ZA200505855B - Compositions with cyclopropenes and adjuvants - Google Patents
Compositions with cyclopropenes and adjuvants Download PDFInfo
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- ZA200505855B ZA200505855B ZA200505855A ZA200505855A ZA200505855B ZA 200505855 B ZA200505855 B ZA 200505855B ZA 200505855 A ZA200505855 A ZA 200505855A ZA 200505855 A ZA200505855 A ZA 200505855A ZA 200505855 B ZA200505855 B ZA 200505855B
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- composition
- agents
- adjuvants
- metal
- cyclopropenes
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- 239000000203 mixture Substances 0.000 title claims description 36
- 150000001943 cyclopropenes Chemical class 0.000 title claims description 13
- 239000002671 adjuvant Substances 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000008139 complexing agent Substances 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 229920000858 Cyclodextrin Polymers 0.000 claims description 5
- 125000003342 alkenyl group Chemical group 0.000 claims description 5
- 125000000304 alkynyl group Chemical group 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 125000001316 cycloalkyl alkyl group Chemical group 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 229940097362 cyclodextrins Drugs 0.000 claims description 3
- 125000001624 naphthyl group Chemical group 0.000 claims description 3
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims description 2
- 125000005233 alkylalcohol group Chemical group 0.000 claims 3
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims 1
- 239000002738 chelating agent Substances 0.000 description 16
- OOXWYYGXTJLWHA-UHFFFAOYSA-N cyclopropene Chemical compound C1C=C1 OOXWYYGXTJLWHA-UHFFFAOYSA-N 0.000 description 11
- -1 l-ethylpropyl Chemical group 0.000 description 11
- 239000008393 encapsulating agent Substances 0.000 description 9
- 239000002253 acid Substances 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910021645 metal ion Inorganic materials 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 150000002923 oximes Chemical class 0.000 description 3
- SHDPRTQPPWIEJG-UHFFFAOYSA-N 1-methylcyclopropene Chemical compound CC1=CC1 SHDPRTQPPWIEJG-UHFFFAOYSA-N 0.000 description 2
- URDCARMUOSMFFI-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(2-hydroxyethyl)amino]acetic acid Chemical compound OCCN(CC(O)=O)CCN(CC(O)=O)CC(O)=O URDCARMUOSMFFI-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000003983 crown ethers Chemical class 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 125000006272 (C3-C7) cycloalkyl group Chemical group 0.000 description 1
- 239000005969 1-Methyl-cyclopropene Substances 0.000 description 1
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical class NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 1
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
- 125000006022 2-methyl-2-propenyl group Chemical group 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 description 1
- 125000004975 3-butenyl group Chemical group C(CC=C)* 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- FRBYJCORNHQJTG-UHFFFAOYSA-N C(CN(C(C1=CC=CC=C1)C(=O)O)O)N(C(C1=CC=CC=C1)C(=O)O)O Chemical compound C(CN(C(C1=CC=CC=C1)C(=O)O)O)N(C(C1=CC=CC=C1)C(=O)O)O FRBYJCORNHQJTG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FSVCELGFZIQNCK-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)glycine Chemical compound OCCN(CCO)CC(O)=O FSVCELGFZIQNCK-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- HFHDHCJBZVLPGP-RWMJIURBSA-N alpha-cyclodextrin Chemical group OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO HFHDHCJBZVLPGP-RWMJIURBSA-N 0.000 description 1
- 150000001414 amino alcohols Chemical class 0.000 description 1
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 1
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- RFUHYBGHIJSEHB-VGOFMYFVSA-N chembl1241127 Chemical compound C1=C(O)C(/C=N/O)=CC=C1C1=CC(O)=CC(O)=C1 RFUHYBGHIJSEHB-VGOFMYFVSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 125000004850 cyclobutylmethyl group Chemical group C1(CCC1)C* 0.000 description 1
- 125000004186 cyclopropylmethyl group Chemical group [H]C([H])(*)C1([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- JGUQDUKBUKFFRO-CIIODKQPSA-N dimethylglyoxime Chemical compound O/N=C(/C)\C(\C)=N\O JGUQDUKBUKFFRO-CIIODKQPSA-N 0.000 description 1
- ZDXLFJGIPWQALB-UHFFFAOYSA-M disodium;oxido(oxo)borane;chlorate Chemical compound [Na+].[Na+].[O-]B=O.[O-]Cl(=O)=O ZDXLFJGIPWQALB-UHFFFAOYSA-M 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 208000037824 growth disorder Diseases 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- JZRYQZJSTWVBBD-UHFFFAOYSA-N pentaporphyrin i Chemical compound N1C(C=C2NC(=CC3=NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 JZRYQZJSTWVBBD-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 230000036435 stunted growth Effects 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Description
COMPOSATIONS WITH CYCLOPROPENES AND ADJUVANTS
Ethylene can cause the premature death of plants or plant parts inclucling, for example, flowers, leaves, fruits, and vegetables through binding with certain receptors in the plant. Ethylene also promotes leaf yellowing and stunted growth as well as premature fruit, flower, and leaf drop. Cyclopropenes (i.e., substituted and unsubstituted cyclopropene and its derivatives) are effective agents for block ang the effects of ethylene. One difficulty in effectively contacting a plant or plant part with cyclopropeness is that many useful cyclopropenes are gasses at ambient conditions (10 to 35°C and approximately 1 atmosphere pressure); thus, in some cases, the cyclopropene tends to escape into the atmosphere instead of remaining in contact with the plant or pelant part (either on the surface or in the interior or the plant or plzant part). US 5,518,988 discloses applying mixtures of cyclopropenes and wettin_g agents to plants. It i s desired to provide compositions that can be contacted with plants or plant parts an d that have improved the effectiveness of cyclopropenes at blockzing the effects of ethylene.
In the present invention, there is provided a composition comprising (2) one or more molecular encapsulation agents within each of which is encapsulated one or more cyclopropenes of the formula
CH
—
CH wherein said R is hydrogen or a substituted or unsubstituted alkyl, alkenyl. alkynyl, cycloalkyl, cycloalkylalkyl, phenyl, or naphthyl group; wherein thee substituents, when present, are independently halogen, alkoxy, or substituted or unsubstitu ted phenoxy; and } (b) one or more adjuvants sclected from the group consisting of surfactants, alcohols, hydrocarbon oils, and mixtures thereof.
SE to , 2005 ‘ones
As used herein, all percentages are percent b-y weight and all parts are parts by weight, unless otherwise specified, and are inclusives and combinable. All ratios are by weight and all ratio ranges are inclusive and com binable. All molar ranges are inclusive and combinable.
As used herein, the term “alkyl” means straight chain, branched chain , or cyclic (C-Cyo) radicals which include, for example, methyl, ethyl, n-propyl, isopropyl, l-ethylpropyl, n-butyl, tert-butyl, isobutyl , 2,2-dimethylpropyl, pentyl, octyl, and decyl. The terms “alkenyl” and “alkynyl” mean (C3-Cyo) alkenyl and (Cs-
Cao) alkynyl groups such as, for example, 2-propenyl, 2-butenyl, 3-butenyl, 2-methyl- 2-propenyl, and 2-propynyl. The term “cycloalkylallxyl” means a (C-Cs) alkyl group substituted with a (C3-C7) cycloalkyl group such as, for example cyclopropylmethyl, cyclopropylethyl, cyclobutylmethyl, and cyclopentylethyl. The term “haloalkyl” means an alkyl radical wherein one or more of the hydrogen atoms have been replaced by a halogen atom. The term “halogen” means one or more of fluorine, chlorine, bromine, and iodine.
The practice of the present invention involves the use of onc or more cyclopropenes. As used herein, "cyclopropene” mearrs any compound with the formula
CH ve
CHa where R is hydrogen or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, phenyl, or naphthyl group ; wherein the substituents, when present, are independently halogen, alkoxy, or substituted or unsubstituted phenoxy.
As used herein, when the compound of the above structure when R is a hydrogen is meant, the phrase "unsubstituted cyclopropene” will be used.
In some embodiments, R has no double bond. Independently, in some embodiments, R has no triple bond. Independently, in some embodiments, there is no halogen atom substituent on R. Independently, in some embodiments, R has no substituents that are ionic. Independently, in some embodiments, R is not capable of generating oxygen compounds.
Co oo ) 2005 "nsw . | SVEN
In some embodiments of the invention, R is (C-Cyp) alkyl. In some embodiments, R is (C,-Cs) alkyl, or (C,-C4) alkyl, or methyl. When R is methyl, the cyclopropene is known herein as "1-MCP."
The cyclopropenes applicable to this invention are known materials, which may be prepared by any method. Some suitable methods of prepa ration of cyclopropenes are the processes disclosed in U. S. Patents No. 5,5 13,988 and 6,017,849.
The amount of cyclopropene in compositions of the present invention may vary widely, depending on the type of composition and the intended method of use.
In some embodiments, the amount of cyclopropene, based on the t otal weight of the composition, is 4% by weight or less; or 1% by weight or less; or 0.5% by weight or less; or 0.05% by weight or less. Independently, in some embodirments, the amount of cyclopropene, based on the total weight of the composition, is 0 .000001% by weight or more; or 0.00001% by weight or more; or 0.0001% by weight or more; or 0.001% by weight or more.
In compositions of the present invention that include water, the amount of cyclopropene may be characterized as parts per million (i.e., parts by weight of cyclopropene per 1,000,000 parts by weight of water, "ppm") or as parts per billion (i.c., parts by weight of cyclopropene per 1,000,000,000 parts by weight of water, "ppb"). In some embodiments, the amount of cyclopropene is 1 ppb or more; or 10 ppb or more; or 100 ppb or more. Independently, in some embodixnents, the amount of cyclopropene is 10,000 ppm or less; or 1,000 ppm or less.
In some embodiments, the practice of the present invention involves the use of one or more metal-complcxing agents. A metal-complexing agent &s a compound that contains one or more electron-donor atoms capable of forming coordinate bonds with a metal atoms. Some metal-complexing agents are chelating agents . As used herein, a "chelating agent” is a compound that contains two or more electro n-donor atoms that are capable of forming coordinate bonds with a metal atom, and a single molecule of the chelating agent is capable of forming two or more coordinate bonds with a single metal atom. Suitable chelating agents include, for example, organic and inorganic chelating agents. Among the suitable inorganic chelating agents are, for example, phosphates such as, for example, tetrasodium pyrophosphate, sodium : tripolyphos phate, and hexametaphosphoric acid. Among the suitable organic chelating agents are those with macrocyclic structures and non-macr-ocyclic
~~ a a
Coe 2005/0505 5 structure s. Among the suitable macrocyclic organic chelating agents ar-e, for example, porphine. compounds, cyclic polyethers (also called crown ethers), and mnacrocyclic compourads with both nitrogen and oxygen atoms.
S ome suitable organic chelating agents that have non-macrocyckEic structures
S are, for example, aminocarboxylic acids, 1,3-diketones, hydroxycarbox wylic acids, polyamimes, aminoalcohols, aromatic heterocyclic bases, phenol, amino-phenols, oximes, Shiff bases, sulfur compounds, and mixtures thereof. In some embodiments, the chelating agent includes one or more aminocarboxylic acids, one or more hydroxyc arboxylic acids, one or more oximes, or a mixture thereof. Somme suitable aminocarboxylic acids include, for example, ethylenediaminetetraacetic acid (EDTA), hydroxyethylethylenediaminetriacetic acid (HEDTA), nitrilotriacetic acid (NTA), N- dihydrox sethylglycine (2-HxG), ethylenebis(hydroxyphenylglycine) (EEHPG), and mixtures hereof. Some suitable hydroxycarboxylic acids include, for example, tartaric acid, citric acid, gluconic acid, 5-sulfoslicylic acid, and mixtures thereof. :
Some suitable oximes include, for example, dimethylglyoxime, salicylal doxime, and mixtures thereof. In some embodiments, EDTA is used.
Sosme additional suitable chelating agents are polymeric. Some suitable polymeric chelating agents include, for example, polyethyleneimines, polymethaicryloylacetones, poly(acrylic acid), and poly(methacrylic acid ). Poly(acryEic acid) is used in some embodiments.
So me suitable metal-complexing agents that are not chelating agents are, for cxample, alkaline carbonates, such as, for example, sodium carbonate.
Metal-complexing agents may be present in neutral form or in the form of one or more salts. Mixtures of suitable metal-complexing agents are also suitable.
Also contemplated are embodiments of the present invention in w~hich no metal-com_plexing agent is used.
Sorne embodiments of the present invention do not contain water
In some embodiments, the composition of the present invention docs contain water; in some of such embodiments, the water contains one Or more metal ions, such as, for exarnple, iron ions, copper ions, other metal ions, or mixtures thereof. In some embodimemts, the water contains 0.1 ppm or more of one or more metal icons.
Among embodiments that use one or more metal-complexing agers, the amount of ametal-complexing agent used in the present invention also may” vary widely. In some embodiments, the amount of metal-complexing agent wi ll be
(a adjustexd to be sufficient to complex the amount of metal ior that is present or expect ed to be present in those embodiments. For example, in some embodiments in which the composition of the present invention includes water, if a relatively efficient chelati ng agent is used (i.c., a chelating agent that will form a complex with all or
S nearly all the metal ions in the water), the ratio of moles of chelating agent to moles of metal ion will be 0.1 or greater; or 0.2 or greater; or 0.5 or greater; or 0.8 or greater.
Among such embodiments that use a relatively efficient cheE ating agent, the ratio of moles of chelating agent to moles of metal ion will be 2 or less; or 1.5 or less; or 1.1 or less.
Independently, in some embodiments, the amount of metal-complexing agent is, base=d on the total weight of the composition, 25% by wei ght or less; or 10% by weight or less; or 1% by weight or less. Independently, in some embodiments, the amount of metal-complexing agent is, based on the total weight of the composition, 0.00001 % or more; or 0.0001% or more; or 0.01% or more.
Independently, in some embodiments in which the co mposition of the present invention includes water, the amount of metal-complexing agzent can usefully be determi ned by the molar concentration of metal-complexing gent in the water. In some ernbodiments, the concentration of metal-complexing a gent is 0.00001 mM (i.e, milli-M olar) or greater; or 0.0001 mM or greater; or 0.001 rmM or greater; or 0.01 mM or greater; or 0.1 mM or greater. Independently, in som.e embodiments in which the com position of the present invention includes water, the concentration of metal- complexing agent is 100 mM or less; or 10 mM or less; or I mM or less. “The composition of the present invention includes at | east one molecular encapsu lating agent. Useful molecular encapsulating agents include, for example, organic and inorganic molecular encapsulating agents. Suitable organic molecular encapsu lating agents include, for example, substituted cyclodextrins, unsubstituted cyclodextrins, and crown ethers. Suitable inorganic molecular encapsulating agents include, for example, zeolites. Mixtures of suitable molecular encapsulating agents are also suitable. In some embodiments of the invention, the encapsulating agent is a-cyclodextrin ("a-CD"), B-cyclodextrin, y-cyclodextrin, or a mixture thereof. In another embodiment of the invention, particularly when the cy/clopropene is 1- methylcyclopropene, the encapsulating agent is a-cyclodextrir. The preferred encapsul ating agent will vary depending upon the size of the RR group. However, as
Claims (10)
- « Ln 16 20057 050z - REY We claim:I. A composition comprising (a) one or more molecular encapsulation agents within each of which is encapsulated one or more cyclopropenes of the formula CH — , wherein said R is hydrogen or a substituted or unsubstitut ed alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, phenyl, or naphthyl group; wherein the substituents, when present, are independently halogen, alkoxy, or substituted or unsubstituted phenoxy; and (b) ome or more adjuvants selected from the group consisting of surfactants, alcohols, hydrocarbon oils, and mixtures thereof.
- 2. The co mposition of claim 1, wherein said R is (Ci-Cyalkyl.
- 3. The co mposition of claim {, wherein said one or more molectalar cncapsulation agents comprises a cyclodextrin or a mixture of cyclodextrins .
- 4. The composition of claim 1, wherein said one or more adjuvamts comprises at least ome alkyl alcohol.
- 5. The composition of claim 1, wherein said one or more adjuvamts comprises at least o ne hydrocarbon oil.
- 6. The composition of claim 1, wherein said one or more adjuvants comprises at least o ne surfactant.
- 7. The composition of claim 6, wherein said one or more adjuvants further comprises at least one alkyl alcohol; or at least one hydrocarbon oil; or both of at leas t one alkyl alcohol and at least one hydrocarbon oil.
- 8. The composition of claim 1, wherein said composition further comprises water.
- 9. The composition of claim 1, wherein said composition furthe T comprises one or more mnetal-complexing agents.
- 10. A method comprising the step of contacting the composition of claim 1 with one or mo re plants or plant parts. Dated this 21st day of July 2005 Aad BOWMAN GILFILLAN JOHN & KERNICK FOR THE APPLICANT
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA200505855A ZA200505855B (en) | 2005-07-21 | 2005-07-21 | Compositions with cyclopropenes and adjuvants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA200505855A ZA200505855B (en) | 2005-07-21 | 2005-07-21 | Compositions with cyclopropenes and adjuvants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200505855B true ZA200505855B (en) | 2006-04-26 |
Family
ID=37983924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200505855A ZA200505855B (en) | 2005-07-21 | 2005-07-21 | Compositions with cyclopropenes and adjuvants |
Country Status (1)
| Country | Link |
|---|---|
| ZA (1) | ZA200505855B (en) |
-
2005
- 2005-07-21 ZA ZA200505855A patent/ZA200505855B/en unknown
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