METHOD OF SYNTHESIS OF N-ACYLATED ALKYL-(2-ACETYL-2-DIALKOXYPHOSPHORYL)ETHANEIMIDATES Russian patent published in 2003 - IPC

Abstract RU 2203283 C1

FIELD: organic chemistry, chemical technology. SUBSTANCE: invention relates to method of synthesis of N-acylated alkyl-(2-acetyl-2-dialkoxyphospho-ryl)ethaneimidates that are novel structure type of organophosphorus compounds. Invention describes method of synthesis of N-acylated alkyl-(2-acetyl-2-dialkoxyphosphoryl)ethaneimidates of the formula: where R is C₃-C₄--alkyl or isoalkyl; R' is CH₃, C₆H₅; R'' is C₁-C₄alkyl or isoalkyl. Method involves synthesis of sodium derivatives of N-acylated alkyl-(2-dialkoxyphosphoryl)ethaneimidates by interaction of N-acylated alkyl-(2-dialkoxyphosphoryl)ethaneimidates with sodium and the following acylation of prepared sodium derivative with acetyl chloride or bromide in dioxane medium in the mole ratio of sodium : N-acylated alkyl-(2-dialkoxyphosphoryl)ethaneimidate : halogen anhydride = 1:1:1-1.1, respectively, at temperature 20-60 C. Synthesized compounds can be used for preparing biologically active substances used in medicine and agriculture. EFFECT: improved method of synthesis, valuable properties, expanded assortment of compounds. 5 ex

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RU 2 203 283 C1

Authors

Shishkin V.E.

Mednikov E.V.

Anishchenko O.V.

No B.I.

Dates

2003-04-27—Published

2001-08-14—Filed