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Application

5020546/04, 1992-01-09

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Actual filing date

1992-01-09

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Published

1996-02-20

(72)

Inventor

Antonov E.A.Odinets I.L.Freger B.I.Morozik Ju.I.Starkov V.Ja.Mastrjukova T.A.Kabachnik M.I.

(73)

Holder

Institut Ehlementoorganicheskikh Soedinenij Im.A.N.Nesmejanova RanGosudarstvennyj Institut Tekhnologii Organicheskogo Sinteza S Opytnym Zavodom

4-TRIMETHYLSILOXYMETHYLPHOSPHINYL-2-TRIMETHYLSILOXY-2-CYANOBUTIRO NITRILE AS INTERMEDIATE PRODUCT IN SYNTHESIS OF 4-METHYLHYDROXYPHOSPHINYL-2-AMINOBTANOIC ACID HAVING HERBICIDE ACTIVITY AND METHOD FOR ITS PRODUCTION Russian patent published in 1996 - IPC

Abstract RU 2054430 C1

FIELD: organic chemistry. SUBSTANCE: desired product has formula CH3P(O)[OSi(CH3)3]CH2CH2C(CN)2[OSi(CH3)3, its essential formula being C12H25N2O3Si2P. Compound having formula CH3P(O) /bond O-C(O)-CH2-CH2/ bond with phosphorous/ is used as reagent 1. Compound having formula (CH3)3SiCN is used as reagent 2. Reaction is carried out at 60-70 C within 6-7 h in the presence of titanium tetrachloride, molar ratio of reagents being 1:(2-4): 0.01. Said reaction takes place in chloroform medium. Desired product is prepared as oil at yield 100 %. EFFECT: improves quality of desired product, improves efficiency of method. 4 cl, 2 tbl

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RU 2 054 430 C1

Authors

Antonov E.A.

Odinets I.L.

Freger B.I.

Morozik Ju.I.

Starkov V.Ja.

Mastrjukova T.A.

Kabachnik M.I.

Dates

1996-02-20—Published

1992-01-09—Filed

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