RU96115180A - 1,3-OXAZIN-4-ONE DERIVATIVE, HERBICIDE, CONTAINING THIS DERIVATIVE AND INTERMEDIATE CONNECTION TO OBTAIN THE INDICATED DERIVATIVE - Google Patents

Claims (23)

1. Derived 1,3-oxazin-4-one, having the General formula I:

where R ¹ represents a phenyl group which may be substituted;
R ² represents a hydrogen atom or a lower alkyl group;
R ³ represents a hydrogen atom, a lower alkyl group, an aralkyl group or a phenyl group which may be substituted;
R ⁴ and R ⁵ independently represents a lower alkyl group, and
W represents an oxygen atom or a group having the formula —N (R ⁶ ) -, in which R ⁶ represents a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group. 2. The compound of claim 1, wherein R ¹ is a phenyl group, a 2-fluorophenyl group, a 2-chlorophenyl group, or a 2-methylphenyl group. 3. The compound according to claim 1, where R ² represents a hydrogen atom, a methyl group or an ethyl group. 4. The compound according to claim 1, wherein R ³ is a phenyl group; a phenyl group substituted at the 3-position with one substituent selected from the group consisting of a halogen atom, a lower alkyl group, a lower alkoxy group, a phenoxy group, a lower haloalkyl group, or a lower halogenoalkoxy group; or a phenyl group substituted at the 2- or 5-positions or at the 3- and 5-positions with two substituents selected from the group including a halogen atom, a lower alkyl group, a lower alkoxy group, a phenoxy group, a lower halogenoalkyl group and lower halogenoalkoxy. 5. The compound according to claim 1, wherein R ⁴ and R ⁵ independently represent a methyl group or an ethyl group. 6. The compound according to claim 1, wherein W is a group having the form —N (R ⁶ ) -, in which R ⁶ represents a hydrogen atom, a lower alkyl group, a lower alkenyl group, or a lower alkynyl group. 7. The compound according to claim 1, wherein W is a group having the formula —NH— or —N (CH ₃ ) -. 8. The 1,3-oxazin-4-one derivative according to claim 1, having the general formula II:

where X ¹ , X ² and X ³ independently represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a phenoxy group, a lower haloalkyl group or a lower halogenoalkoxy group. 9. The compound according to claim 8, wherein X ¹ is a fluorine atom;
X ² represents a hydrogen atom; and
X ³ represents a halogen atom, a lower alkyl group, a lower alkoxy group, a phenoxy group, a lower haloalkyl group or a lower halo alkoxy group. 10. The compound according to claim 8, wherein X ¹ is a hydrogen atom, X ² is a trifluoromethyl group; and X ³ is a hydrogen atom. 11. N-Methylene amino acid ester derivative of general formula (II):

where R ⁴ and R ⁵ independently represent a lower alkyl group, and R ¹⁰ represents a lower alkyl group or aralkyl group.  12. A herbicide containing as an active ingredient a 1,3-oxazin-4-one derivative of the general formula I according to claim 1.  13. The herbicidal composition according to claim 12, comprising an effective amount of the 1,3-oxazin-4-one derivative of general formula I according to claim 1, and an agronomically and horticultural acceptable carrier and / or diluent.  14. The herbicidal composition according to claim. 13, further comprising a second herbicidally active ingredient such as a carbamate derivative, a urea derivative, galogenoatsetamidnoe derivative, amide derivative, dinitrophenyl derivative, a phenoxy derivative, a carboxylic acid derivative, an organophosphorus compound benzonitrilnoe derivative, diphenyl ether derivative , tyrazine derivative, sulfonylurea derivative or diazine derivative.  15. Herbicidal compositions according to claim 14, wherein the second active ingredient is selected from the group including: 2,4-D, 2,4-DB, 2,4,5-T, 2,3,6-TBA, acifluor hair dryer; alahlor; benzochen; 940 (code number), dalapon, dezmedifam, dicamba, dichlorprop, diclofop, dichlobenil, dimetamethrin, dimetapiperate, diphenamide, DNO C, dino, dinoseb, dinitramine, dimron, diuron, expander, fluazifop, fluorimeuron, fluorifene, ioxynil, lenacil, linuron, mecoprope nitralin, nitrofen, oxyflorfen, pendimethalin, fenmedifan, phenothiol, picloram, piperofos, pretilachlor, prometrin, propachlor, propanil, pyrazolate, pyrazoxyfen, SAP, simazine, symetrin, sepine, trifluralin, TCA and terbacil.  16. Herbicidal compositions according to any one of paragraphs. 1-15, containing from 0.1 to 99 wt. % active ingredient, and preferably from 1 to 80 wt.% the active ingredient.  17. Herbicidal compositions according to claim 16 in the form of a wettable powder containing from 25 to 90% of the active ingredient.  18. Herbicidal compositions according to claim 16, in the form of granules, containing from 1 to 35% of the active ingredient.  19. Herbicidal compositions according to claim 16 in the form of an emulsion concentrate containing from 5 to 30% of the active ingredient.  20. Herbicidal compositions according to claim 16 in the form of a suspension concentrate containing from 5 to 50% of the active ingredient.  21. The method of weed control in the hearth of their growth, which consists in applying an effective amount of a composition according to any one of paragraphs. 14 - 20 to the site in need of protection from weeds.  22. The method according to p. 21 control of weeds in the hearth of their growth, which consists in adding to this hearth the composition according to any one of paragraphs. 14 to 20, where the dose of application of the active ingredient is from 1 to 5000 g / ha.  23. The method according to p. 21, in which the site is sown or must be sown with rice.