Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate

• CAT Number: L038561
• CAS Number: 61260-15-9
• Molecular Formula: C10H11O5P
• Molecular Weight: 242.16
• Purity: ≥95%
• IUPAC Name: 3-dimethoxyphosphoryl-3H-2-benzofuran-1-one
• InChI: InChI=1S/C10H11O5P/c1-13-16(12,14-2)10-8-6-4-3-5-7(8)9(11)15-10/h3-6,10H,1-2H3
• InChIKey: KEKUNQAVGWOYDW-UHFFFAOYSA-N
• SMILES: COP(=O)(C1C2=CC=CC=C2C(=O)O1)OC

Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate（Cat No.:L038561）is a phosphorus-containing organic compound featuring a fused isobenzofuranone ring system and a dimethyl phosphonate moiety. The lactone structure contributes to its reactivity, while the phosphonate group offers utility in various coupling and condensation reactions. This compound is often employed as a key intermediate in the synthesis of biologically active molecules, including pharmaceuticals and agrochemicals. Its dual functional groups enable participation in diverse transformations, such as Horner–Wadsworth–Emmons reactions, making it valuable for constructing carbon–carbon double bonds and designing advanced heterocyclic frameworks.