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2 061 676

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C1

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IPC

(21) (22)

Application

92002661/04, 1992-10-30

(22)

Actual filing date

1992-10-30

(45)

Published

1996-06-10

(72)

Inventor

Rjabova S.Ju.Bokanov A.I.Isakovich I.P.Kuzovkin V.A.Grigor'Ev N.B.Levina V.I.Shvedov V.I.Granik V.G.

(73)

Holder

Tsentr Po Khimii Lekarstvennykh Sredstv

PROCESS FOR PREPARING 2,6-DICHLORODIPHENYLAMINE Russian patent published in 1996 - IPC

Abstract RU 2061676 C1

FIELD: as semiproduct in the synthesis of drugs. SUBSTANCE: product: 2,6-dichlorodiphenylamine. Reagent 1: 2,2,6,6- tetrachlorocyclohexanone. Reagent 2: aniline. Reaction conditions: aromatic hydrocarbon, titanium tetrachloride, 5-20 C, molar ratio of 2,2,6,6-tetrachlorocyclohexanone, aniline, titanium tetrachloride of 1: (5.5-7.0):1.5. EFFECT: more efficient preparation process. 9 ex, 3 tbl

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RU 2 061 676 C1

Authors

Rjabova S.Ju.

Bokanov A.I.

Isakovich I.P.

Kuzovkin V.A.

Grigor'Ev N.B.

Levina V.I.

Shvedov V.I.

Granik V.G.

Dates

1996-06-10—Published

1992-10-30—Filed

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