The invention concerns the use of certain compounds related to fatty acids to control nematodes that infest plants or the situs of plants. Nematodes parasitizing animals can also be controlled using the methods and composition of this invention. The useful compounds are inhibitors of nematode delta-
The invention concerns the use of certain compounds related to fatty acids to control nematodes that infest plants or the situs of plants. Nematodes parasitizing animals can also be controlled using the methods and composition of this invention. The useful compounds are inhibitors of nematode delta-12 fatty acid desaturases and can be, for example, from C16 to C20 in length. A feature of these compounds is that their inhibitory effect on the activity of a nematode delta-12 desaturase, or on the viability or fecundity of a nematode, is smaller in the presence of the product of a delta-12 fatty acid desaturase (e.g., linoleate) than in the presence of the substrate of the enzyme (e.g., oleate).
대표청구항▼
1. A method for control of unwanted nematodes, the method comprising administering to mammals, plants, seed or soil a nematicidal composition comprising:(a) an effective amount of a compound having the formula wherein:R1=a C1-C5 substituted or unsubstituted carbon chain, wherein the substituants are
1. A method for control of unwanted nematodes, the method comprising administering to mammals, plants, seed or soil a nematicidal composition comprising:(a) an effective amount of a compound having the formula wherein:R1=a C1-C5 substituted or unsubstituted carbon chain, wherein the substituants are selected from the group consisting of: i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) a substituted or unsubstituted C1-C2 carbon chain, wherein the substituants on the C1-C2 carbon chain selected from the group consisting of hydroxy, halogen, amino, cyano, and epoxy; R2=a C15-C19 substituted or unsubstituted carbon chain having a cis double bond between the 9th and 10th carbons counting from the carbonyl carbon and either, (i) a triple bond between the 12th and 13th carbons counting from the carbonyl carbon or (ii) either a single or double bond between the 12th and 13th carbons counting from the carbonyl carbon and at least one substituant at one or both of the 12th and 13th carbons counting from the carbonyl carbon, wherein the substituants are selected from the group consisting of: i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) a substituted or unsubstituted C1-C2 carbon chain, wherein the substituants on the C1-C2 carbon chain are selected from the group consisting of hydroxy, halogen, amino, cyano, and epoxy; and (b) an aqueous surfactant; whereby unwanted nematodes are controlled.2. The method of claim 1 wherein R1=a C1-C5 substituted or unsubstituted carbon chain, wherein the substituants are selected from the group consisting of:i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) an unsubstituted C1-C2 carbon chain. 3. The method of claim 1 wherein R2=a C15-C19 substituted or unsubstituted carbon chain having a cis double bond between the 9th and 10th carbons counting from the carbonyl carbon and either: (i) a triple bond between the 12th and 13th carbons counting from the carbonyl carbon or (ii) either a single or double bond between the 12th and 13th carbons and at least one substituant at one or both of the 12th and 13th carbons counting from the carbonyl carbon, wherein the substituants are selected from the group consisting of:i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) an unsubstituted C1-C2 carbon chain. 4. The method of claim 1 wherein R1 is a C1-C2 substituted or unsubstituted carbon chain.5. The method of claim 1 wherein R2 is substituted only at one or both of 12th and 13th carbons.6. The method of claim 1 wherein R2 is substituted only at the 12th carbon.7. The method of claim 1 wherein within R2 the substituants are selected from the group consisting of:i) hydroxy, ii) epoxy, and iii) a C1 alkyl. 8. The method of claim 1 wherein the nematode infects plants and the nematicidal composition is applied to the soil or to plants.9. The method of claim 8 wherein the nematicidal composition is applied to soil before planting.10. The method according to claim 8 where the nematicidal composition is applied to soil after planting.11. The method of claim 8 wherein the nematicidal composition is applied to soil using a drip system.12. The method of claim 8 wherein the nematicidal composition is applied to soil using a drench system.13. The method of claim 8 wherein the nematicidal composition is applied to plant roots.14. The method of claim 1 wherein the nematicidal composition is applied to seeds.15. The method of claim 1 wherein the nematode infects a mammal.16. The method of claim 1 wherein the nematicidal composition is administered to non-human mammal.17. The method of claim 1 wherein the nematicidal composition is administered to a human.18. The method of claim 16 wherein the nematicidal composition is formulated as a drench to be administered to a non-human animal.19. The method of claim 15 wherein the nematicidal composition is formulated as an orally administered drug.20. The method of claim 15 wherein the nematicidal composition is formulated as an injectable drug.21. A method for control of unwanted nematodes, the method comprising administering to mammals, plants, seeds or soil a nematicidal composition comprising an effective amount of:(a) a fatty acid methyl ester selected from the group consisting of: ricinoleic acid methyl ester, crepenynic acid methyl ester, and vernolic acid methyl ester, and (b) an aqueous surfactant; whereby unwanted nematodes are controlled.22. The method of claim 1 or claim 21 wherein the aqueous surfactant is selected from the group consisting of: ethyl lactate, polyoxyethylene sorbitan 20 monolaureate, polyoxyethylene 9 nonylphenyl ether.23. The method of claim 1 or claim 21 wherein the composition further comprises:(c) a permeation enhancer. 24. The method of claim 23 wherein the permeation enhancer is a cyclodextrin.25. The method of claim 1 or 21 wherein the composition further comprises:(c) a co-solvent. 26. The method of claim 25 wherein the co-solvent is isopropanol.27. The method of claim 1 or claim 21 further comprising administering a nematicide selected from the group consisting of: avermectins, ivermectin, and milbemycin.28. A nematicidal composition comprising:(a) an effective amount of a compound having the formula wherein:R1=a C1-C5 substituted or unsubstituted carbon chain, wherein the substituants are selected from the group consisting of: i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) a substituted or unsubstituted C1-C2 carbon chain, wherein the substituants on the C1-C2 carbon chain are selected from the group consisting of hydroxy, halogen, amino, cyano, and epoxy; and R2=a C15-C19 substituted or unsubstituted carbon chain having a cis double bond between the 9th and 10th carbons counting from the carbonyl carbon and either: (i) a triple bond between the 12th and 13th carbons counting from the carbonyl carbon or (ii) either a single or double bond between the 12th and 13th carbons counting from the carbonyl carbon and at least one substituant at one or both of the 12th and 13th carbons counting from the carbonyl carbon, wherein the substituants are selected from the group consisting of: i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) a substituted or unsubstituted C1-C2 carbon chain, wherein the substituants on the C1-C2 carbon chain are selected from the group consisting of hydroxy, halogen, amino, cyano, and epoxy; (b) an aqueous surfactant; and (c) a nematicide selected from the group consisting of: avermectins, ivermectin, and milbemycin. 29. The composition of claim 28 wherein the aqueous surfactant is selected from the group consisting of: ethyl lactate, polyoxyethylene 20 sorbitan monolaureate, polyoxyethylene 9 nonylphenyl ether.30. The composition of claim 28 further comprising a permeation enhancer.31. The composition of claim 28 further comprising a co-solvent.32. The nematicidal composition of claim 31 wherein the co-solvent is isopropanol.33. The nematicidal composition of claim 28 wherein R1=a C1-C5 substituted or unsubstituted carbon chain, wherein the substituants are selected from the group consisting of:i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) an C1-C2 carbon chain. 34. The nematicidal composition of claim 28 wherein R2=a C15-C19 substituted or unsubstituted carbon chain having a cis double bond between the 9th and 10th carbons counting from he carbonyl carbon and either: (i) a triple bond between the 12th and 13th carbons counting from the carbonyl carbon or (ii) either a single or double bond between the 12th and 13th carbons counting from the carbonyl carbon and at least one substituant at one or both of the 12th and 13th carbons counting from the carbonyl carbon, wherein the substituants are selected from the group consisting of:i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) an unsubstituted C1-C2 carbon chain. 35. The nematicidal composition of claim 28 wherein R1 is a C1-C2 substituted or unsubstituted carbon chain.36. The nematicidal composition of claim 28 wherein R2 is substituted only at one or both of 12th and 13th carbons counting from the carbonyl carbon.37. The nematicidal composition of claim 36 wherein R2 is substituted only at the 12th carbon counting from the carbonyl carbon.38. The composition of claim 36 wherein within R2 the substituants are selected from the group consisting of:i) hydroxy, ii) epoxy, and iii) a C1 alkyl. 39. The nematicidal composition of any of claims 33-38 wherein the aqueous surfactant is selected from the group consisting of: ethyl lactate, polyoxyethylene 20 sorbitan monolaureate, polyoxyethylene 9 nonylphenyl ether.40. The nematicidal composition of any of claims 33-38 further comprising a co-solvent.41. A nematicidal composition consisting essentially of:(a) an effective amount of a compound having the formula wherein:R1=a C1-C5 substituted or unsubstituted carbon chain, wherein the substituants are selected from the group consisting of: i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) a substituted or unsubstituted C1-C2 carbon chain, wherein the substituants on the C1-C2 carbon chain are selected from the group consisting of hydroxy, halogen, amino, cyano, and epoxy; and R2=a C15 -C19 substituted or unsubstituted carbon chain having a cis double bond between the 9th and 10th carbons counting from the carbonyl carbon and either: (i) a triple bond between the 12th and 13th carbons counting from the carbonyl carbon or (ii) either a single or double bond between the 12th and 13th carbons counting from the carbonyl carbon and at least one substituant at one or both of the 12th and 13th carbons counting from the carbonyl carbon, i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) a substituted or unsubstituted C1-C2 carbon chain, wherein the substituants on the C1-C2 carbon chain are selected from the group consisting of hydroxy, halogen, amino, cyano, and epoxy; and (b) an aqueous surfactant selected from the group consisting of: ethyl lactate, polyoxyethylene 20 sorbitan monolaureate, polyoxyethylene 9 nonylphenyl ether. 42. Tho nematicidal composition of claim 41 wherein R1=a C1-C5 substituted or unsubstituted carbon chain, wherein the substituants are selected from the group consisting of:i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) an unsubstituted C1-C2 carbon chain. 43. The nematicidal composition of claim 41 wherein R2=a C15-C19 substituted or unsubstituted carbon chain having a cis double bond between the 9th and 10th carbons counting from the carbonyl carbon and either: (i) a triple bond between the 12th and 13th carbons counting from the carbonyl carbon or (ii) either a single or double bond between 12th and 13th carbons counting from the carbonyl carbon and at least one substituant at one or both of the 12th and 13th carbons counting from the carbonyl carbon, wherein the substituants are selected from the group consisting of:i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) an unsubstituted C1-C2 carbon chain. 44. The composition of claim 41 wherein R1 is C1-C2 substituted or unsubstituted carbon chain.45. The composition of claim 41 wherein R2 is substituted only at one or both of 12th and 13th carbons counting from the carbonyl carbon.46. The composition of claim 41 wherein R1 is substituted only at the 12th carbon counting from the carbonyl carbon.47. The composition of claim 46 wherein within R2 the substituants are selected from the group consisting of:i) hydroxy, vii) epoxy, and iii) a C1 alkyl. 48. A nematicidal feed for a non-human mammal comprising:(a) a feed selected from the group consisting of: soy, wheat corn, sorghum, millet, alfalfa, clover, and rye; (b) an effective amount of a nematicidal compound having the formula wherein:R1=a C1-C5 substituted or unsubstituted carbon chain, wherein the substituants are selected from the group consisting of: i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) a substituted or unsubstituted C1-C2 carbon chain, wherein the substituants on the C1-C2 carbon chain are selected from the group consisting of hydroxy, halogen, amino, cyano, and epoxy; andR2=a C1-C19 substituted or unsubstituted carbon chain having a cis double bond between the 9th and 10th carbons and either: (i) a triple bond between the 12th and 13th carbons or (ii) either a single or double bond between the 12th and 13th carbons and at least one substituant at one or both of the 12th and 13th carbons, wherein the substituants are selected from the group consisting of: i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) a substituted or unsubstituted C1-C2 carbon chain, wherein the substituants on the C1-C2 carbon chain are selected from the group consisting of hydroxy, halogen, amino, cyano, and epoxy; and (c) an aqueous surfactant. 49. The nematicidal feed of claim 48 wherein R1=a C1-C5 substituted or unsubstituted carbon chain, wherein the substituants are selected from the group consisting of:i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) an unsubstituted C1-C2 carbon chain. 50. The nematicidal feed of claim 48 wherein R2=a C15-C19 substituted or unsubstituted carbon chain having a cis double bond between the 9th and 10th carbons counting from the carbonyl carbon and either: (i) a triple bond between the 12th and 13th carbons counting from the carbonyl carbon or (ii) either a single or double bond between the 12th and 13th carbons counting from the carbonyl carbon and at least one substituant at one or both of the 12th and 13th carbons counting from the carbonyl carbon, wherein the substituants are selected from the group consisting of:i) hydroxy, ii) halogen, iii) amino, vi) cyano, v) cyclopropane, vi) cyclopropene, vii) epoxy, and viii) an unsubstituted C1-C2 carbon chain. 51. The nematicidal feed of claim 48 wherein R1 is a C1-C2 substituted or unsubstituted carbon chain.52. The nematicidal feed of claim 48 wherein R2 is substituted only at one or both of 12th and 13th carbons counting from the carbonyl carbon.53. The nematicidal feed of claim 52 wherein R2 is substituted only at the 12th carbon counting from the carbonyl carbon.54. The nematicidal feed of claim 52 wherein within R2 the substituants are selected from the group consisting of:i) hydroxy, ii) epoxy, and iii) a C1 alkyl. 55. A nematicidal feed for a non-human mammal comprising:(a) a feed selected from the group consisting of: soy, wheat, corn, sorghum, millet, alfalfa, clover, and rye; (b) a fatty acid methyl ester selected from the group consisting of: ricinoleic acid methyl ester, crepenynic acid methyl ester, and vernolic acid methyl ester; and (c) an aqueous surfactant.
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