FIELD: chemistry.
SUBSTANCE: improved method for producing 2,3-dihydrofuryl-4-phosphonic acid dichloride of formula (1). A method is disclosed for producing 2,3-dihydrofuryl-4-phosphonic acid dichloride of formula (1) by reacting tetrahydrofuran with phosphorus pentachloride in an inert organic solvent at room temperature, followed by decomposition of the resulting adduct with an oxygen-comprising compound, characterized in that, in order to simplify the process, as an oxygen-comprising compounds, sodium percarbonate is used and the process is carried out at room temperature.
EFFECT: invention provides a significant simplification, increase in the yield and safety of the technological process, as well as the purity of the target product and a decrease in the amount of acid production waste due to their binding with sodium carbonate.
1 cl, 1 ex
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