URACIL DERIVATIVES, HERBICIDE COMPOSITION, METHOD FOR CONTROL OF WEED AND INTERMEDIATE SUBSTANCES (VARIANTS) Russian patent published in 2005 - IPC

Abstract RU 2264395 C2

FIELD: organic chemistry, herbicides, agriculture.

SUBSTANCE: invention elates to novel derivatives of uracil of the formula [I] possessing herbicide activity, a herbicide composition based on thereof and to a method for control of weeds. In derivatives of uracil of the formula [I] the group Q-R³ represents a substituted group taken among:

wherein a heterocyclic ring can be substituted with at least a substitute of a single species taken among the group involving halogen atom, (C₁-C₆)-alkyl-(C₁-C₆)-alkoxy; Y represents oxygen, sulfur atom, imino-group or (C₁-C₃)-alkylimino-group; R¹ represents (C₁-C₃)-halogenalkyl; R² represents (C₁-C₃)-alkyl; R³ represents OR⁷, SR⁸ or N(R⁹)R¹⁰; X¹ represents halogen atom, cyano-group, thiocarbamoyl or nitro-group; X² represents hydrogen or halogen atom wherein each among R⁷, R⁸ and R¹⁰ represents independently carboxy-(C₁-C₆)-alkyl and other substitutes given in the invention claim; R⁹ represents hydrogen atom or (C₁-C₆)-alkyl. Also, invention relates to intermediate compounds used in preparing uracil derivatives.

EFFECT: improved preparing method, valuable properties of compounds.

40 cl, 16 sch, 12 tbl, 65 ex

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RU 2 264 395 C2

Authors

Tokhiama Esitomo

Sanemitsu Juzuru

Dates

2005-11-20—Published

2001-02-01—Filed