furthermore, 2-Hydroxybut-3-enoic acid can be used as a chiral building block in asymmetric synthesis. Its chiral center offers the potential for enantiopure molecule synthesis, which is crucial in drug development and other areas of chemical research requiring stereochemical control.Overall, 2-Hydroxybut-3-enoic acid serves as a versatile and strategic building block in chemical synthesis, enabling the creation of diverse organic compounds with potential applications in pharmaceuticals, agrochemicals, materials science, and other fields.