4-Hydroxyfuran-2(5H)-one

• CAT Number: L038246
• CAS Number: 541-57-1
• Molecular Formula: C4H4O3
• Molecular Weight: 100.07
• Purity: ≥95%
• IUPAC Name: 3-hydroxy-2H-furan-5-one
• InChI: InChI=1S/C4H4O3/c5-3-1-4(6)7-2-3/h1,5H,2H2
• InChIKey: JZQBAGOECGRTSA-UHFFFAOYSA-N
• SMILES: C1C(=CC(=O)O1)O

4-Hydroxyfuran-2(5H)-one（Cat No.:L038246）, also known as maltolactone, is a five-membered lactone ring containing both a hydroxyl and a ketone functional group. This compound features a hydroxyl group at the 4-position and a carbonyl group at the 2-position, forming a reactive enol-lactone system. It serves as a versatile intermediate in organic synthesis, particularly in the preparation of biologically active molecules, pharmaceuticals, and natural product analogs. Its reactive nature allows participation in nucleophilic addition and condensation reactions. Additionally, it can act as a precursor in the synthesis of more complex heterocyclic frameworks.