Methyl diethylphosphonoacetate is used as a reagent in the preparation of allylic fluorides compounds and in regioselective Diels-Alder reactions. It also serves as a reactant in the preparation of substituted thiophenes and furans, which finds application in type 2 diabetes treatment. Further, it acts as a precursor in the synthesis of pyridone alkaloids and immunosuppressive cyclopentanediol derivatives. In addition to this, it is utilized in the modification of botulinum neurotoxin serotype A protease inhibitors.
