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1 825 496

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A3

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Application

4925434/04, 1991-04-04

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Actual filing date

1991-04-04

(45)

Published

1994-12-30

(72)

Inventor

Baskakov Ju.A.Kolobanova L.P.Spiridonov Ju.Ja.Mochalkina K.I.Makeev Ju.N.Chkanikov N.D.Sviridov V.D.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij Institut Khimicheskikh Sredstv Zashchity Rastenij

DERIVATIVES OF N-[4-(1-HYDROXY-1-TRIFLUOROMETHYL-2,2,2-TRIFLUOROETHYL)PHENYL- ]UREA SHOWING ANTIDOTE ACTIVITY TO 2-CHLORO-N-[(4-METHOXY-6-METHYL-1,3,5-TRIAZINE-2-YL)AMINOCARB- ONYL]BENZENE SULFAMIDE IN FLAX SOWING Russian patent published in 1994 - IPC

Abstract SU 1825496 A3

FIELD: organic chemistry. SUBSTANCE: product - derivatives of N-[4-(1-hydroxy-1-trifluoromethyl-2,2,2-trifluoroethyl] urea of the formula (I): Ia: R1 - H; R2-CH3, R3-CH3, R4-C6H4CH3-n, empirical formula is C18H16F6N2O2; Ib: R1-CH3, R2-CH3, R3-H, R4-CH3, empirical formula is C13H14 F6N2O2. Reagent 1: corresponding derivatives of 4-(1-hydroxy-1-trifluoromethyl-2,2,2-trifluoroethyl)aniline. Reagent 2: methyl- or p-tolylisocyanate. Reaction conditions: organic solvent (diethyl ether, benzene, chloroform), at the room temperature or boiling for 7-48 h. Synthesized compounds are used in agriculture since product shows antidote effect to 2-chloro-N-[(4-methoxy-6-methyl-1,3,5-triazine-2-yl)benzene sulfamide]chlorosulfurone of the formula: . EFFECT: improved method of synthesis. 1 tbl

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SU 1 825 496 A3

Authors

Baskakov Ju.A.

Kolobanova L.P.

Spiridonov Ju.Ja.

Mochalkina K.I.

Makeev Ju.N.

Chkanikov N.D.

Sviridov V.D.

Dates

1994-12-30—Published

1991-04-04—Filed

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