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Method for controlling weeds with 1{40 -formyl-1{40 -halobenzeneazomethanes and formulations therefor

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专利汇可以提供Method for controlling weeds with 1{40 -formyl-1{40 -halobenzeneazomethanes and formulations therefor专利检索,专利查询,专利分析的服务。并且Some new 1''-formyl-1''-halobenzeneazomethanes have been prepared. The compounds are active as herbicides. There is variable activity against arthropod pests from compound to compound. The 1''-formyl group can be substituted so as to form a keto or ester functional group. Alkyl, haloalkyl, and cycloalkyl substituent groups form ketones according to the invention. Alkoxy, haloalkoxy, and cycloalkoxy substituent groups form esters according to the invention. The 1''-halogen can be bromine, chlorine, or fluorine; and the benzene ring of the azobenzene group can be variously substituted with halogens (preferred), alkyl, alkoxy, and haloalkyl groups. In addition, the methyl carbon (1''-position) can have another halogen atom substituent, or an alkyl, haloalkyl, cycloalkyl, or phenyl substituent group. The invention comprehends the use of the new 1''-formyl-1''halobenzeneazomethanes as herbicides, and further comprehends new formulations for effecting the new use. Both a method of using and herbicidal formulations of the new 1''-formyl-1''halobenzeneazomethanes are described.,下面是Method for controlling weeds with 1{40 -formyl-1{40 -halobenzeneazomethanes and formulations therefor专利的具体信息内容。

  • 2. The method according to claim 1 wherein R is alkyl.
  • 3. The method according to claim 2 wherein R'' is X.
  • 4. The method according to claim 3 wherein the X''s are chlorine.
  • 5. The method according to claim 4 wherein a Y is halogen.
  • 6. The method according to claim 5 wherein the halogen is chlorine.
  • 7. The method according to claim 6 wherein m is 3.
  • 8. The method according to claim 7, 1,1-dichloro-1-((4,6-dichloro-o-tolyl)azo)-2-propanone.
  • 9. The method according to claim 1 wherein R is alkoxy.
  • 10. The method according to claim 9 wherein R'' is alkyl.
  • 11. The method according to claim 10 wherein X is chlorine or fluorine.
  • 12. The method according to claim 11 wherein m is 3 or 4.
  • 13. The method according to claim 12 wherein m is 3 and Y is halogen.
  • 14. The method according to claim 13 wherein the halogen is chlorine.
  • 15. The method according to claim 14, ethyl 2-chloro-2-((2,4,6-trichlorophenyl)azo)propionate.
  • 16. The method according to claim 14, ethyl 2-chloro-2-((2,4,6-trichlorophenyl)azo)butyrate.
  • 17. The method according to claim 9 wherein R'' is an X halogen.
  • 18. The method according to claim 17 wherein X and R'' are chlorine.
  • 19. The method according to claim 18 wherein Y is halogen.
  • 20. The method according to claim 19 wherein Y is chlorine.
  • 21. The method according to claim 20, ethyl dichloro-((2,4,6-trichlorophenyl)azo)acetate.
  • 22. The method according to claim 20, ethyl dichloro-((2,4-dichlorophenyl)azo)acetate.
  • 23. The method according to claim 18 wherein (Y)m is halogen and lower-alkyl.
  • 24. The method according to claim 23 wherein (Y)m is chlorine and lower-alkyl.
  • 25. The method according to claim 24 wherein lower-alkyl is methyl.
  • 26. The method according to claim 25, methyl dichloro-((2,6-dichloro-p-tolyl)azo)acetate.
  • 27. The method according to claim 26, methyl dichloro-((2,4,6-trichloro-m-tolyl)azo)acetate.
  • 28. The method according to claim 9 wherein R'' is phenyl.
  • 29. The method according to claim 28 wherein X is chlorine.
  • 30. The method according to claim 29 wherein Y is halogen.
  • 31. The method according to claim 30 wherein Y is chlorine.
  • 32. The method according to claim 31, methyl chlorophenyl-((2,4, 6-trichlorophenyl)azo)acetate.
  • 33. The method according to claim 11 wherein R'' is methyl.
  • 34. The method according to claim 33 wherein R is ethoxy.
  • 35. The method according to claim 34 wherein Y is lower-alkoxy and m is 1.
  • 36. The method according to claim 35 wherein Y is methoxy.
  • 37. The method according to claim 36, ethyl 2-chloro-2-((o-methoxyphenyl)azo)propionate.
  • 38. The method according to claim 11 wherein X is fluorine.
  • 39. The method according to claim 38 wherein Y is halogen.
  • 40. The method according to claim 39 wherein Y is chlorine.
  • 41. The method according to claim 40, ethyl 2-fluoro-2-((2,4,6-trichlorophenyl)azo)propionate.
  • 42. Formulations for herbicidal use comprising an inert adjuvant and an eFfective concentration of an active ingredient comprising a 1''-formyl-1''-halobenzeneazomethane having the structural formula:
  • 43. Formulations according to claim 42 wherein the 1''-formyl-1''-halobenzeneazomethanes are characterized by R being alkoxy, R'' being alkyl, and X being chlorine.
  • 44. Formulations according to claim 43 wherein the 1''-formyl-1''-halobenzeneazomethanes are alkyl 2-chloro-2-((2,4,6-trichlorophenyl)azo)propionates.
  • 45. Formulations according to claim 44 wherein the alkyl 2-chloro-2-((2,4,6-trichlorophenyl)azo)propionates is ethyl 2-chloro-2-((2,4,6-trichlorophenyl)azo)propionate.
  • 46. Formulations according to claim 42 wherein the 1''-formyl-1''-halobenzeneazomethanes are alkyl dichloro-((Ym phenyl)azo)acetates.
  • 47. Formulations according to claim 46 wherein the alkyl dichloro-((Ym phenyl)azo)acetates is ethyl dichloro-((2,4-dichlorophenyl)azo)acetate.
  • 48. Formulations according to claim 46 wherein the alkyl dichloro-((Ym phenyl)azo)acetates is isopropyl dichloro-((2,4,6-trichlorophenyl)azo)acetate.
  • 49. Formulations according to claim 42 wherein a solvent adjuvant for the active ingredient is present.
  • 50. Formulations according to claim 49 wherein a surfactant is present.
  • 51. Formulations according to claim 42 wherein a finely divided solid adjuvant is present.
  • 52. Formulations according to claim 51 wherein a surfactant is present.
  • 53. Formulations according to claim 50 wherein the solvent is not miscible with water.
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