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2 107 689

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C1

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IPC

(21) (22)

Application

3030428/04, 1981-11-30

(22)

Actual filing date

1981-11-30

(45)

Published

1998-03-27

(72)

Inventor

Zemljanskij V.A.Ogurtsova M.V.Sidorov V.G.Kushelev Ju.V.Zabavin M.M.Loskutov L.G.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij Tsentr S Opytnym Zavodom

METHOD FOR PRODUCTION OF ESTERS OF ALKYLPHOSPHONIC ACIDS Russian patent published in 1998 - IPC

Abstract RU 2107689 C1

FIELD: organic chemistry. SUBSTANCE: desired esters have common formula RP(O)(OR′)(OR″) where R is C1-C2-alkyl or halogenated alkyl, R′ and R″ are C4-C8.-alkyl. RP(O)Cl2. is used as reagent 1, alcohol being used as reagent 2. Reaction is carried out at 0-30 C in the medium of solvent, saturated hydrocarbon having normal structure (e.g. petroleum ether, hexane) is used as said solvent. EFFECT: improved efficiency of the method.

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RU 2 107 689 C1

Authors

Zemljanskij V.A.

Ogurtsova M.V.

Sidorov V.G.

Kushelev Ju.V.

Zabavin M.M.

Loskutov L.G.

Dates

1998-03-27—Published

1981-11-30—Filed

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