DK157133B - Fungicidt plantebeskyttelsesmiddel indeholdende et n,n-disubstitueret 3-amino-tetrahydro-2-furanonderivat - Google Patents
Fungicidt plantebeskyttelsesmiddel indeholdende et n,n-disubstitueret 3-amino-tetrahydro-2-furanonderivat Download PDFInfo
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- DK157133B DK157133B DK051278AA DK51278A DK157133B DK 157133 B DK157133 B DK 157133B DK 051278A A DK051278A A DK 051278AA DK 51278 A DK51278 A DK 51278A DK 157133 B DK157133 B DK 157133B
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- 239000012895 dilution Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 239000004495 emulsifiable concentrate Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- CHDFNIZLAAFFPX-UHFFFAOYSA-N ethoxyethane;oxolane Chemical compound CCOCC.C1CCOC1 CHDFNIZLAAFFPX-UHFFFAOYSA-N 0.000 description 1
- PQJJJMRNHATNKG-UHFFFAOYSA-N ethyl bromoacetate Chemical compound CCOC(=O)CBr PQJJJMRNHATNKG-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- 125000000350 glycoloyl group Chemical group O=C([*])C([H])([H])O[H] 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- QJPWUUJVYOJNMH-UHFFFAOYSA-N homoserine lactone Chemical compound NC1CCOC1=O QJPWUUJVYOJNMH-UHFFFAOYSA-N 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine 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
- 150000003951 lactams Chemical class 0.000 description 1
- 125000000686 lactone group Chemical group 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Chemical class 0.000 description 1
- 239000002184 metal Chemical class 0.000 description 1
- 239000011707 mineral Substances 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
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000005645 nematicide Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004533 oil dispersion Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 235000015136 pumpkin Nutrition 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000003128 rodenticide Substances 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom 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
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
-
- 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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
-
- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
-
- 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
- C07D307/68—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Plural Heterocyclic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
, DK 157133 B
Den foreliggende opfindelse angâr et fungicidt plantebeskyttel-sesmiddel, soin er ejendommeligt ved, at det som virksomt stof indeholder en forbindelse med formlen R °=Γ-° l-"’ Ά 0 1 hvori R betyder C^-C^-alkyl, C^-C^-alkoxy eller halogen, Rx be- tyder C^-C^-alkyl, C^-C^-alkoxy eller halogen, R^ betyder hydrogen, C-^-C^-alkyl, C^-C^-alkoxy eller halogen, R"^ betyder hydrogen eller methyl, idet det samlede antal c-atomer for phenylringens substi- 12 3 4 tuenter R, R , R og R ikke overstiger 8, R betyder hydrogen 5 eller methyl, og R betyder en af f0lgende grupper: en alkylthio-
2 DK 157133 B
alkyl- eller alkoxyalkylgruppe med 2 til 5 carbonatomer eller en alkoxyalkoxymethylgruppe med maksimalt 6 carbonatomer, en eventuelt med halogen substitueret 2-furanyl- eller 2-tetra- hydrofuranylgruppe, en 1,2,4-triazolylmethylgruppe, en 1,2- 6 6 pyrazolylmethylgruppe eller en gruppe -Cï^-OR , hvori R° er en 5- eller 6-leddet heterocyclisk gruppe med oxygen som hetero-atom, sammen med et eller flere egnede bærestoffer.
Ved alkyl alene eller som del af en alkylthio- eller alkoxygruppe skal ait efter antallet af de givne carbonatomer forstâs folgende grupper: Methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sek.butyl eller tert.butyl. Alkoxyalkoxygrupper er fremfor ait metboxymethoxy, ethoxy-methoxy, 1-metboxyetboxy og 1-etboxyetboxy.
β
Ved balogen skal forstâs fluor, cblor, brom eller iod. R er fortrins-vis en tetrabydrofuranyl- eller pyranylgruppe, der især er bundet i 2-stilling.
I US-patentskrift nr. 3.933.860 beskrives fungicidt virksomme 3-[N-acyl-N-arylamino]-lactoner og -lactamer, der har struktur som benzoyl-, alkanoyl- eller balogenalkanoyl- (fremfor ait halogenacetyl-)anilider. Anilider af denne art beskrives særdeles talrigt i litteraturen som herbicider, f.eks. i US-patentskrift nr. 3.403.994, 3-442.945, 3.547.620, 3.637.847, 3.598.859 og 3.946.045.
Det er derfor ikke overraskende, at de i US-patentskrift et nr. 3.933.860 nævnte forbindelser overfor planter, der skal beskyttes mod svampean-greb, til dels viser uensket fytotoksicitet i de i praksis nodvendige anvendelsesmængder.
Det har nu overraskende vist sig, at forbindelseme med formlen I har et for de praktiske behov til beskyttelse af kulturplan-ter særdeles gunstigt mikrobicidt spektrum, uden at de pâ ufordelagtig mâde ved uonskede bivirkninger pâvirker kulturplanterne. Kulturplanter er i opfindelsens forstand f.eks. kom, majs, ris, grontsager, sukkerro-er, soja, jordnodder, frugttræer og prydplanter, men fremfor ait vin, humle, agurkevækster (agurker, græskar, meloner), solanaceer, sâsom kartofler, tobak og tomater, samt banan-, kakao- og naturgummivækster.
3 DK 157133 B
Ved hjælp af de virksomme stoffer med formlen I kan de pâ disse og beslægtede nyttekulturer forekommende svampe hæmmes eller dræbes pâ planter eller plantedele (frugter, blomster, lov, stængler, knol-de, rodder), hvorved ogsâ senere udvoksede plantedele forskânes for sâdanne svampe. Stoffeme er virksomme mod fytopatogene svampe til-horende fzlgende klasser: Ascomycètes (f.eks. Erysiphaceae), Basidio-mycetes, sâsom fremfor ait rustsvampe, Fungi imperfecti (f.eks. moni-liales), men især mod klassen Phycomycetes tilhorende Oomycetes, sâsom Phytophthora, Peronospora, Pseudoperonospora, Pythium eller Plasmopara. Desuden virker forbindelseme med formlen I systemisk.
De kan endvidere anvendes som bejdsemiddel til behandling af udsæd (frugter, knolde, kom) og plantestiklinger til beskyttelse mod svamp infektioner samt mod i jordbunden forekommende fytopatogene svampe.
Som plantefungicider foretrækkes forbindelser med formlen I, hvori R
1 2 betyder methyl, R methyl, ethyl, chlor eller brom, R hydrogen, halo 3 4 5 gen eller methyl og R hydrogen eller methyl, medens R og R nar den under formel I angivne betydning. Denne forbindelsesgruppe benævnes la.
5
En vigtig undergruppe af forbindelsesgruppen la er den, hvori R er e alkylthioalkyl- eller alkoxyalkylgruppe med 2 til 5 carbonatomer, en eventuelt med halogen substitueret 2-furanyl- eller 2-tetrahydrofuran gruppe eller en 1,2,4-triazolylmethylgruppe. Denne undergruppe benævnes forbindelsesgruppe Ib.
Blandt disse forbindelser i gruppen Ib skal pâ grund af deres virknir 5 fremhæves de forbindelser, hvori R er methoxymethyl eller ethoxy-methyl. Disse benævnes forbindelsesgruppe le.
Blandt forbindelseme fra gruppen la foretrækkes pâ grund af deres 5 fordelagtige virkning især sâdanne virksomme stoffer, hvori R er en 1,2,4-triazol-l-ylmethylgruppe. Disse benævnes forbindelsesgruppe Id.
En anden vigtig undergruppe af forbindelsesgruppen la er den, hvori • 5 R er en eventuelt med halogen substitueret 2-furanyl- eller 2-tetra-hydrofuranylgruppe. Denne undergruppe benævnes forbindelsesgruppe le,
4 DK 157133 B
En anden vigtig undergruppe af forbindelsesgruppen la er den, hvori betyder en 1,2-pyrazolylmethylgruppe. Demie undergruppe benævnes forbindelsesgruppe If.
En anden vigtig undergruppe af forbindelsesgruppen la er den, bvori R er en alkoxyalkoxymethylgruppe med maksimalt 5 carbonatomer. Denne undergruppe benævnes forbindelsesgruppe Ig.
Forbindelseme med formlen I fremstilles A) ved acylering af en forbindelse med formlen
R
I 0=.-0 ‘jdr-O* R1 med en forbindelse med formlen
Hal'-CO-R5 (III) eller, sâfremt der skal fremstilles derivater, bvori R = 1,2,4-triazolyl-metbyl, 1,2-pyrazolyl eller alkylthio, B) ved monohalogenacetylering af en forbindelse med formlen II til en forbindelse med formlen R 0=|-0 ^2_I J-R4 (IV) χΙΓχ^χ -Γ CO-C H2-Hal" R1 efferfulgt af videre reaktion med enten 1,2,4-triazol, 1,2-pyrazol eller alkylmercaptaner eller et metalsalt af en af disse reaktions-deltagere, fortrinsvis et alkalimetal- eller jordalkalimetalsalt, eller, 5 sâfremt der skal fremstilles derivater, bvori R = alkoxyalkoxymethyl eller -CH2-OR6, C) ved monohalogenacetylering af en forbindelse med formlen II til en forbindelse med formlen IV efterfulgt af udskiftning af den reaktions-dygtige substituent Hal" ved hjælp af en lavalkancarboxylsyre eller
5 DK 157133 B
et alkalimetal- eller jordalkalimetalsalt deraf til dannelse af et acyloxyacetylanilid med formlen R 0=-0 R2 -R4 7 (v) r3 1 xco-ch2-o-co-r ' R1 af hvilket der derefter ved mild forsæbning med f.eks. et alkalimetal-alkoholat af en lavalkohol, sâsom methanol eller éthanol, og syrning fâs det tilsvarende hydroxyacetanilid, der aktiveres med alkalimetal, alkalimetalhydrid eller p-toluensulfonsyre og omsættes med enten alkoxyalkylhalogenid eller 2,3-dihydrofuran eller 3,4-dihydro-2H-pyran, eller D) ved omsætning af en allerede acyleret anilin med formlen
R
Rpl ,>5 V-HH-CO-R5 (VI)
R3/^ U
R1 i nærværelse af en protonacceptor, sâsom butyllithium eller natrium-hydrid, med en 2-halogen-4-butyrolacton med formlen °=j-0
Halo-l^J-R4 (VII) I formleme II, III, IV, V, VI og VII har R til R^ den under formel I angivne betydning, medens Halo, Hal' og Hal" betyder halogen, for- 7 trinsvis chlor eller brom, og R er en alkylgruppe med mindre end 7 C-at orner.
Omsætningeme kan gennemfores i nærværelse eller fravær af oplosnings-eller fortyndingsmidler, der er inaktive overfor reaktionsdeltagerae. Pâ taie kommer f.eks. folgende: Aliphatiske eller aromatiske carbon-hydrider, sâsom benzen, toluen, xylener, petrolenmsether, halogenere-de carbonhydrider, sâsom chlorbenzen, methylenchlorid, ethylenchlorid,
6 DK 157133 B
cbloroform, ether og etheragtige forbindelser, sâsom dialkyletfrer, dioxan, tetrabydrofuran, nitriler, sâsom acetonitril, IT,N--dialkylere-de amider, sâsom dimetbylformamid, dimetbylsulfoxid, ketoner, sâsom metbylethylketon, og blandinger af sâdanne oplosningsmidler med hin-anden.
Til acylering ifolge fremgangsmâdeA eller C eller til monobalogen-acetylering if0lge fremgangsmâde B kan anvendes de tilsvarende carb-oxylsyrer som sâdanne eller deres estere, men fortrinsvis dog syrean-hydriderne eller som angivet for formel III syrehalogenideme, for-trinsvis syrechloriderne eller syrebromiderne.
Eeaktionstemperaturerne ligger mellem 0 og 180°C, fortrinsvis mellem 20 og 120°C. I mange tilfælde er anvendelsen af syrebindende midler eller kondensationsmidler fordelagtig. Pâ taie som sâdanne kommer tertiære aminer, sâsom trialkylaminer (f.eks. trietbylamin), pyridin og pyridinbaser, eller uorganiske baser, sâsom oxideme og hydroxideme, hydr ogencarbonaterne og carbonateme af alkalimetaller og jordalkali-metaller, samt natriumaeetat.
Fremstillingsmâden A, bvor man gâr ud fra forbindelser med formlen II, samt acyleringstrinnet,. der forer til forbindelser med formlen IV, kan ogsâ gennemfores uden syrebindende midler, idet det i nogle tilfælde tilrâdes at gennemlede nitrogen til fordrivelse af det dannede hydro-genbalogenid. I andre tilfælde er tilsætning af dimetbylformamid som reaktionskatalysator særdeles fordelagtig.
Premstillingen af mellemprodukteme med formlen II er kendt i enkelt-heder.
Porbindelseme med formlen I har i lactongruppen 0=._0 et (-*) og i tilfælde af R^ = CH^ et yderligere (#*) asymmetricentrum og kan pâ sædyanlig mâde (f.eks. ved fraktioneret krystallisation eller kromatografisk adskillelse) opspaltes i de optiske antipoder.
7 DK 157133 B
De forskellige konfigurationer bar herved forskellig stærk mikrobicid 5 virkning. Asymmetricentre kan ogsâ optræde i nogle R -substituenter. Sâfremt der ikke gennemf0res nogen direkte syntese til isolering af rene isomere med formlen I eller den anvendte butyrolacton, fâs nor-malt produktet som en isomerblanding.
De efterfolgende eksempler illustrerer opfindelsen nærmere.
Til de særlig virksomme plantefungicider horer folgende forbindel-ser: 3-[N-(Methoxyacetyl)-N-( 2,6-dimethylphenyl) ]-amino-tetrah.ydro-2~ fur an on, 3-[N-(ethoxyacetyl)-R-(2,β-dimethylphenyl)]-amino-tetrahydro-2-furanon, 3-[N“(meth.oxyacetyl)-H-( 2,6-dimeth.yl-3-c]ilorphenyl) ]-amino-tetrahydro- 2- furanon, 3- [R-( ethoxyacetyl)-R-( 2,6-dimethyl-3-chlorp]ienyl)]-aniino-tetrahydro- 2- furanon, 3~[ N - ( me t hoxy ac ety 1 ) -N-( 2,6-dime th.ylph.enyl ) ] -amino-5-methyl-t etra-hydro-2-furanon, 2.6- dimethyl-N-(3-tetrahydrofuran-2-on)-2-tetrahydrofuroyl-anilid, 2.3.6- trimeth.yl-N-(3-tetrahydrofuran-2-on)-2-tetrahydrofuroyl-anilid, 2.6- dimethyl-4-chlor-N~(3-tetrah.ydrofuran-2-on)-2-tetrahydrofuroyl-anilid, 3- [N-( methoxyacetyl)-ïï'-( 2,3,5,6-tetrameth.ylphenyl) ]-amino-tetrahydro-2-furanon, 2,3,5, β-t etraxnethyl-ÏT-( 3-tetrahydrofuran-2-on)-2-furoyl-anilid.
s DK 157133 B
Eksempel 1.
Fremstilling af rtT 0=,-0 ^^ CCH20CH3 CH3 0 3^N-(Methoxyacetyl)-N-(2,6-dimethylphenyl) j-amino-tetraiiydro-^-furanon (forb.nr. 2).
a) Til 121 g 2,6-dimethylanilin og 106 g natriumcarbonat i 750 ml dimethylformamid sattes langsomt 165 g 2-brom-4-butyrolacton, hvor-efter der omr0rtes i 30 timer ved 100°C. Efter afkoling afdestillere-des overskydende anilin og oplosningsmidlet under vakuum, remanensen bældtes pâ vand, og der ekstraheredes tre gange med methylenchlorid. Ekstrakteme vaskedes med vand, torredes over natriumsulfat og befrie-des for oplosningsmiddel. Remanensen smeltede efter omkrystallisatio-nen fra petroleumsether/diethylether (1:10) ved 79-83°C.
b) Til 20,5 g af det ifolge a) opnâede mellemprodukt i 80 ml absolut toluen sattes under omroring 11,9 g methoxyacetylcblorid i 20 ml toluen, bvorved temperaturen steg fra 25°C til 35°C. Efter 6 timers kogning under tilbagesvaling og tilsætning af aktivt.. kul filtreredes gennem hyflo, og der inddampedes og omkrystalliseredes fra eddikesy-reetiiylester/petroleumsether; smp. 124-127°C.
Eksempel 2.
Fremstilling af CH. CH. 0=]-? ^—r xc-ch2-o-ch2-o-c2h5 CH3 0 H- (31 -Tetrahydrofuranon-21 )-N-ethoxymetlioxyacetyl-2,3,6-trimetb.yl-anilin (forb. nr. 14).
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a) 0,5 g natrium opl0stes i 10 ml absolut methanol. Til denne oplos-ning dryppedes en oplosning af 21,4 g 3-[N-(acetoxyacetyl)-U--(2,3,6-trimethylphenyl}]-amino-tetrahydro-2-furanon i 60 ml absolut methanol ved 20-25°C under omroring. Derefter fortsattes omroringen i 16 ti-mer ved stuetemperatur, og der inddampedes pâ rotationsfordamper og tilsattes 500 ml is-vand, Suspensionens pH indstilledes derefter un-der isafkeling pâ 2 (congosur) ved hjælp af 1% saltsyre, der suge-filtreredes, og filterkagen vaskedes neutral med vand. Det som dia-stereomerblanding opnâede 3- [H-(hydroxyacetyl)-ÎT- (2,3,6-trimethyl-phenyl)]-aminotetrahydrofuranon-2 viste efter omkrystallisation fra 2-propanol et smeltepunkt pâ 151-155°0.
b) Under en nitrogenatmosfære suspenderedes 1,3 g natriumhydrid (som 55%'s oliedispersion) i 50 ml absolut tetrahydrofuran. Til suspen-sionen dryppedes ved 0 til 10°C 13,8 g af det under a) opnâede mel-lemprodukt oplost i 50 ml absolut tetrahydrofuran, Efter afsluttet hydrogenudvikling (3 timer) tildryppes ved 0°C en oplosning af 4,7 g chlormethylethylether i 10 ml tetrahydrofuran, og der omrortes ved stuetemperatur i 20 timer. Derefter tilsattes forsigtigt vand, og der ekstraheredes fire gange med ether. Ekstrakterne vaskedes med vand og torredes over natriumsulfat. Efter afdampning fik man en har-piks, der til fjernelse af paraffinolie digereredes fire gange med lidt petroleumsether·, og hvis elementaranalyse gav folgende værdier:
Eundet C 64,1% H 7,7% U 4,0%
Beregnet C 64-,4% H 7,5% U 4,2%
Eksempel 3
Eremstilling af CH 0=|-?
O
OH. C-CHo-0-/ \ 3 , 2
0 U
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ïï- (3"-tetrabydrof uranon-2" )-N-2 ' -pyranyloxyacetyl-2, 6-dimetb.ylanili:n. C£Torb. nr, 43).
13,2 g af pâ lignende mâde efter fremstillingsforskriften i eksempel 2 a) fremstillet 3-[ïï-byâroxyacetyl-ïï-(2,6-dimetliyl-plienyl) ]-amino-tetrahydrofuranon-2 suspenderedes i 5° ml absolut eddikesyreethyl-ester, og der tilsattes lidt p-toluensulfonsyre. Derefter tildryp-pede man ved stuetemperatur under omrering en oplesning af 5,9 S
3,4-dih.ydro-2ïï-pyr an i 10 ml absolut eddikesyreethylester i lebet af 10 minutter. Derefter fortsattes omreringen i 1 1/4 time ved stue-temperatur, og der afkeledes til 0°C og tilsattes 15 g fast kalium-carbonat. Efter omrering i 15 minutter ved 0°0 filtreredes, der ef-tervaskedes grundigt med eddikesyreethylester, og filtratet inddam-pedes. Remanensen krystalliserede ved rivning med petroleumsether og smeltede ved 106-112°0 (diastereomerblanding).
Pâ lignende mâde fremstilledes felgende forbindelser med formlen 0=^-0 r2V-L J. J-E4 (H = CH ) .xf/ (e1 = 6-stilling) EÎ -\ \-E5 E1 I 0
Porb. R1 R2 3 4 5 6 7 8 9 10 11 12 13 R5 R4 R5 Fysiske nr._konstanter_
CH^ H H CH^ -CH20CH5 Smp. 109-110°C
2
Cïï3 H H H -CH20CH3 Smp. 124-127°C
3 C0ïïj- H H H -0ïïo0CÏÏ, 2 5 2 3 4 Cïïx ïï H CHZ -Cïïo0Coïïc 3 3 2 2 5 5 CH-, H H H -CHo0CoH,- olie 3 2 2 5 6 01 H H H -CH20CÏÏ3 7 0H5 3-CHj ïï H -CH2OCH(CH3)OC2H5 barpiks 8 0H3 H H ïï -0ïï2003ïï7(n) 9 Cïï3 3-0ïï3 ïï ïï -0ÏÏ20CÏÏ3 ïïarpiks 10 ίο ci ïï ïï ïï -cïï2oc2ïï3 11
Br 4-01 ïï ïï -CÏÏ20CÏÏ3 12 0ÏÏ3 3-CÏÏ3 ïï ïï -0ïï2002ïï5 liarpiks 13 Cïï3 4-C1 ïï ïï -CÏÏ2CÏÏ20CÏÏ3
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Forb, R1 R^ eP R^ eP Fysiske nr._konstanter 14 GH^ 3-CH^ H H -GE^OGE^OC iiarpiks 15 Cïï^ 3-CH^ H CH^ -CÏÏ2OCH3 16 CH5 H H H ~CH2OC5ïï7(î) 17 CH, H H H -CE-CH^OCH, Kp. 178-185°C/ 2 d d o 0,1 mm Hg 18 CH3 3-GÏÏ3 5-CH5 H -CH20C3H7(i)
19 CH-, 3-CH, 5-GH-, H -CHo0CH, Smp. 111-1140C
3 3 3 2 5
20 CH^ 4-C1 H H -CH20G2H^ Smp. 105-106 C
21 gh3 3-cïï5 h ch^ -gh2gh2och3 22 GH, H H H ~CHo0CHo0CH, olie 3 223 23 0¾ 3-CH, H CH, -CH.0C.ÏÏ, 3 3 3225 o
24 CH^ 4-01 H H -CH^CÏÏ^ Smp. 111-113 C
25 oh, h h h -σΗ0σΗ0οσ0Η,, Kp. ieo-i65°c/ 3 2225 0,2 mm Hg
26 0Ξ, 3-CH, 5-CH, H -0Ηο00οΗ,- Smp. 81-83°C
3 33 225 n
27 GH3 3-GÏÏ^ H H -CH2-S-0H Smp. 90-94uC
28 CH^ H H H -0Ho-S-CH, Smp. 72-73°C
5 25
29 0¾ 3-CH-j H H -CHo-0-A Smp, 88-91°C
53 2 U
30 0¾ 3-C1 H H -CHQ0CH, Kp. 190-200°C/ 2 2 0,1 mm Hg 31 GH5 4-01 H GH^ -GH2OCH3 32 Cïï3 H H H -GH2CH20C3H7(i) 33 0H, 3-C1 H H -0Ηο00οΗς Kp, 120-135°C/ 2 ^ ^ 2 0,06 mm Hg 34 oh3 3-ch^ 5-ch3 h -ch2ch2ooh3 35 Cïï5 3-01 H H -CH20C3H7(n) 36 0¾ 4-01 H 0H, -0Ho00oHc 3 3 2 2 5 0 37 CH, H H H -0Ho0CHoCH90CH, Kp. 186-195 0/ 5 d ^ ^ 0 0,1 mm Hg 38 CH3 3-01 H H ~CH20C3H7(i) 39 CH3 3-CH3 H H -CH20CH2CH20CH3 olie 40 CH, 3-CH H H -CH^H^CÆ Kp. 190-193°C/ 2 2 2 0,15 mm Hg 41 CH3 3-01 H H -CH2CH2OCH3 42 CH, 3-01 H H -GHo0Ho0CoH,- 5 2 2 2 5
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Eorb. E1 B2 E^ E^ E^ Eysiske nr._konstanter
43 CH5 H Ξ h -CÏÏ20-jAj Smp. 106-112°C
44 CH^ H H H -CÏÏ20-CÏÏ(CH3)-0C2H5 olie 45 CH^ 3-CH^ 5-0ïï5 H -CH20-Cïï(CH3)-0C2H5 olie 46 0¾ 3-0¾ H H -CH.CH^OCH, Kp. 182-185°C/ 0 0 d d 0 0,08 mm Hg
47 OH^ 3-CH^ 5-CH5 H -CÏÏ20-j^j Smp. 93-97°C
Z|_ samt folgende derivater, hvor E = -OCH^ og E = H:
Eorb. E1 B2 Ή? E^ Fysiske nr.___ konstanter 48 CH3 H H -CH20CÏÏ3 olie 49 Cl H H -CH20CH5 olie 50 Br 4-C1 H -OÏÏ2OCÏÏ5 ' Eksempel 4
Bremstilling af 0¾ CH-, 0=.-0 1 nCCH0N( CH, Il 2 XH= 5 0 3-[N-(l, 2,4-Triazol-l-yl-acetyl)-N- (2,3,6-trimethylpIienyl ) ]-amino-tetrabydro-2-furanon. (Borb. nr. 61).
a) Til 135 S 2,3,6-trimethylanilin og 106 g natriumcarbonat i 750 ml dimetbylformamid sattes ved 10°C langsomt 165 g 2-brom-4-butyrolacton, og derefter omrortes i 16 timer ved 70°C og i 24 timer ved 100°C.
Efter afkoling til +10°C tilsattes under afk0ling 1200 ml is-vand. Omroringen fortsattes i 2 timer ved 10°C, og bundfaldet frafiltrere-des og eftervaskedes med vand og petroleumsether: 3-[N-(2,3j6-tri-metbylphenyl)]-amino-tetrahydro-2-furanon, smp. 108-110°C.
b) 11 g af det ifalge a) opnâede mellemprodukt opvarmedes i 60 ml
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svaling, oplesningsmidlet afdestilleredes efter afkoling, og den brunligt farvede remanens omkrystalliseredes fra ethylacetat-petro-leumsether (kp. 40-60°C): 3“[N-chloracetyl-ïï-(2,3,6-trimethylplienyl) ]-amino-tetrahydro-2-furanon, smp. 92-94°G, c) Til 2,4 g 30%'s natriumhydrid-dispersion i 100 ml absolut dioxan sattes portionsvis under en nitrogenatmosfære 5?6 g 1,, 2,4-triazol, og der opvarmedes under tilbagesvaling indtil afsluttet hydrogenud-vikling. Efter afkbling til +10°C tildryppedes under omroring, 8 g af det ifolge b) opnâede 3-[N-cliloracetyl-ïï~(2,3,6-trimetbylplienyl)]-amino-tetrahydro-2-furanon i 100 ml dioxan, der opvarmedes i 16 ti-mer i en nitrogenatmosfære under tilbagesvaling, og efter afkoling tilsattes forsigtigt 100 ml vand. Efter udhældning i is-vand ekstra-heredes flere gange med methylenchlorid. De samlede ekstrakter vaskedes med vand, torredes over natriumsulfat, filtreredes og befriedes for op-losningsffliddel. Efter oplesning af remanensen i ethylacetat kogtes med a'ktivt kul og varmfiltreredes, og til det endnu varme filtrat sattes petroleumsether (kp. 40-60°C) indtil begyndende uklarhedsdan-nelse, og der afkoledes derefter, og slutproduktet frafiltreredes.
Yed opvarmning begyndte det ved 70°G langsomt at sonderdeles.
i Pâ lignende mâde fremstilledes folgende forbindelser med formlen
R =0.-O
X1-* —- y V ïï___. (R = 6-stilling) κ I-,
E1 | 2 '_J
0
Eorb. R R1 R2 R5 R4 Pysiske konstanter nr._.___
51 CH3 CH3 ïï ïï H Smp. 133-135°C
52 CH3 Cl H ïï Cïï3 53 0ÏÏ3 C2ÏÏ5 ïï ïï ïï 54 Cïï^ Cl ïï ïï ïï 55 0ÏÏ3 Cïï3 3-CH^ 3-0ïï3 h olie 56 Cïï5 C2ÏÏ3 ïï ïï Cïï3 57 Cïï^ CÏÏ-, ïï ïï Cïï, 3 3 3 ^8 CH_ 0H_ 3-CÏÏ-. 5-CÏÏ^ Oïï,
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Forb. R R1 R2 R^ R"4" Fysiske konstanter nr. __ 59 CH^ GH^ 3-01 H H Smp. 48°0 (sonderdeling) 60 CH^ CH^ 3-Br H CH^
61 GH^ CH^ 3-CH^, H H Sonderdeling fra yO°G
62 CH, GH, 3-C1 H CH, 3 3 3
63 CH^ CH^ 3-Br H H
64 CH^ CH^ 4-C1 H GH^ 65 CH, CH, 3-CH, H GH, 3 3 3 3
66 CH^ CH^ 4-C1 H H
67 CH ^ Br 4-C1 H H
68 CH^O CH^ H H H olie
69 CH,0 Cl H H H
3 Pâ lignende mâde fremstilledes f0lgende forbindelser med formlen R 0=.-0 ^>-N E I-- (E = OH,; E1 = 6- R3X=f \m II stilling) 'i co-k03
Ford, R"1" R2 R^ R^ Fys'iske konstanter nr._
70 GH^ H H H Smp. 143-145°C
71 CH^ 4-C1 H H
72 CH^ H H GH^ Smp. 176-180°C
73 c2h5 H H H
74 Cl H H H
75 Br 4-C1 H H
76 GH^ 3-Br H H
77 GHj 3-CH^ H CH^
78 CH5 3-CH^ H H Smp. 132-133°C
79 GH^ 3-C1 H H Smp. 65°C (s0nderdeling)
80 GH, 3-CH, 5-GH, H Smp, 207-210°C
3 3 3 samt f0lgende dérivâter, hvori R = -OCH^:
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Fort,, R1 R2 R^ R^ Fysiske konstanter nr.______________ 81 CIL H H H olie 9 82 Cl H H H olie
85 Cl 4-C1 H H
84 Br 4-Br H H
85 Br H H H
86 Cl H H CHj og forbindelserne CH-, 0=.-0 I 5 ΙΊ
Nr. 87 Cl-<^ \-lXv,- NS ! CO_ | -Br CH_ 9 OCH, 0=,-0 i3 n
Nr. 88 V-N,^\/ - V=/ \ I I olie ' [ CO_Γ 4-Br
Cl CH_ 0=.-0
I 5 JJ
Nr. 89 O -N j_. olie N> \ ^CO_{ I -Br
CH_ XK
9 ______ Pâ lignende mâde fremstilledes fblgende forbindelser med formlen: R 0=,_0 R2. _I _β4- ^ V-N-^\/._ (R = CH^; R1 = 6- r 3^^^===-^ \ H stilling) 'i co—k07
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i o rz il.
Fort). E E E·^ E Eysiske konstanter nr.__________________
90 CH3 h ïï h Smp. 142-146°C
91 CH^ H H CH^
92 02H3 H ïï H
93 Cl ïï ïï ïï
94 Cïï^ 4-C1 ïï H Smp. 137-139°C
95 Cïï^ 3-CÏÏ^ ïï ïï Smp. 112-113°C
96 Cïï3 4-C1 ïï Cïï3 97 Oïï3 5-Cïï3 5-Cïï^ ïï olie samt folgende dérivâter, livori E = -OCÏÏ^:
Fort). E^· E^ E3 E^ Eysiske konstanter nr,_ 98 Cïï3 ïï ïï H olie 99 Cl ïï ÏÏ ïï 100 Cl 4-C1 ïï ïï 101 Br 4-Br ïï ïï 102 Br ïï ïï ïï 103 Cl ïï H Cïï^
Eksempel 5
Eremstilling af Cïï, Cïï, 0=.-0 Cïïz || ^ 3 0 3“[N“-(l,2-Pyrazol-l-yl-acetyl)-ïï-(2,3>6--trimet]iylplienyl) ]-amino-tetra-hydro-2-furanon. (Eorb. nr. 111).
a) Eremstilling af 2-(l-pyrazolyl)-eddikesyre ïïnder en nitrogenatmosfære dryppedes 50 g pyrazol i 250 ml absolut
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tetrahydrofuran til 38,7 g natriTmh.yd.rid i 100 ml absolut tetrahydro-furan under omrcring og afk0ling ved 20-30°C i lobet af 1/2 time. Omreringen fortsattes i yderligere 3 timer ved 40°C, der afkeledes til ca, 5°C, og under kraftig afkoling tildryppedes ved 0 til 10°C i l0bet af 1 time 160,7 g bromeddikesyreethylester i 100 ml absolut tetrahydrofuran, Der omr0rtes ved stuetemperatur i 16 timer, deref-ter tildryppedes 150 ml éthanol, der udrertes i 1 time, og suspen-sionen inddampedes. Œil remanensen sattes en opl0sning af 74 g NaOH-tabletter i 600 ml 60%'s vandigt methanol, og der kogtes i 40 minut-ter under tilbagesvaling, Derefter afk0ledes, og oplosningen vaske-des to gange med 200 ml ether. Den vandige fase blev ved 5°C under afkeling gjort congosur (ca. pïï 2) ved hjælp af koncentreret salt-syre, og opl0sningen ekstraheredes kontinuerligt i 24 timer med me-thylenchlorid. Ekstrakten inddampedes, og remanensen omkrystallise-redes fra ether-tetrahydrofuran. Krystallerne smeltede ved 167-169°C.
b) Œil 133 g 2,356-trimethylanilin og 106 g natriumcarbonat i 750 ml dimethylformamid sattes ved 10°C langsomt 165 g 2-brom-4-butyrolacton, og derefter omrortes i 16 timer ved 70°C og i 24 timer ved 100°C. Ef-ter afkoling til +10°C tilsattes under afkoling 1200 ml is-vand, Om-reringen fortsattes ved 10°C i 2 timer, og bundfaldet frafiltreredes og vaskedes med vand og petroleumsether: 3-[ü-(2,3,6-trimethylphenyl)]-amino-tetrahydro-2-furanon, smp. 108-110°C.
c) Man kom 6,3 g 2-(l-pyrazolyl)-eddikesyre i 200 ml toluen, tilsat-te 6,2 g thionylchlorid og kogte i 1 time under tilbagesvaling. Derefter afkeledes til 20°C, og der tilsattes 11 g af det ifolge a) op-nâede mellemprodukt samt 5?8 g natriumcarbonat. Efter omroring ved stuetemperatur i 16 timer tilsattes is-vand, og der ekstraheredes med methylenchlorid. Ekstrakterne vaskedes med vand, terredes over natrium-suif at og inddampedes. Den tilbageblivende harpiks rensedes gennem en kiselgels0jle og blev derefter frosset ud fra ether ved -50°C.
Den glasagtige diastereomerblanding af 3-[N-(l,2-pyrazol-l-yl-acetyl)-N-(2,3,6-trimethylphenyl)]-amino-tetrahydro-furanon smeltede ved 50 til 60°C, Pâ lignende mâde fremstilledes folgende forbindelser med formlen
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R 0=.-0 R2 _I # I R4 (R1 = 6-stilling) ,x—r \ /==!
R^ -, COÏÏJSK
R1 1 2 \^=J
0
Forb. R R1 R2 R3 R4 nr._ 104 CH^ CH^ Ξ H ïï
105 ch3 o2h5 Ξ H H
106 CH3 Cïï5 3-CH3 5-CH5 H
107 ch^ c2h5 h h cïï^ 108 ch3 ch3 H Ξ CH^ 109 OH, GH, 3-CH_ 5-OH, CH, 0 0 0 0 0
110 CH3 CH3 3-C1 H H
ni gh3 ch3 3-ch3 H H
112 ch3 ch3 3-cïï3 h ch3
113 CH3 GH3 4-01 H H
114 ΟΗ,Ο CH, H H H
0 0
Forbindelserne med formlen I kan anvendes alene eller sammen med eg-nede bærere og/eller andre tilsætningsstoffer. Egnede bære- og til-sætningsstoffer kan være faste eller flydende og svarer til de i for-muleringsteknikken sædvanlige stoffer, f.eks. naturlige eller regene-rerede mineralske stoffer, oplosnings-, dispergerings-, befugtnings-, adhæsions-, fortykkelses-, binde- eller godningsmidler.
IndiLoldet af virksomt stof i de til behandling egnede midler ligger mellem 0,1 og $0%,
Ved applikation kan forbindelserne med formlen I foreligge i folgen-de oparbejdningsformer (Rvorved vægtprocentangivelserne i parentes angiver fordelagtige mængder af virksomt stof):
Faste oparbendningsformer:
Stovemidler og str0midler (indtil 10%'s granulater), indhyldningsgra-
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nulater, imprægneringsgranulater og homogengranulater (l til 80%). fflydende oparbejdningsformer: a) i vand dispergerbare koncentrâter af virksomt stof:
Sprojtepulvere (wettable powders) og pastaer (25-90% i kandelspak-ning, 0,01 til 15% i brugsfærdig opl0sning), émulsions- og oplos-ningskoncentrâter (10-50%, 0,01 til 15% i brugsfærdig oplosning).
b) Opl0sninger (0,1-20%),
De virksomme stoffer med formlen I if0lge opfindelsen kan eksempel-vis formuleres som folger:
Stovemiddel: ·
Til fremstilling af et a) 5%'s og b) 2%'s stovemiddel anvendes fel-gende stoffer: a) 5 dele virksomt stof 95 dele talkum b) 2 dele virksomt stof 1 del hojdispers kiselsyre 97 dele talkum.
De virksomme stoffer blandes og formales med bærestofferne og kan til anvendelse forsteves i denne form.
Granulat:
Til fremstilling af et 5%'s granulat anvendes folgende stnffer: 5 dele virksomt stof 0,25 dele epichlorbydrin 0,25 dele cetylpolyglycoletlier 5,50 dele polyethylenglycol 91 dele kaolin (kornst0rrelse 0,3 til 0,8 mm).
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Det virksomme stof blandes med epicblorbydrinet, og der oploses med 6 dele acetone, Irvorefter polyetbylenglycol og cetylpolyglycoletber tilsættes. Den sâledes opnâede oplosning sprojtes pâ kaolin, hvor-efter acetonet afdampes nnder vakumm Et sâdant mikrogranulat er særligt egnet til jordbundsapplikation.
Spr0,1tepulver :
Til fremstilling af et a) 70%'s, b) 40%'s, c) og d) 25%'s og e) 10%'s sprojtepulver anvendes folgende bestanddele: a) 70 dele virksomt stof 5 dele natriumdibutylnapbtbylsulfonat 3 dele napbtbalensulfonsyrer-pbenolsulfonsyrer-formaldehyd- kondensat (3:2:1) 10 dele kaolin 12 dele Cbampagne-kridt b) 40 dele virksomt stof 5 dele ligninsulfonsyre-natriumsalt 1 del dibutylnapbtbalensulf onsyre-natriumsalt 54 dele kiselsyre c) 25 dele virksomt stof 4.5 dele calcium-ligninsulfonat 1,9 dele Cbampagne-kridt/hydroxyetbylcelluloseblanding (1:1) 1.5 dele natrium-dibutyl-napbtbalensulfonat 19.5 dele kiselsyre 19.5 dele Cbampagne-kridt 28,1 dele kaolin d) 25 dele virksomt stof 2.5 dele isooctylpbenoxy-polyoxyetbylen-etbanol 1,7 dele Cbampagne-kridt/bydroxyethylcelluloseblanding (1:1) 8,3 dele natriumaluminiumsilicat 16.5 dele kiselgur 46 dele kaolin e) 10 dele virksomt stof 3 dele blanding af natriumsalt af mættede fedtalkobolsulfater
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5 dele naphthalensulf onsyre/formaldehyd-kondensat 82 dele kaolin.
De virksomme stoffer blandes grundigt i egnede blandere med tilsæt-ningsstofferne og formales pâ tilsvarende moller og valser. Man far sprojtepulver, der bar fremragende befugteligiLed og svævedygtiglied, og som kan fortyndes med vand til suspensioner af enhver onsket kon-centration og især kan anvendes til bladapplikation.
Bmulgerbare koncentrater:
Til fremstilling af et 25%'s emulgerbart koncentrat anvendes fclgen-de stoffer: 25 dele virksomt stof 2,5 dele epoxideret planteolie 10 dele af en alkylarylsulfonat/fedtalkobolpolyglycoletlierblan-ding 5 dele dimetbylformamid 57,5 dele xylen.
Af dette koncentrat kan man ved fortynding med vand fremstille især til bladapplikation egnede emulsioner af enhver onsket koncentration,
Forbindelserne med formlen I kan med det formai at tilpasse dem de givne omstændiglieder og til udvidelse af deres virkningsspektrnm anvendes sammen med andre egnede pesticider, f.eks, fungicider, insek-ticider, akaricider, nematicider, rodenticider, iierbicider eller plantevæksten pâvirkende stoffer samt gedningsmidler,
Eksempel 6
Virkning mod Phytophtbora infestans pâ tomater I Kurativ virkning
Tomatplanter af sorten "Roter Gnom" besprojtes efter 5 ugers dyrk-ning med en zoosporesuspension af svampen, og der inkuberes i et rum ved 18 til 20°0 under mættet luftfugtigiLed. Befugtningen afbry-des efter 24 timer. Efter afterring af planterne besprcjtes de med
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en væske, der indeholder et som sprogtepulver formuleret virksomt stof i en koncentration pâ 0,06 eller 0,02%. Efter indtorring af spregtebelægningen stilles planterne igen ind i det fugtige rum i 4 dage. Antallet og storrelse af de efter dette tidsrum forekommen-de typiske bladpletter er bedommelsesmâlestokken for virkningen af de undersogte stoffer. Eorbindelser med formlen I bevirkede ved en koncentration af virksomt stof pâ 0,06% overalt en tilbagegang af svampeangrebet til mindre end 20%. Eorbindelserne nr. 1, 2, 5, 12, 19, 24, 28, 30, 33, 51, 61, 70, 79, 80, 82, 89, 90, 95, 98 og 111 bevirkede ved denne koncentration en hæmning af svampeangrebet til 0-5%. Ved en koncentration af det virksomme stof pâ 0,02% gav bl.a. ogsâ forbindelserne nr. 1, 2, 5, 12, 19, 28, 30, 33, 70, 79, 80, 90 og 95 en hæmning af svampeangrebet til 0-5%. Fytotok-sicitet iagttoges ikke.
II Præventiv-systemisk virkning
Et som sprogtepulver formuleret virksomt stof kommes i en koncentration pâ 0,006% (beregnet pâ gordvolumenet) pâ gordoverfladen ved 3 uger garnie pottede tomatplanter af sorten "Roter Gnom". Efter 3 cLa-ges henstand besprogtes planternes bladundersider med en zoospore-suspension af Phytophthora infestans. Planterne holdes derefter i 5 dage i et sprogterum ved 18 til 20°0 og mættet luftfugtighed. Efter dette tidsrum danner der sig typiske bladpletter, hvis antal og stor-relse tgener til bedommelse af de undersogte stoffers virkning.
De med forbindelser med formlen I behandlede tomatplanter viste overalt mindre end 20% svampeangreb i sammenligning med kontrolplan-ter (= 100% angreb), Eorbindelserne nr, 1, 2, 5, 12, 19, 24, 28, 30, 33, 51, 61, 70, 78, 79, 80, 82, 88, 89, 90, 95, 98, 104, 106 og III hindrede fuldstændig eller næsten fuldstændig svampeangrebet (0-5% angreb).
Eksempel 7
Virkning mod Pythium debaryanum pâ sukkerroer.
a) Virkning efter rjordbundsapplikation
Svampen dyrkes pâ stérile havrekorn og sættes til en gord-sand-blan-ding. Den sâledes inficerede gord fyldes i urtepotter og tilsâs med
23 DK 157133 B
sukkerroefro. Straks efter sâningen hseldes et som spro^tepulver formu-leret forsogspræparat pâ jorden som en vandig suspension (20 ppm virksomt stof beregnet pâ jordvolumenet).
Potterne stilles derefter 2-3 uger i væksthus ved 20-24°C. Jorden froides derved ensartet fugtig ved let besprojtning med vand. Ved bedemmelse af forsogene bestemmes skydningen af sukkerroeplanterne samt antallet af sunde og syge planter. Efter befrandlingen med de virksomme stoffer med formlen I skod flere end 80% af sukkerroeplanterne, og de fravde et sundt udseende. Dette résultat opnâedes endnu ved en koncentration af virksomt stof i jordbunden pâ 6 ppm ved an-vendelse af forbindelserne nr. 1, 2, 4·, 5, 9, 12, 13, 15? 16, 19? 30, 55, 57, 59, 61, 79, 95, 104og ni.
b) Virkning efter bejdseapplikation
Svampen dyrkes pâ stérile fravrekorn og sættes til en jord-sand-blan- ding. Den sâledes inficerede jord fyldes i urtepotter og tilsâs med sukkerroefro, der er blevet bejdset med de som bejdsepulver formule- / rede forsogspræparater (1000 ppm virksomt stof beregnet pâ frevæg-ten). De tilsâede potter stilles i 2-3 uger i et vækstfrus ved 20-24°C. Jorden froides derved. ensartet fugtig ved let besprojtning med vand. Ved bedemmelsen bestemmes skydningen af sukkerroeplanterne samt antallet af sunde og syge planter.
Efter befrandlingen med virksomme stoffer med formlen I sk0d flere end 80% af sukkerroeplanterne, og de fravde et sundt udseende.
Claims (15)
- 24 DK 157133 B
- 1. Fungicidt plantebeskyttelsesmiddel, kendetegnet ved, at det som virksomt stof indeholder en forbindelse med formlen
- 2 E 0'|-9 '''V-L_K CD E R1 II 0 hvori R betyder C-^-C^-alkyl, C^-C^-alkoxy eller halogenf R1 betyder C-^-C^-alkyl, C-^-C^-al.koxy eller halogen, R^ betyder hydrogen, C^-C^-alkyl, C-^-C^-alkoxy eller halogen, R^ betyder hydrogen eller methyl, idet det samlede antal C-atomer for phenylringens substituenter R, 12 3 4 R , R og R ikke overstiger 8, R betyder hydrogen eller methyl, og R^ betyder en af f0lgende grupper: en alkylthioalkyl- eller alkoxyalkylgruppe med 2 til 5 carbonatomer eller en alkoxyalkoxy- methylgruppe med maksimalt 6 carbonatomer, en eventuelt med halogen substitueret 2-furanyl- eller 2-tetrahydrofuranylgruppe, en 1,2,4- triazolylmethylgruppe, en 1,2-pyrazolylmethylgruppe eller en gruppe -CH2-ORd, hvori R° er en 5- eller 6-leddet heterocyclisk gruppe med oxygen som heteroatom, sammen med et eller flere egnede bære- stoffer.
- 2. Middel if0lge krav 1, kendetegnet ved, at det indeholder et virksomt stof med formlen I, hvori R betyder methyl, R1 9 betyder methyl, ethyl, chlor eller brom, R betyder hydrogen, halogen eller methyl, R betyder hydrogen eller methyl, og R betyder hydrogen eller methyl, medens R1 2 har den angivne betydning.
- 3. Middel ifolge krav 2, kendetegnet ved, at det indeholder et virksomt stof med formlen I, hvori R^ betyder en alkyl-thioalkyl- eller alkoxyalkylgruppe med 2 til 5 carbonatomer, en eventuelt med halogen substitueret 2—furanyl— eller 2-tetrahydrofuranylgruppe eller en 1,2,4-triazolylmethylgruppe. Middel ifolge krav 3>hendetegnet ved, at det inde 2 holder et virksomt stof med formlen I, hvori Έ? betyder methoxymethyl eller ethoxvmethvl.
- 25 DK 157133 B
- 5. Middel if0lge krav 3? kendetegnet ved, at det som virksomt stof indeliolder 3-[N-(methoxyacetyl)-N-(2,6-dimethylphenyl)]-amino-1 etrahydro- 2-fur anon,
- 6. Middel if0lge krav 3, kendetegnet ved, at det som virksomt stof indeliolder 3-[N-(ethoxyacetyl)-N-(2,6-dimethylphenyl) ]-amino-tetrahydro-2-furanon,
- 7. Middel ifolge krav 3» kendetegnet ved, at det som virksomt stof indeliolder 3~[N-(methoxyacetyl)-ïï-(2,6-dimethyl-3-chlor-phenyl)]-amino-tetrahydro-2-furanon.
- 8. Middel if0lge krav 3, kendetegnet ved, at det som virksomt stof indeliolder 3-[N-(ethoxyacetyl)-K-(2,6-dimethyl-3-chlor-phenyl) ]-amino-tetraliydro-2-furanon.
- 9. Middel ifolge krav 3, kendetegnet ved, at det som virksomt stof indeliolder 3-[N-(m©thoxyacetyl)-Μ-(2,6-dimethylphenyl)]-amino-5~nLethyl-tetrahydro-2-furanon.
- 10. Middel ifolge krav 3? kendetegnet ved, at det som virksomt stof indeholder 2,6-dimethyl-N-(3-tetrahydrofuran-2-on)-2-tetraliydrofuroyl-anilid.
- 11. Middel ifolge krav 35 kendetegnet ved, at det som virksomt stof indeliolder 2,356-trimethyl-I]-(3-tetrahydrofuran-2-on)-2-tetrahydrofuroyl-anilid.
- 12. Middel ifolge krav 3? kendetegnet ved, at det som virksomt stof indeholder 2,6-dimethyl-4- chlor-N-(3-tetrahydrofuran-2-oh)-2-tetrahydrofuroyl-anilid,
- 13. Middel ifolge krav 3» kendetegnet ved, at det som virksomt stof indeholder 3-[N-(methoxyacetyl)-l-(2,3,5,6~tetramethyl-phenyl)]-amino-1 etrahydr0-2-furanon. 1 Middel ifolge krav 3» kendetegnet ved, at det som virksomt stof indeholder 2,35 5,6-tetramethyl-ir-(3-tetrah.ydrofuran-2-on)-2~furoyl-anilid.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH138177A CH633942A5 (en) | 1977-02-04 | 1977-02-04 | Microbicidal composition, process for the preparation of the active substance, and its use for controlling phytopathogenic fungi |
| CH138177 | 1977-02-04 | ||
| CH388477A CH633677A5 (en) | 1977-03-28 | 1977-03-28 | Microbicidal composition, process for the preparation of the active compound and its use for the control of phytopathogenic fungi |
| CH388477 | 1977-03-28 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK51278A DK51278A (da) | 1978-08-05 |
| DK157133B true DK157133B (da) | 1989-11-13 |
| DK157133C DK157133C (da) | 1990-04-23 |
Family
ID=25687499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK051278A DK157133C (da) | 1977-02-04 | 1978-02-03 | Fungicidt plantebeskyttelsesmiddel indeholdende et n,n-disubstitueret 3-amino-tetrahydro-2-furanonderivat |
Country Status (30)
| Country | Link |
|---|---|
| US (6) | US4147792A (da) |
| JP (1) | JPS5398956A (da) |
| AR (1) | AR219935A1 (da) |
| AT (1) | AT358329B (da) |
| AU (1) | AU524846B2 (da) |
| BG (1) | BG28556A3 (da) |
| BR (1) | BR7800721A (da) |
| CA (1) | CA1169072A (da) |
| CS (1) | CS196415B2 (da) |
| CY (1) | CY1166A (da) |
| DD (2) | DD142711A5 (da) |
| DE (1) | DE2804299A1 (da) |
| DK (1) | DK157133C (da) |
| EG (1) | EG13056A (da) |
| ES (1) | ES466592A1 (da) |
| FR (1) | FR2379255A1 (da) |
| GB (1) | GB1577702A (da) |
| HK (1) | HK53582A (da) |
| IE (1) | IE46393B1 (da) |
| IL (1) | IL53961A0 (da) |
| KE (1) | KE3249A (da) |
| LU (1) | LU78996A1 (da) |
| MY (1) | MY8400051A (da) |
| NL (1) | NL188752C (da) |
| NZ (1) | NZ186383A (da) |
| PH (1) | PH14223A (da) |
| PL (1) | PL107799B1 (da) |
| PT (1) | PT67601B (da) |
| SE (1) | SE449096B (da) |
| SG (1) | SG58882G (da) |
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| DE2724785A1 (de) * | 1977-05-27 | 1978-12-14 | Schering Ag | Furancarbonsaeureanilide, fungizide mittel enthaltend diese verbindungen sowie verfahren zu ihrer herstellung |
| EP0000539A1 (en) * | 1977-07-27 | 1979-02-07 | Ciba-Geigy Ag | Copper complexes of N-pyrazole, N-imidazole and N-triazole acetanilides, their preparation and their use as fungicides |
| FR2408601A1 (fr) * | 1977-11-01 | 1979-06-08 | Chevron Res | Procede d'acylation d'une aniline substituee par une lactone en l'absence d'accepteur d'acide |
| DE2845454A1 (de) * | 1977-11-01 | 1979-05-10 | Chevron Res | 3-(n-acyl-n-arylamino)- gamma -butyrolactone und - gamma -butyrothiolactone sowie fungizide mittel |
| CH636093A5 (de) * | 1978-01-28 | 1983-05-13 | Ciba Geigy Ag | Mikrobizide mittel. |
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| EP0016985A1 (de) * | 1979-03-16 | 1980-10-15 | F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft | Substituierte Anilide, Verfahren zu deren Herstellung, fungicide Mittel enthaltend solche Verbindungen sowie Verwendung solcher Verbindungen bzw. Mittel zur Bekämpfung von Pflanzenfungi |
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| DE2920435A1 (de) * | 1979-05-19 | 1980-12-04 | Basf Ag | 2-aminopropanalacetale, verfahren zu ihrer herstellung, ihre anwendung als fungizide und verfahren zur herstellung von substituierten anilinen |
| ES8104796A1 (es) * | 1979-07-25 | 1981-05-16 | Hoechst Ag | Procedimiento para la preparacion de anilidas de acido tio- glicolico, fungicidas |
| DE3030026A1 (de) * | 1980-08-08 | 1981-03-26 | Sandoz-Patent-GmbH, 79539 Lörrach | Fungizide |
| DE3042195A1 (de) * | 1980-11-08 | 1982-06-24 | Basf Ag, 6700 Ludwigshafen | 2-(n-aryl-,n-1,2,3-thiadiazolylcarbonyl)-aminobutyrolactone, verfahren zu ihrer herstellung, diese enthaltende fungizide mittel und ihre anwendung als fungizide |
| FR2499077A1 (fr) * | 1981-02-05 | 1982-08-06 | Ciba Geigy Ag | Derives de l'aniline, leur preparation et produits microbicides en contenant |
| FR2499078A1 (fr) * | 1981-02-05 | 1982-08-06 | Ciba Geigy Ag | Derives de l'aniline, procedes pour leur preparation et produits microbicides en contenant |
| DE3120804A1 (de) * | 1981-05-25 | 1982-12-16 | Basf Ag, 6700 Ludwigshafen | N-substituierte 2-methylnaphthylamide, verfahren zu ihrer herstellung und ihre verwendung zur bekaempfung von pilzen |
| US4599351A (en) * | 1981-08-14 | 1986-07-08 | Chevron Research Company | Fungicidal 3-(N-acyl-N-arylamino) lactones |
| DE3133418A1 (de) * | 1981-08-24 | 1983-03-10 | Basf Ag, 6700 Ludwigshafen | Thiazolyl- und isothiazolylcarbonsaeureanilide, verfahren zu ihrer herstellung und ihre verwendung als fungizide |
| EP0310732B1 (de) * | 1987-10-09 | 1992-03-11 | Ciba-Geigy Ag | Verfahren zur Herstellung von N-Acyl-N-alkyl-2,6-dialkyl-3-chloranilinen |
| US4721797A (en) * | 1986-09-02 | 1988-01-26 | Ciba-Geigy Corporation | Process for the preparation of N-acyl-N-alkyl-2,6-dialkyl-3-chloroanilines |
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-
1978
- 1978-01-30 US US05/873,585 patent/US4147792A/en not_active Expired - Lifetime
- 1978-01-31 PT PT67601A patent/PT67601B/pt unknown
- 1978-01-31 CS CS78649A patent/CS196415B2/cs unknown
- 1978-02-01 DE DE19782804299 patent/DE2804299A1/de active Granted
- 1978-02-02 CA CA000296056A patent/CA1169072A/en not_active Expired
- 1978-02-02 NL NLAANVRAGE7801231,A patent/NL188752C/xx not_active IP Right Cessation
- 1978-02-02 DD DD212048A patent/DD142711A5/de not_active IP Right Cessation
- 1978-02-02 FR FR7802901A patent/FR2379255A1/fr active Granted
- 1978-02-02 BG BG038560A patent/BG28556A3/xx unknown
- 1978-02-02 DD DD78203524A patent/DD137656A5/xx not_active IP Right Cessation
- 1978-02-02 PL PL1978204405A patent/PL107799B1/pl unknown
- 1978-02-02 AR AR270939A patent/AR219935A1/es active
- 1978-02-02 IL IL53961A patent/IL53961A0/xx not_active IP Right Cessation
- 1978-02-03 CY CY1166A patent/CY1166A/xx unknown
- 1978-02-03 BR BR7800721A patent/BR7800721A/pt unknown
- 1978-02-03 AU AU32991/78A patent/AU524846B2/en not_active Expired
- 1978-02-03 GB GB4473/78A patent/GB1577702A/en not_active Expired
- 1978-02-03 SE SE7801292A patent/SE449096B/sv not_active IP Right Cessation
- 1978-02-03 NZ NZ186383A patent/NZ186383A/xx unknown
- 1978-02-03 AT AT75978A patent/AT358329B/de not_active IP Right Cessation
- 1978-02-03 PH PH20744A patent/PH14223A/en unknown
- 1978-02-03 IE IE233/78A patent/IE46393B1/en not_active IP Right Cessation
- 1978-02-03 DK DK051278A patent/DK157133C/da not_active IP Right Cessation
- 1978-02-03 LU LU78996A patent/LU78996A1/de unknown
- 1978-02-03 ES ES466592A patent/ES466592A1/es not_active Expired
- 1978-02-04 EG EG72/78A patent/EG13056A/xx active
- 1978-02-04 JP JP1187478A patent/JPS5398956A/ja active Granted
-
1980
- 1980-08-22 US US06/180,265 patent/US4316909A/en not_active Expired - Lifetime
- 1980-08-22 US US06/180,267 patent/US4564629A/en not_active Expired - Lifetime
- 1980-08-22 US US06/180,266 patent/US4296118A/en not_active Expired - Lifetime
-
1982
- 1982-03-02 US US06/353,796 patent/US4443618A/en not_active Expired - Lifetime
- 1982-11-17 SG SG588/82A patent/SG58882G/en unknown
- 1982-11-27 KE KE3249A patent/KE3249A/xx unknown
- 1982-12-16 HK HK535/82A patent/HK53582A/xx unknown
-
1984
- 1984-12-31 MY MY198451A patent/MY8400051A/xx unknown
-
1985
- 1985-05-06 US US06/731,350 patent/US4810724A/en not_active Expired - Lifetime
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |