IE50501B1 - Fungicidal n-acylamino oxazolidinones - Google Patents
Fungicidal n-acylamino oxazolidinonesInfo
- Publication number
- IE50501B1 IE50501B1 IE1723/80A IE172380A IE50501B1 IE 50501 B1 IE50501 B1 IE 50501B1 IE 1723/80 A IE1723/80 A IE 1723/80A IE 172380 A IE172380 A IE 172380A IE 50501 B1 IE50501 B1 IE 50501B1
- Authority
- IE
- Ireland
- Prior art keywords
- chg
- compound
- component
- chgochg
- furyl
- Prior art date
Links
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- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- WTEFOMWTTKXUFW-UHFFFAOYSA-N n-(2-oxo-1,3-oxazolidin-3-yl)acetamide Chemical compound CC(=O)NN1CCOC1=O WTEFOMWTTKXUFW-UHFFFAOYSA-N 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 150000004023 quaternary phosphonium compounds Chemical class 0.000 description 1
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 235000021012 strawberries Nutrition 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004546 suspension concentrate Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
- C07D263/08—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D263/16—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D263/18—Oxygen atoms
- C07D263/20—Oxygen atoms attached in position 2
- C07D263/22—Oxygen atoms attached in position 2 with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to other ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
- C07D263/08—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D263/16—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D263/18—Oxygen atoms
- C07D263/20—Oxygen atoms attached in position 2
- C07D263/26—Oxygen atoms attached in position 2 with hetero atoms or acyl radicals directly attached to the ring nitrogen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Agronomy & Crop Science (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Abstract
Novel compounds of the formula in which the symbols have the meanings given in Claim 1 are obtained by subjecting a compound of the formula in which the symbols have the meanings given in Claim 8 to intramolecular condensation; they can be used as they are, in formulations or as agents for controlling phytopathogenic fungi.
Description
Fungicidal N-acylamino oxazolidpnes The present invention provides compounds useful in the combating of phytopathogenic fungi.
More specifically the present invention provides wherein R? and Rg, independently, are C^^alkyl, halogen or Cj_4alkoxy, and Rg is hydrogen, C^^alkyl or halogen, R2 is CO‘R10' wherein R^g is C^_4alkoxy-C^_4alkyl, Cj_4alkylthio-Cj_4alkyl, 2-furyl, 2-tetrahydrofuryl, halogenated 2-furyl, halogenated 2-tetrahydrofuryl, 1-imidazolyImethyl, l-pyrazolyImethyl, 2-tetrahydrofuryloxymethyl, 2-tetrahydropyranyloxymethyl, or C1-4halogeno alkyl, and r3, R4, Rg and Rg are independently hydrogen or cl-4alky1' - 3 When any of R3, R^, Rg, Rg, R^, Rg or Rg is or includes an alkyl group {e.g. alkoxy), this is preferably C.j_3alkyl, i.e. methyl, ethyl, n-propyl or i-propyl.
When either of R? or Rg is halogen, this is F, Cl, Br or I, preferably F, Cl or Br, more preferably Cl or Br, particularly Cl.
When any of Rg or is or includes halogen this is F, Cl, Br or I, preferably F, Cl or Br, particularly Cl or Br.
Preferred halogenated 2-furyl significances of R10 are monohalogenated 2-furyl, e.g. 5-chloro-2-furyl and 5-bromo-2-furyl.
Preferred C^^halogenoalkyl significances of R1Q are C1_4chloroalkyl, or Cj_4bromoalkyl, e.g. chloromethyl, bromomethyl and C2H_CHBr-.
Preferred halogenated 2-tetrahydrofuryl significances of R10 are monohalogenated 2-tetrahydrofuryl, particularly monochlorinated or monobrominated 2-tetrahydrofuryl e.g. -chloro-2-tetrahydro fury1.
Preferred C^^alkoxy-C^^alkyl significances of Rlo are Cj_3alkoxymethyl, particularly CHgOCHj- and CjH^OCHj-.
Preferred C^^alkylthio-C^^alkyl significances of R1(j are C^galkylthlomethyl, e.g. CHjSCHj-.
R^g is preferabably C2_^alkoxy-C2_^alkyl, 2-furyl or 5-halo-2-furyl.
When one of R^ and R^ is Chalky!, the other is preferably hydrogen.
When one of Rg and Rg is C1_4alkyl, the other is preferably hydrogen.
Thus, a preferred group of compounds are the 5 compounds of formula Ia, Ia -CO-(5-halo-2-furyl), Ry' and Rg' independently are CHg, Cl or Br and Rg1 is H, Cl, Br or methyl whereby 10 Ry' and Rg' are preferably identical.
According to a further aspect of the present invention, the compounds of formula I are produced by intramolecular condensation of a compound of formula II ° \ / ο Λ/ * II Rc R, R, R, „ 5X / 6 X/ 4 C - 0 - C-C - Y C - R. wherein R,, R,, R., Rc, R- and Rin are as defined 1 J 4 b o lu above and Y is halogen.
Y is preferably chlorine or bromine, particularly chlorine.
The above intramolecular condensation can be carried - 4 50501 out in a conventional manner. The reaction is exothermic. It can e.g. be carried out in a water free medium using as solvent an ether such as dimethoxyethane, an hydrocarbon such as toluene or an other solvent which is inert under the reaction conditions. The reaction temperature is not critical and can lie between about 0° and 100°c.
Since the reaction is exothermic one starts the reaction conveniently at room temperature and allows the reaction temperature to rise gradually.
The reaction is conveniently carried out in the presence of an acid binding agent such as sodium hydride, sodium amide or a sodium alkanolate e.g. sodium ethanolate.
The intramolecular condensation can also be carried out in an aqueous/organic two-phase system in the presence of an inorganic base e.g. sodium hydroxide and optionally a catalytic amount of a phase transfer catalyst. The organic phase may comprise any appropriate inert water immiscible solvent such as hydrocarbons or halogenated carbons, e.g. xylene, toluene, o-dichloro benzene or dichloromethane. Appropriate phase transfer catalysts are quaternary ammonium compounds such as benzyltrimethyl ammonium bromide, quaternary phosphonium compounds such as benzyltriphenyl phosphonium chloride and crown ethers such as 18-crown-6.
The compounds of formula II are novel. They may be obtained by acylation of compounds of formula III Rx - NH - NH - C - 0 -C-C-Y III wherein R., R,, R,, R., R, and Y are as defined above, 3 4 5 6 with a compound of formula IV, R1Q - C - Z IV wherein R-^θ is as defined above, and Z is halogen, particularly Cl, or 0-C0R^g, wherein R1Q is as defined above.
Suitable solvents for this acylation reaction are hydrocarbons such as toluene or halogenated hydrocarbons such as chlorobenzene. The reaction is conveniently effected at a temperature of from about 50° to about 120°C, e.g. 80°C.
The compounds of formula III may be obtained by conversion of compounds of formula V, Rx - NH - NH2 V wherein is as defined above, with a compound of formula VI ° Ε5\Λδ R3\/R4 X-C - 0-C-C-Y VI wherein R3, R4, R5, Rg and Y are as defined above, and X is halogen, particularly Cl.
This conversion may be effected at a temperature of from about 0° to about 10°C in water or in an organic - 6 50501 solvent which is inert under the reaction conditions, conveniently in the presence of a base e.g. an organic amine or sodium hydrogen carbonate.
The starting materials and reagents employed in the 5 processes described above are either known or, insofar as they are not known, they may be produced in analogous manner to the processes described herein or to known processes.
The compounds of formula I have useful fungicidal activity, particularly against phytopathogenic fungi, especially against fungi of the order Oomycetes as indicated by a significant effect in the following tests. Test A : ZlJD3:!:£iS?al_effect_acrainst_Phytoghthora infestans Young potted potato plants (3-5 leaf stage) are sprayed with an aqueous spray suspension containing 0.003% (weight/volume) of a compound of formula I, e.g. 2-methoxy-N-(2,6-dimethylpheny1)-N-(2-oxo-3-oxazolidinyl)acetamide (formulated in accordance with Formulation Example I). Two hours later, the treated plants are Inoculated with a spore suspension of Phytophthora Infestans and the plants are then transferred to a tent providing 100% relative atmospheric humidity at an ambient temperature of 16°C and a day length of 16 hours.
Disease control is evaluated 4-5 days later by comparing the treated plants with untreated, similarly inoculated - 7 01 plants. With the above test compound, substantial control of the fungal infestation is observed without any sign of phytotoxivity on the host plants.
Test B : F]?n2icidal_effect_acfainst_Plasmogara viticola Young potted plants of grape vine (3-6 leaf stage) are sprayed with an aqueous spray suspension containing 0.0008% (weight/volume) of a compound of formula I, e.g. 2-methoxy-N-(2,6-dimethylphenyl)-N-(2-oxo-3-oxazolidinyl)acetamide (formulated in accordance with Formulation Example I). Two hours later, the treated plants are inoculated with a spore suspension of Plasmopara viticola and the plants are then transferred to a tent providing 100% relative atmospheric humidity at an ambient temperature of 15 - 22°C (fluctuating over a 24hr-period) and a day length of 16 hours. Disease control is evaluated 6 days after inoculation by comparing the treated plants with untreated, similarly inoculated plants. With the test compound, substantial control of the fungal infection is observed without any sign of phytotoxioity on the host plants.
Test C : Curative_fun2icidal_effect_a2ainst Young potted plants of grape vine (3-6 leaf stage) are inoculated in the same way as determined in Test B, but the application of the compound, e.g. 2-methoxy-N(2,6-dimethylphenyl)-N-(2-oxo-3-oxazolidinyl)-acetamide - 8 50501 (formulated in accordance with Formulation Example I), follows only after 3 days after inoculation? the incubation conditions are the same as described in Test B.
Disease control is evaluated as stated in Test B. With the test compound, substantial control of the fungal infection is observed.
Test D : Eradicative_£un2icidal_effect_against Si5§2!2ESES_Yiii£2l3 The procedure to evaluate this kind of activity is evaluated as described in Test C, with the exception that the treatment is carried out only 6 days after inoculation, when sporulation on the lower leaf surface is already evident. Disease control evaluated 7 days after application of,e.g.,0.012% of the compound 2-methoxyN-(2,6-dimethylphenyl)-N-(2-oxo-3-oxazolidinyl)-acetamide (formulated in accordance with Formulation Example I), reveals a stopping effect on already sporulating zones, in that sporulation ceases completely.
Test E : T£2DSlocation_in_treated_leaves_of grapg.yines Excised leaves of grape vine are treated with an aqueous spray suspension containing 0.012% of a compound of formula I, e.g. 2-methoxy-N-(2,6-dimethylphenyl)-N-(2-oxo3-oxazolidinyl)-acetamide (formulated in accordance with Formulation Example I), in that only the lower half of such leaves is treated. Two hours after treatment, the whole - 9 Oi -10 - -leaf is inoculated with a spore suspension of Plasmopara Vlticola after which the leaves are incubated in a tent providing 100% atmospheric humidity at conditions as described in Test B. Although only the lower half of the leaves was treated as stated above, with the test compound substantial disease control on the entire leaf inoculated was also observed, when only the upper half of the leaves was treated. This Test thus shows, that the 2-methoxy-N(2,6-dimethyIphenyl)-N-(2-oxo-3-oxazolidinyl)-acetamide (formulated in accordance with Formulation Example I), is distributed within a leaf both acropetally and basipetally. Test F : §oil_Treatment In vivo, employing Pythlum aphanidermatum. The fungus is cultivated in a sterile mixture of sand and corn meal (97:3 v/v) to which water is added in a ratio of about 1:4 (v/v)| cultivation lasts for 4 days at 25°C. The fungus is then mixed into a semi-sterile mixture of peat and sand which then is treated with a suspension containing the formulated active ingredient to give concentration of 10 to 160 ppm (e.g. 10, 40 and 160 ppm) calculated per volume substrate). The substrate is transferred to pots of 5 cm diameter which are seeded with cucumber seeds. The planted pots are incubated at 24 °C and 60 - 70% relative humidity in an incubation chamber for 7 days, after which disease attack is determined by comparing the number of healthy emerged plants with that in untreated, similarly inoculated check pots. The compound of Example 1, hereinafter, used in the wettable powder formulation given above provides full disease control.
Tests analogous to Test p give similar results with peas and sugar beets.
Each of the compounds listed below in the following Examples is found to possess fungicidal properties indicating their usefulness as fungicides.
Particularly effective fungicidal activity is found in the above tests with the compounds of formula Ia wherein R2' is COCHgOCgHg, R?' and Rg' are CHg and Rg' isH, wherein R2' is CO-(2-furyl), R^' and Rg' are CHg and Rg' is H, wherein Rg' is CO-(5-bromo-2-furyl), R?' and Rg' are CHg and Rg' is H, wherein R2' is COCH2OCHg, r7- and Rg' are Cl and Rg' is H, wherein R2' is COCH2OCHg, V and Rg' are CHg and Rg' is 3-Br and especially with the compound of formula Ia, wherein Rg' is COCHgOCHg, R?1 and Rg' are CHg and Rg' is H. - 11 50501 The invention therefore also provides a method of combating phytopathogenic fungi, especially of the order Oomycetes, in plants, seeds or soil, which process comprises treating the plants, seeds or soil with a fungicidally effective amount of a compound of formula I Fungi of the order Oomycetes, against which the method of the invention is particularly effective, are those of the genus Phytophthora in plants such as potatoes, tomatoes, tobacco, citrus, cacao, rubber, apples, strawberries, vegetables and ornamentals, e.g. Phytophthora infestans in potatoes and tomatoes; of the genus Plasmopara viticola in grape vines; of the genus Peronospora in plants such as tobacco, e.g. Peronospora tabacina in tobacco; of the genus Pseudoperonospora in plants such as hops and cucumber, e.g. Pseudoperonospora humuli in hops; of the genus Bremia in plants such as lettuce, e.g. Bremia lactucae in lettuce; of the genus Pythium causing damping-off and root rots in a great number of plants, such as vegetables, sugar beets, ornamentals and conifers, e.g. Pythium aphanidermatum in sugar beets; of the genus Sclerospora in plants such as sorghum and corn, e.g. Sclerospora sorghis in sorghum.
For use in the method of the invention, the amount of the preparation to be employed will vary depending on such factors as the species of fungi to be combated. - 12 50501 - 13 the time and nature of application and the amount and nature of the compound of formula I employed in the preparation.
However, in general, satisfactory results are 5 obtained when applied to a locus, e.g. on crops or to soil with a dosage rate in the range of from 0.05 to 5 kg, preferably from 0.1 to 3 kg of a compound of formula X/ha treated locus, the application being repeated as required. When employed as a seed dressing, satisfactory results are obtained when applied at a rate of from about 0.05 to 0.5, preferably about 0.1 to 0.3 g compound of formula I/kg seed.
According to a preferred method of the invention the compounds of formula I are used in association with fungicides which are effective against phytopathogenic fungi, against which the compounds of formula I are not or not satisfactorily effective, this method enabling the treatment of a wider range of phytopathogenic fungi than with the compounds of formula I above.
A particularly preferred method of the invention comprises applying to the locus to be treated fungicidally effective amounts of a component a) comprising a compound of formula I and of a component b) selected from a component bl) a copper fungicide or a component b2) captan or folpet or a component b3) mancozeb or maneb.
Examples of copper fungicides suitable for use as component bl) are copper (II) carbonate, copper (II) calcium sulphate, copper (II) calcium oxychloride, tetracupric oxychloride, Bordeaux mixture, Burgundy mixture, cuprous oxide, cupric hydroxide, copper (II) oxychloride or also copper complexes such as copper triethanolamine hydroxide of the formula [Cu N(CH2CH2OH)3 ](OH)2, commercially available under the Trademark K-Lox, or bis(ethylenediamine)-copper (II) sulphate of the formula [Cu(H2NCH2CH2NH2)2)SO4, commercially available under the Trademark Komeen, and mixtures thereof, particularly cuprous oxide, copper (II) oxychloride, cupric hydroxide and a mixture of copper (II) calcium sulphate and copper (II) oxychloride.
Captan, Folpet, Mancozeb and Maneb are the common names for protective fungicides effective against foliage diseases (Pesticide Manual, 5th Ed., by H. Martin and C.R. Worthing, page 76, 281, 328 and 329 resp.).
The method of this invention wherein component a) and component b) are used, is effective against a wide range of phytopathogenic fungi.
Preferably component a) is applied at a rate of 100-400 g/ha and component b) at a rate of 200-2000 g/ha.
Preferably the weight ratio of component a) : component b) is in the range of 1:1 to 1:10, more - 14 50501 preferably of Is2 to 1:10, particularly of 1:2 to 1:7.
The method of the invention wherein component a) and component b) are used is particularly effective against phytopathogenic fungi in plants such as potato, tomato, and other Solanaceae .tobacco, citrus, cacao, rubber, apple, strawberry, vegetables and ornamentals, e.g. against fungi of the genus Plasmopara, e.g. Plasmopara viticola in grape vine, of the genus Gulgnardia, e.g. Guignaridia bidwelli in grape vine of the genus Phoma in grape vine, of the genus Pseudopeziza, e.g. Pseudopezlza trachelphlla in grape vine, of the genus Gloeosporium, e.g. Gloeosporium ampelophagum in grape vine of the genus Botrytis in grape vine and lettuce, e.g. Botrytis cinerea in grape vine, of the genus Phytophthora, Phytophthora infestans in potato, tomato or other Solanaceae, Phytophthora parasitica in tomato or other Solanaceae, Phytophthora cryptogaea in tomato and other Solanaceae, Phytophthora mexicana in tomato and other Solanaceae,Phytophthora nicotlanae in tobacco and Phytophthora palmlvora in rubber or cacao, of the genus Peronospora, e.g. Peronospora tabacina in tobacco, of the genus Pseudoperonospora, e.g. Pseudoperonospora humuli in hop, of the genus Bremia in plants such as lettuce, e.g. Bremia lactucae, of the genus Pythium, e.g. Pythium aphanidermatum in sugar beet, of the genus Alternaria, e.g. Alternaria solani in potato, tomato and other Solanaceae, Alternaria - 15 5050 1 tenuis in tobacco, of the genus Spondylocladium, e.g. Spondylocladium atrovlrens in potato, of the genus Rhizoctonia, e.g. Rhizoctonia solani in potato, tomato and other Solanaceae, of the genus Cladospprium, e.g.
Cladosporlum fulvum in tomato or other Solanaceae, of the genus Colletotrichum in plants such as cacao or tomato, e.g. Colletotrichum atramentarium in tomato or other Solanaceae,of the genus Glomerella, e.g. Glomerella lycopersici in tomato and other Solanaceae, of Corticium spp in tomato and other Solanaceae, of the genus Botryodiplodia, e.g. Botryodiplodia theobromae in cacao. This method of the invention allows the control of a significantly wider range of fungal diseases than by treatment with only one of the components. in general, a greater than additive effect of the components is observed, especially after treatment with concentrations of component a) and component b) allowing a practically complete, more specifically more than 80%, control of the fungi, particularly when copper (ii) oxychloride, cuprous oxide, captan, mancozeb or maneb is used as component b), and especially when used against phytopathogenic fungi of the order Oomvcetes, - 16 50501 especially against Oomycetes of the genus Phytophthora, e.g. Phytophthora Infestans, of the genus Plasmopora, e.g. Plasmopora viticola, of the genus Peronospora, e.g. Peronospora tabacclna, of the genus Pseudoperonospora, e.g. Pseudoperonospora humuli, of the genus Bremia, e.g. Bremla lactucae, and of the genus Pythium, e.g. Pythium aphanidematum.
The method of the invention wherein the components a) and b) are used, is especially indicated for combating or preventing fungi in grape vines, tomato and other Solanaceae and in cacao when a component bl) is used, in grape vines when a component b2) is used and in grape vines, potato, tomato and other Solanaceae, tobacco and hop when a component b3) is used.
The components a) and b) may be employed in formulation form and applied e.g. as a tank mix or separately. They are, however, preferably applied in admixture in the form of an aqueous spray or oil based concentrate.
The useful fungicidal activity obtained after treatment with a component a) and a component b) is illustrated by the following tests.
Test G : Jun2icidal_effect_a2ainst_Phytophthora infestans The test is carried out as described in Test A, whereby the plants are treated with a tank mix of an - 17 50501 aqueous spray suspension containing component a) and component b) in concentrations indicated in Tables A^ to Ag below. The disease control is evaluated 4-5 days later by comparing the results with the effect that would be obtained if only an additive effect would arise. A more than additive effect is indicated, as illustrated in the following Tables A. to A,.
X o Table Αχ Table A2 Component a) of Example 1 hereinafter (in ppm) cuprous oxide (1) (in ppm) 0 2 8 32 O 0 30 70 90 2 0 40 (30) 80 (80) 100 (100) 8 20 60 (45) 90 (90) 100 (90) 32 SO 80 (70) 100 (90) 100 (95) Component a) of Example 1 hereinafter (in ppm) 0) *0 •H K o 0 2 8 32 0 0 40 80 loo i-J *** Ό g >t Sj Λ G 2 0 50 (40) 100 (80) 100 (100) w c 3 Ή 0 — μ 8 30 80 (60) 100 (85) 100 (100) 3 CM ϋ 32 75 90 (85) 100 (95) 100 (100) ( ) calculated additive effect (1) in commercially available Copper-Sandoz form (2) in commercially available Kocide 101 form - 18 50501 Table A3 Component a) of Example 1 hereinafter (in ppm) 0 2 8 32 & Pi 0 0 30 80 100 fi •H 2 20 50 (45) 100 (85) 100 (100) ω a 8 40 80 (60) 100 (90) 100 (100) o 32 70 90 (80) 100 (95) 100 (100) ( ) calculated additive Table A. . ί Component a) of Example 1 hereinafter (in DDir.) CAPTAN (in ppm) 0 0 2 8 32 0 40 80 100 2 30 70 (40) 90 (80) 100 (100) 8 20 90 (50) 100 (85) 100 (100) 32 80 100 (90) 100 (95) 100 (100) Table A5 Component a) of Example 1 hereinafter (in ppm) Mancozeb (in ppm) 0 2 8 32 0 0 20 80 95 2 20 80 (35) 100 (85) 100 (95) 8 40 90 (50) 100 (90) 100 (100) 32 75 95 (80) 100 (95) 100 (100) Table Ag Component a) of Example 1 hereinafter (in ppm) Maneb (in ppm) 0 0 2 8 32 0 30 70 95 2 30 70 (50) 90 (80) 100 (100) 8 40 85 (60) 100 (80) 100 (100) 32 85 100 (90) 100 (95) 100 (100) ( ) calculated additive effect. - 19 50501 Test Η : Fungicidal_effect_against_Plasmopara viticola The Test is carried out as described in Test B, whereby the plants are treated with a tank mix of an aqueous spray suspension containing component a) and component b) in concentrations indicated in Tables B to R, below. The observed effect is given by the X 0 following Tables to Βθ.
Table Βχ ‘ Table B2 Component a) of Example 1 hereinafter (in ppm) cuprous oxide (1) (in ppm) 0 2 8 32 0 0 30 70 100 2 10 30 (35) 70 (75) 100 (100) 8 50 60 (65) 100 (85) 100 (100) 32 80 85 (85) 100 (95) 100 (100) Component, a) of Example 1 hereinafter (in ppm) cuprous hydroxide (2) (in ppm) 0 2 8 32 0 0 40 70 100 2 20 40 (45) 70 (75) 100 (100) 8 40 60 (60) 100 :eo) 100 (100) 32 70 80 (80) 100 (90) 100 (loo) ( ) calculated additive effect (1) in commercially available Copper-Sandoz form (2) in commercially available Kocide 101 form - 20 5050 Table B3 Component a) of Example 1 hereinafter (in ppm) a Ot β ft M ft q o ft 0 2 8 32 0 0 40 80 100 2 40 60 (65) 100 (90) 100 (100) 8 70 80 (80) 100 (95) 100 (100) 32 LOO 100 (100) 100 (100) 100 (100) Table B^ Component a) of Example 1 hereinafter (in pom) CAPTAN (in ppm) 0 0 0 2 8 32 40 70 100 2 0 40 (40) 80 (70) 100 (100) 8 70 95 (80) 100 (90) 100 (100) 32 100 100 (100) 100 (100) 100 ( 100) ( ) calculated additive effect.
Table Bg Table Bg Component a) of Example 1 hereinafter (in ppm) Mancozeb (in ppm) 0 2 8 32 0 0 40 80 100 2 20 60 (50) 100 (85) 100 (100) 8 70 95 (80) 100 (95) 100 (100) 32 90 100 (95) 100 (100) 100 (100) Component a) of Example 1 hereinafter (in ppm) I Λ fi -H XI CD C «J 0 2 8 32 0 0 35 80 100 2 20 50 (50) 90 (85) 100 (100) 8 60 90 (75) 100 (90) 100 (100) 32 95 100 (100) 100 (100) 100 (100) ( ) Calculated additive effect.
The compounds of formula I are conveniently employed as fungicidal compositions in association with agricul5 turally acceptable carriers or diluents. Such compositions also form part of the present invention. They may contain aside from a compound of formula I as active agent, other active agents, such as fungicides, parti- 21 50501 cularly a fungicide selected from the group comprised by component b) as defined hereinbefore. They may be employed in either solid or liquid application forms e.g. in the form of a wettable powder, an emulsion concentrate, a water dispersible suspension concentrate (flowable), a dusting powder, a granulate, a delayed release form, incorporating conventional carriers, diluents and/or adjuvants. Such compositions may be produced in conventional manner.
The compositions of the invention comprising both components a) and b) may for example be obtained by mixing said components a) and b), optionally with a carrier and other formulating ingredients.
Particularly formulations to be applied in spraying forms such as water dispersible concentrates or wettable powders may contain surfactants such as wetting and dispersing agents, e.g. the condensation product of formaldehyde with naphthalene sulphonate, an alkylarylsulphonate, a lignin sulphonate, a fatty alkyl sulphate, an ethoxylated alkylphenol and an ethoxylated fatty alcohol.
In general, the formulations include from 0.01 to 90% by weight of active agent, said active agent consisting either of at least one compound of formula I or mixtures thereof with other active agents, such as fungicides e.g. a component b) as defined hereinbefore. - 22 50501 Concentrate forms of composition generally contain between about 2 and 80%, preferably between about 5 and 70% by weight of active agent. Liquid application forms of formulation may contain from 0.01 to 20% by weight, preferably from 0.01 to 5% by weight of active agent.
The invention is illustrated by the following Examples wherein parts and percentages are by weight and temperatures are in °C. - 23 Formulation Example I : Wcttable_powder Parts of 2-methoxy-N-(2,6-dimethylphenyl)-N-(2oxo-3-oxazolidinyl)-acetamide are ground with 2 parts of lauryl sulphate, 3 parts sodium lignin sulphonate and 45 parts of finely divided kaolinite until the mean particle size is below 5 microns. The resulting wettable powder so obtained is diluted with water before use to a concentration of between 0.01% to 5% active agent. The resulting spray liquor may be applied by foliar spray as well as by root drench application.
Formulation Example 2 : Granulate Onto 94.5 parts by weight of quartz sand in a tumbler mixer is sprayed 0.5 parts by weight of a binder (nonionic tenside) and the whole thoroughly mixed. 5 Parts by weight of powdered 2-methoxy-N-(2,6-dimethylphenyl)15 N-(2-oxo-3-oxazolidinyl)-acetamide are then added and thoroughly mixing continued to obtain a granulate formulation with a particle size in the range of from 0.3 to 0.7 mm. The granulate may be applied by incorporation into the soil adjacent the plants to be treated. - 24 50501 Formulation Examples 3 to 6 (wettable powders) % by weight Example 3 4 5 6 Component a) 12.65 6.25 12.5 6.25 copper (II) oxychloride (<^-56% Cu) 47 47 cuprous oxide (rs 88% Cu) 29 29 Na laurylsulphate 1 1 1 1 ligninsulphonate 10 10 10 10 Kaolin 29.5 35.75 39.5 45.75 e.g. 2-methoxy-N-(2,6-dimethylphenyl)-N-(2-oxo3-oxazolidinyl)-acetamide All the components of the formulation are mixed, milled and mixed again in conventional manner. - 25 50501 Formulation Examples 7 to 9 (wettable powders) % by weight Example 7 8 9 Component a) 25 12.5 6.25 (2) Component b2 50 50 50 Na oleoylmethyltauride 2 2 2 Condensation product of Na alkyl naphthalenesulphonate and formaldehyde 5 5 5 silica gel 5 5 5 Kaolin 13 25.5 31.75 ' 7 e.g. 2-methoxy-N-(2,6-dimethylphenyl)-N-(2-oxo3-oxazolidinyl)-acetamide (2) e.g. Fo)pet All the components of the formulation are mixed, milled and mixed again in conventional manner. - 26 50501 Formulation Examples 10 to 12 (wettable powders) % by weight Example 10 11 12 Component a) 25 12.5 6.25 Component b3) 50 50 50 Na laurylsulphate 1 1 1 ligninsulphonate 4 4 4 Silica gel 5 5 5 Kaolin 15 27.5 33.75 1 ' e.g. 2-methoxy-N-(2,6-dimethylphenyl)-N-(2-oxo3-oxazclidinyl)-acetamide e.g. mancozeb The formulation is obtained by mixing the components, subsequently milling the mixture and repeated mixing in conventional manner. - 27 01 Example 1 : ^^Methoxy^izl^ri^dimethylphenyl^-N^JZ-oxo^S°2?3222i^iDyii23£®iS!Bi^® 11.8 g (0.0375 mol) 2-Chloroethyl 2-(methoxyacetyl) -2- (2,6-dimethyIphenyl)-hydrazinecarboxylate are added portion-wise to a suspension of 2.0 g sodium hydride (in form of about 55% by weight in mineral oil) in 100 ml absolute toluene at room temperature under a blanket of nitrogen. The reaction temperature rises gradually during this addition up to 40°. After the addition is complete the mixture is stirred during 30 minutes without cooling and afterwards cooled to 10°.
The unreacted sodium hydride is then destroyed with ethanol, the obtained solution washed with water dried with MgSO^ and the solvent removed in vacuo to give the end title compound which is reerystallised from ethanol to yield the title compound as colourless crystals, m.p. 103-104°.
Example la : 2;;Chloroethyl_2;_(inethoxyacetYl)_22;;_(2x62 ^i^bhylphenyli^hydrazinecarboxylate The starting material used in Example 1 is obtained as follows: A mixture of 14.7 g (0.06 mol) 2-chloroethyl 2(2,6-dimethyIphenyl)-hydrazinecarboxylate and 16.2 g (0.1 mol) methoxy acetic acid anhydride [(CH^QCI^CO)20] are stirred in 100 ml dry toluene during 1 hour at 80°. After cooling, the solution is washed with water, then - 28 50501 with a 5% NallCOg aqueous solution and then again with water.
The solution is dried with MgSO^ and the solvent removed in vacuo to give the title compound of Example la.
Example lb : 2-Chloroethyl_22_( 2j, 6-dimethylghenyl).;; i2Y!?Eazinecarboxylate To a mixture of 127 g ( 0.935 mol) 2,6-dimethylphenylhydrazine, 102.5 g (1.3 mol) pyridine and 400 ml water is added, at 0-5°, 133.5 g ( 0.935 mol) chloroformic acid β-chloroethyl ester. After the addition is complete, the mixture is stirred for 2 hours at room temperature, the formed precipitate filtered off, washed with water and dried. The so obtained title compound is recrystallised from toluene to yield colourless crystals, m.p. 74-75°.
According to a preferred alternative procedure of Example 1, la and lb, one proceeds as follows: Example 2 : 22Methoxy2NiJ2x62dimethylphenyl).2N"J2-oxC3 236.1 g (0.75 mol) 2-Chloroethyl2-(methoxyacetyl)2-(2,6-dimethylphenyl)-hydrazinecarboxylate, 375 ml xylene and 187 ml water are stirred with external cooling, while 82.5 ml (0.82 mol) of an aqueous solution of sodium hydroxide (containing^ 0.4 g NaOH per ml) are added at a rate to maintain the internal temperature at approx. 20°. - 29 50501 The mixture is stirred after completion of the addition for 1 hour at 20°, and for 2 hours at 0°. The solid is filtered off, washed with 150 ml water and dried to yield the title compound as a slightly coloured solid, m.p. 102-103°.
Example 2a : ^^Chloroethyl^^^^methoxyacetyl).-?-!^^dimethylghenyl^ihydrazinecarboxylate 200 g (0.825 mol) 2-Chloroethyl 2-(2,6-dimethylphenyl)-hydrazinecarboxylate in 500 ml xylene are warmed to 80°, and added to a warm (80°) solution of 2-methoxyacetylchloride in 250 ml xylene, prepared in situ by treating 73.5 g (0.826 mol) 2-methoxyacetic acid in 250 ml xylene with 107.1 g (0.9 mol) thionyl chloride at 80° for 2 hours. The mixture is heated for 30 minutes at 80°, then worked up as described in Example la.
Example 2b : ^Chloroethy 1_2^_(22θ-dimethylphenyl).;; A mixture of 17.7 g (0.1 mol) 2,6-dimethylphenylhydrazine hydrochloride, 21.2 g (0.2 mol) sodium carbonate in 50 ml water and 50 ml xylene are stirred for 30 minutes at room temperature, then cooled to 5°. 14.3 g (0.1 mol) chloroformic acid 2-chloroethylester is then added over a period of 1 hour, the temperature being maintained at 5°. The mixture is stirred at 5° for another hour, at the end of which 100 ml water are added, the precipitate thus formed filtered off, washed with water and dried. Further work-up as in Example lb. - 30 50501 In analogous manner to that described in the preceding Examples 1 and 2 the following compounds of formula I are produced EX. No.R3R4R5R6R7R8R9R10 M.p. (°C) 3 H H H HCfi3 CHg H ch2oc2h5 62-4 4 H H H HCH3 Cl H CHgOCHg 99-100 5 H H H H CHg CHg H 190-1 6 H H H H CHgCH3 4-C1 CHgOCHg 107-9 7 H CHg CHg HCIi3 CHg H CH2OCHg 8 H H H HCH3 CHg H CHjSCHg 113-5 9 H H H H CHg CHg H ch2ci 134-6 10 H H H H CHg Cl H ch2ci 135-6 11 H H H HCH3 CHg H CH2OCH(CHg)2 12 H H H HCH3 Cl H CH2OCH(CHg)2 13 H H H HCH3 Cl H -ώ 166-7 14 H H H H CHgCH3 H CH-SC.Ho(n) 2 4 9 oil 15 H H H HCH3 Cl H CH2SC4II9 (n) oil 16 H H H H CHg CHg H iH"C2H5 Br 123-4 17 H H H H CHg CHg H CH-CH, 1 O Cl 147-8 18 H H H H CHg CHg H CH2Br 143-4 19 H H H H -H3 CHg H 119-20 20 H H H 8 Cl Cl H CHjOCHg 107-9 21 H H H 3 Cl Cl H ch2ci 142-4 - 31 50501 Ex. No.R3R4R5R6R7R8R9R10 M.p. (°C) 22 H H H H Cl Cl H ΰ 173-4 23 H H H H CH3CH3 H N=1 CH2KJ 139-41 24 H H H H CH3 ch3 4-CH3 CH2OCH3 oil 25 H H H HCH3C2H5 H CH2C1 oil 26 H H H H CH3CH3 3-C1 CH2OCH3 90-2 27 H H H H CH3 ch3 3-Br CH2OCH3 96-7 28 H H H H ck3CH3 3-Br CH2C1 182-3 29 K H H H CH3 ch3 3-Br ΰ 145-8 30 H H H H CH3 Br 4-CH3 CH2OCH3 125-6 31 H H H H CH3 Br 4-CH3 CH Cl 124-6 32 H H H H CH3 Br 4-CH3 ΰ 193-4 33 H H H HCH3 ch3 H CHOCH- 1 «j CH3 90-4 34 H H H HCH3 ch3 H n 149-52 35 H H H H ch3CH3 4-C1 CH2C1 gum 36 H H H H CH3 ch3 4-C1 Q 164-5 37 H H H HC2H5C2K5 H CH2OCH3 109-12 38 H H H H CH3CH3 H CH2OC3H?(n) oil - 32 50501 Ex. No.R3R4R5R6R7R8R9R10 M.p. (°C) 39 H H H H ch3 ch3 H CH20C4Hg(n) 40 H H H H ch3 ch3 H ch2och-c2h5 0h3 41 H H H H ch3 ch3 H Ch2O^OVj 107-8 42 H H ch3 H ch3CH3 H CH20CH3 79-80 43 H H H H oh3 CH3 HCH2<3 56 44 H H H HC2H5C2H5 H Q 142-4 45 H H H HC2H5C2H5 H CH2d 88-9 46 H H H H Br Br H CH20CH3 150-2 47 H H H H 01 Cl 4-C1 CH2OCH3 128-9 48 H H H H -2H5C2H5 4-C1 CH2OCH3 114-6 49 H H H H Br Cl 4-CH3 CH2OCH3 131-4 50 H H H H 3H3C2H5 HCH2OCH3 96-8 51 H H H H CH3 CH3 4-Br CH2OCH3 137-8
Claims (1)
1. A compound of formula I halogen or C 1 _ 4 alkoxy, and R g is hydrogen, 4 alkyl or halogen, R 2 is CO-R 1() , v/herein Rg Q is C 1 _ 4 alkoxy-C^_ 4 alkyl, C^_ 4 alkvlthio-C^ ^alkyl, 2-furyl, 2-tetrahydrofuryl, halogenated 2-furyl, halogenated 2-tetrahydrofuryl, 1-imidazolylmethyl, 1-pyrazolylmethyl, 2. -tetrahydrofuryloxynethy1, 2-tetrahydropyranyloxymefchyl, or C^_ 4 halogeno alkyl, and R 3 , R^, Rg and R g are independently hydrogen or C-^alkyl. 2Λ compound of Claim 1 wherein Rg, R^, Rg and R g are hydrogen. 3. A compound according to Claim 2 wherein Rg is -COCHgOCHg, -COCHgOCgHg, -CO-(2-furyl) or -CO-(5-halo-2furyl), R ? and R g are independently CHg, Cl or Br and R g is H, Cl, Br or CHg. 4. A compound according to Claim 3 wherein Rg and R g are identical. 5. A compound of Claim 4, wherein Rg, R g , R g and are CHg, CHg, H and CHgOCHg respectively. 6. A compound of Claim 4 wherein Rg, R g , R g and R lg are CHg, CHg, H and CHgOCgHg respectively. 7. A compound of Claim 3 wherein Rg, R g , R g and R 1Q are CHg, Cl, H and CHgOCHg respectively. 8. A compound of Claim 4, wherein Rg,R g , R g and Rare CHg, CHg, H and 2-furyl respectively. 9. A compound of Claim 4 wherein Rg, R g , R g and R n θ are CHg, CHg, 4-C1 and CHgOCHg respectively. 10. A compound of Claim 2 wherein Rg, R g , R g and are CHg, CHg, H and CHgSCHg respectively. 11. A compound of Claim 2 wherein Rg, R g , R g and R^ g are CHg, CHg, H and CHgCl respectively. 12. A compound of Claim 2 wherein Rg, R g , R g and R^ g are CHg, Cl, H and CHgCl respectively. 13. A compound of Claim 2 wherein Rg, R g , R g and R^ g are CHg, CHg, H and CH^OCHiCHgJg respectively- 35 50501 14. A compound of Claim 2 wherein Ry, Rg, Rg and R^g are CHg, Cl, H and CHgOCH (CH/) 2 respectivelyare 15CH 3' A compound of Claim 3 wherein Ry, Rg, Cl, H and 2-furyl respectivelyR 9 and R^g 5 16A compound of Claim 2 wherein Ry, Rg, *9 and R 1q are ch 3 , CHg, H and CH 2 SC 4 H g (n) respectively 17. A compound of Claim 2 wherein Ry , Ηθ, R 9 and R 10 are ch 3 Cl, H and CHgSC^Hg(n) respectively 18. A compound of Claim 2 wherein R_, R n , R 9 and R 1q 10 are CH 3' CHg, H and CHBrCgHg respectively 19. A compound of Claim 2 wherein Ry, Rg, R 9 and R 1q are CH 3' CHg, H and CHClCHg respectively 20. A compound of Claim 2 wherein Ry, Rg, R 9 and are ch 3 , CHg, H and CH 2 Br respectively 15. 21A compound of Claim 4 wherein Ry, Rg, R 9 and R 10 are ch 3 , CHg, H and 5-Br-2-furyl respectively 22. A compound of Claim 4 wherein Ry, Rg, R 9 and R 1q are Cl, Cl, H and CHgOCHg respectively 23. A compound of Claim 2 wherein R , R , / o R 9 and R^q 20 are Cl, Cl, H and CH 2 C1 respectively 24. A compound of Claim 4 wherein Ry, Rg, R 9 and R 1Q are Cl, Cl, H and 2-furyl respectively 25. A compound of Claim 2 wherein Ry , Rg, R 9 and R lo are ch 3 , CHg, H and 1-pyrazolvlmethyl respectively 25 26A compound of Claim 4 wherein Ry, Rg, R 9 and Rg.g are cn 3 , CHg, 4-CHg and CHgOCHg respectively- 36 50501 -3727A compound of Claim 2 wherein R?, Rg, Rg and are CHg, C 2 Hg, H and CH 2 C1 respectively. 28. A compound of Claim 4 wherein R^, Rg, Rg and are CHg, CHg, 3-C1 and CH 2 OCHg respectively 5 29A compound of Claim 4 wherein R?, R g , R g and Η^θ are CHg, CHg, 3-Br and CH 2 OCHg respectively. 30. A compound of Claim 2 wherein R ? , Rg, R g and R 1Q are CHg, CHg, 3-Br and CH 2 C1 respectively. 31. A compound of Claim 4 wherein R?, Rg, Rg and R^g 10 are CHg, CHg, 3-Br and 2-furyl respectively. 32. A compound of Claim 3 wherein R ? , R g , R g and R^g are CHg, Br, 4-CHg and CHgOCHg respectively. 33. A compound of Claim 2 wherein R?, Rg, Rg and R^g are CHg, Br, 4-CHg and CHjCl respectively. 15 34. A compound of Claim 3 wherein R ? , R g , Rg and R^ Q are CHg, Br, 4-CHg and 2-furyl respectively. 35. A compound of Claim 2 wherein R^, Rg, Rg and R^q are CHg, CHg, H and CH(CHg)OCHg respectively. 36. A compound of Claim 2 wherein R?, Rg, Rg and R^g 20 are CHg, CHg, H and 2-tetrahydrofuryl respectively. 37. A compound of Claim 2 wherein R ? , Rg, Rg and R^g are CHg, CHg, 4-C1 and CH 2 C1 respectively. 38. A compound of Claim 2 wherein R?, Rg, R g and R^g are CHg, CHg, 4-C1 and 2-furyl respectively- 38 39A compound of Claim 2 wherein R_, R o , R n and Rn / o y xu are CgHg, CgHg, H and CHgOCHg respectively. 40. A compound of Claim 2 wherein Ry, Rg, Rg and R^g are CHg, CH^, H and CHgOCgHy(n) respectively. 41. A compound of Claim 2 wherein Ry, Rg, Rg and R^g are CHg, CHg, H and CHgOC^Hg(n) respectively. 42. A compound of Claim 2 wherein Ry, Rg, Rg and R^g are CHg, CHg, H and CHgOCH(CHg)CgHg respectively. 43. A compound of Claim 2 wherein Ry, Rg, Rg and R^g are CHg, CHg, H and 2-tetrahydropyranyloxymethyl respectively. 44. A compound of Claim 2 wherein Ry, Rg, Rg and R^g are CHg, CHg, H and 1-pyrazolylmethyl respectively. 45. A compound of Claim 2 wherein Ry, Rg, Rg and R^ Q are CgHg, CgHg, H and 2-furyl respectively, 46. A compound of Claim 2 wherein Ry, Rg, Rg and R are C_H c , C_H c , H and CH-Cl respectively. 47. A compound of Claim 4 wherein Ry, Rg, Rg and R^g are Br, Br, H and CHgOCHg respectively. 48. A compound of Claim 4 wherein Ry,Rg, R g and R^g are Cl, Cl, 4-Cl and CHgOCHg respectively. 49. A compound of Claim 2 wherein Ry, Rg, Rg and R^g - 39 are CgHg, C 2 H 5' 4-cl and CH 2 OCH 3 res P ective ^Y· 50. A compound of Claim 3 wherein Rg, Rg, R g and R^g are Br, Cl, 4-CHg and CHgOCHg respectively. 51. A compound of Claim 2 wherein Rg, Rg, R g and R^ g are CHg, CgHg, H and CHgOCHg respectively. 52. A compound of Claim 2 wherein Rg, Rg, R g and R^g are CHg, CHg, 4Br and CHgOCHg respectively. 53. A method of combating phytopathogenic fungi in plants, seeds or soil, which comprises applying to the plants, seeds or soil a fungicidally effective amount of a compound claimed in any one of Claims 1 to 52. 54. A method of combating phytopathogenic fungi in plants or soil according to Claim 53, which comprises applying to said locus 0,05 to 5 kg of a compound claimed in any one of Claims 1 to 52 per hectare treated locus. 55. A method according to Claims 54, in which the dosage rate is from 0.1 to 3 kg of a compound claimed in any one of Claims 1 to 52 per hectare treated locus. 56. A method of combating phytopathogenic fungi in seeds according to Claim 53, which comprises applying from 0.05 to 0.5 g of a compound claimed in any one of claims 1 to 52 per kg seed. 57. A method of combating phytopathogenic fungi in a locus which comprises applying to the locus to be treated fungicidally effective amounts of - 40 a component a) comprising a compound of formula I as defined in any one of Claims 1 to 52, and of a component b) selected from a component bl) a copper fungicide or a component b2) captan or folpet or a component b3) 5 mancozeb or maneb. 58. A method according to Claim 57, wherein component b) is mancozeb. 59. A method according to Claim 57, wherein component b) is cuprous oxide, copper (II) oxychloride, 10 cupric hydroxide or a mixture of copper (II) calcium sulphate with copper (II) oxychloride. 60. A method according to any one of Claims 57 to 59 which comprises applying component a) at a rate of 100-400 g per hectare and component b) at a rate of 15 200-2000 g/ha. 61. A method according to Claim 60 which comprises applying the components a) and b) in a weight ratio of 1:1 to 1:10 of component a) : component b) 6 2A method according to Claim 61 wherein the 20 weight ratio component a) : component b) is 1:2 to 1:7. 63. A composition comprising a compound of formula I as defined in any one of Claims 1 to 52 in association with an agriculturally acceptable carrier or diluent. 64. A fungicidal composition comprising a component 25 a) and a component b) as defined in Claim 57 in a weight ratio of 1:1 to 1:10 of component a) : component b) 5050. -4165A fungicidal composition according to Claim 64 where in the weight ratio component a) : component b) is from 1:2 to 1:7, 66. A composition according to any one of Claims 5 63 to 65 in comprising from 0.01 to 90% by weight of a compound of formula I as claimed in any one of Claims 1 to 52 or mixtures thereof with component b) as defined in Claim 57. 67. Concentrate forms of compositions according to 10 any one of Claims 63 to 66 comprising from 2 to 80% of component a) or of a mixture of component a) and component b) as defined in Claim 57 . 68. Liquid application forms of compositions according to any one of Claims 63 to 66 comprising 15 from 0.01 to 20 % by weight of component a) or of a mixture of component a) and component b) as defined in Claim 57. 69. A process for the production of a compound of formula I as claimed in Claim 1 characterized by intra20 molecular condensation of a compound of formula II XI wherein R^, Rg, R 4 , Rg, Rg and R^ Q are as defined in Claim 1 and Y is halogen- 4270· A process for the production of a compound of fonnula I substantially as hereinbefore described with reference to any one of the Examples 1 to 51. 71. A compound of formula a process claimed in claim 69 I whenever produced by or 70·
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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GB7928603 | 1979-08-16 | ||
GB8013720 | 1980-04-25 | ||
GB8013719 | 1980-04-25 | ||
GB8013721 | 1980-04-25 |
Publications (2)
Publication Number | Publication Date |
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IE801723L IE801723L (en) | 1981-02-16 |
IE50501B1 true IE50501B1 (en) | 1986-04-30 |
Family
ID=27449134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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IE1723/80A IE50501B1 (en) | 1979-08-16 | 1980-08-14 | Fungicidal n-acylamino oxazolidinones |
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Country | Link |
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AT (1) | AT380014B (en) |
AU (1) | AU534946B2 (en) |
BR (1) | BR8005179A (en) |
CA (1) | CA1303046C (en) |
CH (1) | CH646158A5 (en) |
DK (1) | DK151960C (en) |
DZ (1) | DZ248A1 (en) |
FR (1) | FR2463132A1 (en) |
HU (1) | HU186740B (en) |
IE (1) | IE50501B1 (en) |
IL (1) | IL60837A (en) |
IT (1) | IT1194679B (en) |
KE (1) | KE3439A (en) |
NL (1) | NL188751C (en) |
PL (1) | PL126290B1 (en) |
YU (1) | YU42530B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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IT1123564B (en) * | 1979-09-07 | 1986-04-30 | Montedison Spa | N-ARIL-N-ACIL-3-AMINO-OSSAZOLIDIN-2-ONI FUNGICIDES |
IT1152196B (en) * | 1982-05-27 | 1986-12-31 | Montedison Spa | FUNGICIDE COMPOUND |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CH633942A5 (en) * | 1977-02-04 | 1983-01-14 | Ciba Geigy Ag | Microbicidal composition, process for the preparation of the active substance, and its use for controlling phytopathogenic fungi |
-
1980
- 1980-08-08 CH CH603580A patent/CH646158A5/en not_active IP Right Cessation
- 1980-08-10 DZ DZ805942A patent/DZ248A1/en active
- 1980-08-13 YU YU2040/80A patent/YU42530B/en unknown
- 1980-08-13 NL NLAANVRAGE8004584,A patent/NL188751C/en not_active IP Right Cessation
- 1980-08-14 IL IL60837A patent/IL60837A/en unknown
- 1980-08-14 IT IT24168/80A patent/IT1194679B/en active
- 1980-08-14 IE IE1723/80A patent/IE50501B1/en not_active IP Right Cessation
- 1980-08-14 AT AT0416080A patent/AT380014B/en not_active IP Right Cessation
- 1980-08-14 AU AU61462/80A patent/AU534946B2/en not_active Expired
- 1980-08-14 CA CA000358259A patent/CA1303046C/en not_active Expired - Lifetime
- 1980-08-15 PL PL1980226259A patent/PL126290B1/en unknown
- 1980-08-15 BR BR8005179A patent/BR8005179A/en not_active IP Right Cessation
- 1980-08-15 HU HU802045A patent/HU186740B/en unknown
- 1980-08-15 DK DK355280A patent/DK151960C/en not_active IP Right Cessation
- 1980-08-18 FR FR8018043A patent/FR2463132A1/en active Granted
-
1984
- 1984-08-13 KE KE3439A patent/KE3439A/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT8024168A0 (en) | 1980-08-14 |
CH646158A5 (en) | 1984-11-15 |
DZ248A1 (en) | 2004-09-13 |
HU186740B (en) | 1985-09-30 |
PL226259A1 (en) | 1981-04-24 |
IT8024168A1 (en) | 1982-02-14 |
ATA416080A (en) | 1985-08-15 |
IE801723L (en) | 1981-02-16 |
DK151960C (en) | 1988-07-11 |
AU534946B2 (en) | 1984-02-23 |
YU204080A (en) | 1983-02-28 |
DK151960B (en) | 1988-01-18 |
DK355280A (en) | 1981-02-17 |
NL188751B (en) | 1992-04-16 |
CA1303046C (en) | 1992-06-09 |
NL188751C (en) | 1992-09-16 |
PL126290B1 (en) | 1983-07-30 |
BR8005179A (en) | 1981-03-04 |
KE3439A (en) | 1984-08-24 |
IT1194679B (en) | 1988-09-22 |
NL8004584A (en) | 1981-02-18 |
IL60837A (en) | 1984-02-29 |
AU6146280A (en) | 1981-02-19 |
FR2463132B1 (en) | 1983-11-18 |
FR2463132A1 (en) | 1981-02-20 |
AT380014B (en) | 1986-03-25 |
YU42530B (en) | 1988-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM9A | Patent lapsed through non-payment of renewal fee |