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2 015 986

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IPC

(21) (22)

Application

4911032/04, 1991-02-15

(22)

Actual filing date

1991-02-15

(45)

Published

1994-07-15

(72)

Inventor

Zharikov L.K.Savel'Ev N.I.Zharov I.F.Savkina L.A.Zakharova S.D.Militsin I.A.Shkuro V.G.

(73)

Holder

Cheboksarskoe Proizvodstvennoe Ob"Edinenie

PROCESS FOR PREPARING TRICHLORFON Russian patent published in 1994 - IPC

Abstract RU 2015986 C1

FIELD: agriculture. SUBSTANCE: the product: trichlorfon (CH₃O)₂P(O)CH(OH)CCl₃, C₄H₈Cl₃O₄P, m p 77-79 C. Reagent 1: chloral. Reagent 2: (CH₃O)₂PH(O). Reaction conditions: condensation is carried out in the liquid phase at a 2-fold excess of dimethylphosphite and the residence time of the reactants in the reaction zone for 2 to 14 min. EFFECT: improved properties of the title compound. 1 dwg

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RU 2 015 986 C1

Authors

Zharikov L.K.

Savel'Ev N.I.

Zharov I.F.

Savkina L.A.

Zakharova S.D.

Militsin I.A.

Shkuro V.G.

Dates

1994-07-15—Published

1991-02-15—Filed