DK162091B - Nitrogenholdige heterocycliske forbindelser, fremgangsmaade til fremstilling deraf, insekticid indeholdende disse samt anvendelse af forbindelserne som insekticidt middel - Google Patents
Nitrogenholdige heterocycliske forbindelser, fremgangsmaade til fremstilling deraf, insekticid indeholdende disse samt anvendelse af forbindelserne som insekticidt middel Download PDFInfo
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- DK162091B DK162091B DK205584A DK205584A DK162091B DK 162091 B DK162091 B DK 162091B DK 205584 A DK205584 A DK 205584A DK 205584 A DK205584 A DK 205584A DK 162091 B DK162091 B DK 162091B
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- oxygen
- atom
- compound
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- same
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- UFEJKYYYVXYMMS-UHFFFAOYSA-N methylcarbamic acid Chemical compound CNC(O)=O UFEJKYYYVXYMMS-UHFFFAOYSA-N 0.000 description 1
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- 229910052700 potassium Inorganic materials 0.000 description 1
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- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
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- 230000009257 reactivity Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229960004029 silicic acid Drugs 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 241000894007 species Species 0.000 description 1
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- 239000007858 starting material Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- CBDKQYKMCICBOF-UHFFFAOYSA-N thiazoline Chemical compound C1CN=CS1 CBDKQYKMCICBOF-UHFFFAOYSA-N 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 239000012485 toluene extract Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- NFACJZMKEDPNKN-UHFFFAOYSA-N trichlorfon Chemical compound COP(=O)(OC)C(O)C(Cl)(Cl)Cl NFACJZMKEDPNKN-UHFFFAOYSA-N 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/64—One oxygen atom attached in position 2 or 6
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/257—Ethers having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings
- C07C43/29—Ethers having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings containing halogen
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/257—Ethers having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings
- C07C43/295—Ethers having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings containing hydroxy or O-metal groups
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- C—CHEMISTRY; METALLURGY
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
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- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
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- C07D277/16—Sulfur atoms
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- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
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- C07D277/58—Nitro radicals
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Description
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Den foreliggende opfindelse angår nitrogenholdige heterocycliske forbindelser, en fremgangsmåde til fremstilling deraf, et insekticid indeholdende disse samt anvendelse af disse forbindelser som insekticidt middel.
5 De nitrogenholdige heterocycliske forbindelser ifølge opfindelsen har den almene formel I
Rg 2^ vrVy' <*,'y-Y-CHHCHjfj-CH-x-Rj 1 R5 <R4>m hvor 10 R]^ betegner en af nedenstående grupper j^-·’ p1-·’ i^*·· 'p-*·· <Vi , R10 > R12 ' R14 \^N-v/Ri5 •'sA^he Χ3Γ -»17 eller R16 - R21 R20 (hvor Ry, Rg, Rg, R1Q> R^, R^, R^, R^, R15> Rlfi og R1? har samme eller forskellig betydning og hver betegner et hydrogenatom, et 15 halogenatom, alkyl, ^-alkoxy, ^-alkylthio, trifluormethyl eller nitro, R^g, R^, R£q og R£^ har samme eller forskellig betydning og hver betegner et hydrogenatom eller en methylgruppe, k betegner 0 eller 1, og 1 betegner et tal 0-3); R2 og R3 har samme eller forskellig betydning og hver betegner et 20 hydrogenatom, et halogenatom eller en methylgruppe; R4 betegner et halogenatom eller en methylgruppe; R5 og Rg har samme eller forskellig betydning og betegner hver et hydrogenatom, et halogenatom, alkyl, ^-alkoxy, ^-halo- genalkyl eller ^-halogenalkoxy;
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2 X, Y og Z har samme eller forskellig betydning og betegner hver for sig et oxygenatom, et svovlatom eller en methylengruppe, idet dog mindst to af X, Y og Z betegner et oxygenatom; m betegner et tal 0-4; og 5 n betegner et tal 0 eller 1.
Det ovenfor anvendte udtryk "halogen" betegner chlor, brom, iod og fluor.
Blandt de nitrogeriholdige heterocycliske forbindelser foretrækkes sådanne med formlen I, hvor 10 betegner en af nedenstående grupper Ίώ-*17 Λ f'\ ' \ ' ler 'R8 )-£ R12 (hvor R7, Rg, R^, R^2 og R^y hver for sig betegner et hydrogeneller fluoratom, og 1 har den ovenfor anførte betydning); 15 R2 og Rg har samme eller forskellig betydning og hver betegner et hydrogen- eller halogenatom eller en methylgruppe; R5 og Rg har samme eller forskellig betydning og betegner hver for sig et hydrogen- eller fluoratom; X betegner et oxygen- eller svovlatom; 20 Y betegner et oxygenatom; Z betegner et oxygenatom eller en methylengruppe; idet dog mindst to af X, Y og Z betegner et oxygenatom; og m og n hver betegner 0.
Blandt mange forskellige mellemprodukter, der kan anvendes ved frem-25 stilling af de nitrogenholdige heterocycliske forbindelser I, er sådanne, som har den nedenstående almene formel, særlig vigtige:
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3
Fv R” R" ^o^-o-chJb-rj *4 hvor Rj^ betegner et halogenatom, en hydroxygruppe, en tosyloxygruppe eller en mesyloxygruppe, R-J og R3 har samme eller forskellig betyd-5 ning og betegner hver for sig et hydrogenatom eller en methylgruppe, og R4 betegner et hydrogen- eller et fluoratom,
Organophosphor-insekticider, organo-chlorerede insekticider, carba-matinsekticider, etc. har bidraget meget til forebyggelse og udryddelse af skadelige insekter. Nogle af disse insekticider har imid-10 lertid høj toxicitet. Deres eftervirkning forårsager endvidere undertiden uønsket abnormalitet i insekternes økosystem. Endvidere er der hos stuefluer, "planthoppers", cikader, risborelarver, etc. iagttaget resistens mod insekticiderne.
For at løse de ovennævnte problemer er der udført intense undersø-15 gelser for at frembringe et udmærket insekticid, som ved lav koncentration viser en høj forebyggende virkning, der kan tillægges en juvenilhormonagtig virkning; som et resultat heraf har det nu vist sig, at de nitrogenholdige heterocycliske forbindelser med den almene formel I ifølge opfindelsen kan anvendes til bekæmpelse af insekter i 20 landbrugsområder, skovområder, kornmagasiner, i oplagrede produkter, i sanitære installationer, etc.
Som insekticid med juvenilhormonagtig virkning kendes "methopren" (USA-patent nr. 3.904.662 og 3.912.815). Denne kendte forbindelses insekticide virkning er stadig ikke helt tilfredsstillende.
25 De nitrogenholdige heterocycliske forbindelser med den almene formel I ifølge opfindelsen viser en juvenilhormonagtig bekæmpende virkning og kan derfor anvendes i lav koncentration til bekæmpelse af mange forskellige insekter hørende til Coleoptera, Lepidoptera, Hemiptera, Dictyoptera, Diptera, etc., samt spindemider (Teranychidae) hørende
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4 til gruppen Acarina inden for landbrugsområder, skovområder, kornmagasiner, i oplagrede produkter, sanitære installationer, etc.
Fremgangsmåden ifølge opfindelsen til fremstilling af forbindelserne med den almene formel I er ejendommelig ved det i krav 6's kende-5 tegnende del angivne.
De nitrogeriholdige heterocycliske forbindelser I kan altså fremstilles på forskellig måde, og typiske eksempler herpå anføres nedenfor:
Fremgangsmåde A
En forbindelse med den almene formel II
10 /Z\__ R3 R2 \ t / X fcH2+n_CH_Al E5 (Vm
hvor R4, R5, Rg, Y, Z, m og n har den ovenfor anførte betydning, R2 og R3 har samme eller forskellig betydning og hver betegner et hydrogenatom eller en methylgruppe, og Aj^ betegner et halogenatom, en 15 mesyloxygruppe eller en tosyloxygruppe, omsættes med en forbindelse med den almene formel III
H-X-R^ III
hvor Rjl og X har den ovenfor anførte betydning, eller et alkalimetalsalt deraf til dannelse af en nitrogenholdig heterocyclisk forbindel-20 se I.
Denne omsætning foretages normalt i nærværelse eller fravær af et inert opløsningsmiddel (fx dimethylformamid, dimethylsulfoxid, te-trahydrofuran, dimethoxyethan eller toluen) i nærværelse af et syre-bindende middel, fx et alkalimetal, et alkalimetalhydrid, et alkali-25 metalamid, et alkalimetalhydroxid, et alkalimetalcarbonat, alkyl-
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5 lithium eller en organisk base ved en temperatur på mellem -70°C og reaktionsblandingens kogetemperatur, fortrinsvis ved mellem stuetemperatur og 110°C, i et tidsrum på 0,5-24 timer. For at fremskynde reaktionen kan der anvendes en faseoverførselskatalysator, fx ben-5 zyltriethylammoniumchlorid eller tetra-n-butylammoniumbromid. I dette tilfælde kan vand anvendes som opløsningsmiddel.
Molforholdet mellem forbindelsen II og forbindelsen III ligger normalt på 1:1-10, fortrinsvis på 1:1,1-1,5.
Fremgangsmåde B
10 En forbindelse med den almene formel IV
R6 /Z R3 R2 R5 *R4*m
hvor R2, R3, R4, R5, R5, Y, Z, m og n har den ovenfor anførte betydning, og X' betegner et oxygen- eller svovlatom, eller et alkali-15 metalsalt deraf omsættes med en forbindelse med den almene formel V
A2-Ri V
hvor Rj_ har den ovenfor anførte betydning, og A2 betegner et halogenatom, til dannelse af en nitrogenholdig heterocyclisk forbindelse I.
20 Reaktionen foretages normalt i fraværelse eller nærværelse af et inert opløsningsmiddel (fx dimethylformamid, dimethylsulfoxid, tetra-hydrofuran, dimethoxyethan eller toluen) i nærværelse af et syrebindende middel, fx et alkalimetal, et alkalimetalhydrid, et alkalimetal-amid, et alkalimetalhydroxid, et alkalimetalcarbonat, alkyllithium 25 eller en organisk base, ved en temperatur på mellem -30°C og reaktionsblandingens kogetemperatur, fortrinsvis mellem stuetemperatur og
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6 110°C, i et tidsrum på 0,5-24 timer. For at fremskynde reaktionen kan der anvendes en faseovergangskatalysator såsom benzyltriethylammo-niumchlorid eller tetra-n-butylammoniumbromid. I dette tilfælde kan vand anvendes som opløsningsmiddel.
5 Molforholdet mellem forbindelsen IV og forbindelsen V ligger normalt på 1:0,5-10, fortrinsvis på 1:0,8-5,0.
Fremgangsmåde C
De nitrogeriholdige heterocycliske forbindelser I, hvor R2 eller R3 betegner et halogenatom, kan fremstilles ved at omsætte de tilsvaren-10 de ikke-halogenerede forbindelser med et halogeneringsmiddel. Fx kan den nitrogeriholdige heterocycliske forbindelse I, hvor R^ betegner ,Ν-λ .
R2 betegner chlor, R3, R5 og Rg hver betegner hydrogen, X betegner svovl, Y og Z hver betegner oxygen, og m og n hver betegner 0, fremstilles ved at omsætte en ikke-halogeneret forbindelse med formlen med et N-halogensuccinimid med formlen 20 o Λ I JT-C1 Ύ o
Denne reaktion kan udføres i et inert opløsningsmiddel (fx carbon-tetrachlorid, 1,2-dichlorethan eller methylenchlorid). Om ønsket kan der i reaktionssystemet forekomme en radikalinitiator, fx α,α-azo-25 bisisobutylnitril eller benzoylperoxid, for at få reaktionen til at forløbe glat. Der er ingen særlig begrænsning med hensyn til reak-
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7 tionstemperaturen, men den kan generelt udføres ved en temperatur på mellem 0°C og reaktionsblandingens kogetemperatur. Reaktionen er normalt færdig i løbet af et tidsrum på 1-50 timer. Halogeneringsmid-let såsom N-halogensuccinimid kan fortrinsvis anvendes i en mængde, 5 der er ækvimolær eller derover i forhold til den ikke-halogenerede forbindelse.
Ved de ovennævnte fremgangsmåder kan isolering af den dannede ni-trogenholdige heterocycliske forbindelse I fra reaktionsblandingen og rensningen af den isolerede nitrogenholdige heterocycliske forbindel-10 se I foretages på i og for sig kendt måde. Fx kan rensningen foretages ved omkrystallisation, chromatografi, etc.
Den nitrogenholdige heterocycliske forbindelse I har optiske isomerer med hensyn til grupperne R2 og R3, hvilke optiske isomerer alle ligger inden for opfindelsens omfang. Desuden har de nitrogenholdige 15 heterocycliske forbindelser I et ensomt elektronpar på nitrogenatomet, så at nogle af dem kan danne salte med syrer, og disse salte ligger også inden for opfindelsens omfang. Eksempler på syrer er uorganiske syrer (fx saltsyre, brombrintesyre og svovlsyre) og organiske syrer (fx trifluoreddikesyre og trichloreddikesyre), etc.
20 Et af udgangsmaterialerne, forbindelsen II, kan fremstilles på i og for sig kendt måde, af hvilke typiske eksempler er vist i nedenstående skema: Når Y er oxygen eller svovl:
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8
Fremgangsmåde (1) VV- —......Base_, 13 /-o-w, R5 (R4>m Br-CH-fCH -^CH 1 \o-Wl CVX) (VII) R6 /Z R3 }C"\ a Ν)£~λ I CH_MgBr \J_/ \YV-Y'-CH-fCH 2-hr-CHO -i-> \sz/ \iz/ eller LiAlH^ R5 <Vm (VIII) R6 /Z R3 R2
vVv^ \V/~Y' "CH"^CH2^H_CH"0H
R- (R„) 5 4 m (IX) PBr3 - (II: Aj_ = Br eller tosyloxy) el''.: H3C-^)-S02Cl/ (^J) (hvor R2, R3, R4, R5, Rg. Z, m og n har den ovenfor anførte betyd-5 ning, Y' betegner et oxygen- eller svovlatom, og betegner en alkylgruppe).
Fremgangsmåde (2) R6 /ZV^ R2
Vt/ \V/"Y'H + A4-CH~tCH2^rCH-A4
R<- (RJ
5 4'm (VI) (X) .base -> (II: A^ = halogen)
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9 (hvor R.2, R3, R4, R5, Rg, Y', Z, m og n har den ovenfor anførte betydning, og A4 betegner et halogenatom).
Fremgangsmåde (3) E6^/ + CH-Ah '\s R5 (R4>m (VI) (XX) V\/X\. f*
\ / \ y-Y,”CH2-CH-OH
R5 (Vm (XII) 5 PBr_ -———=--> (II: RI = hydrogen; = Br .—, ^Ns. eller tosyloxy; n = 0)
eller H3C-^)-S02Cl/ ^jJ
(hvor R2, R4, R5, Rg, Y' , Z og m har den ovenfor anførte betydning).
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10
Fremgangsmåde (4)
R, ,1 R, Z RI O
V—λ / V—v base Kr—y / V—y | IJ
\ / \V/“Y'H-> \ / \ /-γ' -CH_^CH2^rC"0_W2
T T i* S T T
R5 <Vm Br-CH-fCH2-^-C-0-«2 Ej . (R4)m (VI) (XIII) (XIV) R/· / Z Ri
LiAlH4 V-\/ VA 1 ---* \ / y, y-Y'-CH—(ch2^-ch2-oh
rc (RJ
(XV) PBr3 ---» (II: RI = hydrogen; = Br r-\ xrNv. eller tosyloxy)
elle· H3C^_>S02C1/ |N
(hvor R3, R4, R5, Rg, Y', Z, m og n har den ovenfor anførte betyd-5 ning, og V2 betegner en alkylgruppe).
Når Y betegner methylen, og n betegner 0:
Rg /Z R3 y—y / \jr—v j I base <V^J>-CHO + (W 30)-2-^-01-0---*
I O O
R5 (R4}m (XVI) (XVII)
R6^g/Z^CHiH-C-W4 LiA1H.W
R5 (E4>m (XVIII)
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11 R6 /Z R3 R2 ^^)-ch2-(!:h-([h~oh R5 <Vm (XIX) PBr3 "" ' -> (II: Y = methylen; a. = Br /—\ eliPT tosyloxy; n = 0) 1
eller ^C-^jN-SC^Cl/ Γ JJ
(hvor R^, R3, R4, R5, Rg, Z og m har den ovenfor anførte betydning, W3 betegner en alkylgruppe, og W4 betegner en methyl- eller en alk-5 oxygruppe).
Forbindelsen VI er kendt eller kan fremstilles på i og for sig kendt måde (jfr. Angew. Chem. 52, 1938, s. 915; publiceret japansk patentansøgning (ikke-behandlet) nr. 62033/1980). Et typisk eksempel på fremstilling af forbindelsen VI, fx 4-(3,5-difluorphenoxy)phenol, er 10 illustreret nedenfor: F\ V—y /—y kobber eller en forbin- (V + delse derined p/--» ^^>-o-<Q>-och3 ———» £>o-<£/oh (hvor M betegner et alkalimetalatom).
Den forbindelse IV, hvor X betegner et oxygenatom, kan fremstilles på 15 lignende måde som forbindelsen II. Den forbindelse IV, hvor X betegner et svovlatom, kan fremstilles på følgende måde:
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12 R6 /Z R3 R2 ^"VY-CH-tCH2^-CH-A1 R5 <Vm (II)
M-S-H
-*· (IV: X - svovl) r f (hvor R2, R3, R4, R5, Rg, Y, Z, Aj_, m og n har den ovenfor anførte betydning, og M betegner et alkalimetalatom).
Et af de optisk aktive mellemprodukter, nemlig (S)-(+)-l-methyl-2-(4-phenoxy-phenoxy)ethanol, kan fremstilles på følgende måde: 5 CH- ^0N CH, ys.
I 3 0 I 3 O
C„HrO-C-C.. . CÆO-C-C..
2 5 II i -OH p-toluen- * 2 5 II j 'tr 0
O H sulfonsyre O H
((S)-L-ethyl lactat) T3 t^l H c/3-S02C1/ 0 L1AIH4 HOCH—^ ^ W ^ .
H
h3c^J>-so2-o-ch2-^o Λ0 j Wb-^-»
H
p-to luen-H
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13 CH3 00^4-..
H
På lignende måde fremstilles (R)-(-)-l-methyl-2-(4-phenoxyphenoxy)-ethanol ud fra (R)-D-ethyllactat.
5 (R)-(-)- eller (S)-(+)-isomeren af l-methyl-2-(4-phenoxyphenoxy)- ethanol kan omdannes til sin tilsvarende anden stereoisomer ved nedens tående trin: CH_ R-S02Cl/organi-k OQ-r-L. —-'
H
(R)-(-)-isomer
O
/r~\ /—\ fH3 M'O-C-CH-
\=J W 2 l>OSO,R
H Z
CH- r—v λ—λ I J O hydrolyse -- H 3 CH3
H
(S)-(+)-isomer 10 hvor R betegner en p-tolylgruppe eller en me thyl gruppe, og M' betegner et natrium- eller kaliumatora.
Praktiske og særlig foretrukne udførelsesformer for fremstillingen af forbindelsen I illustreres i nedenstående eksempler: 14
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EKSEMPEL 1
Fremstilling af forbindelse nr. 1 (fremgangsmåde A): 5 Til en suspension af 132 mg (3,3 millimol, 60%'s i olie) natrium-hydrid i 5 ml dimethylformamid dryppedes en opløsning af 314 mg (3,3 millimol) 2-hydroxypyridin i 3 ml dimethylformamid under omrøring, og omrøringen fortsattes ved stuetemperatur, indtil hydrogengasudviklingen ophørte. Til den resulterende opløsning dryppedes en opløsning 10 af 879 mg (3,0 millimol) 2-(4-phenoxyphenoxy)ethylbromid i 3 ml dimethylformamid, og blandingen omrørtes ved stuetemperatur natten over. Reaktionsblandingen blev hældt ud i 70 ml vand og ekstraheret 3 gange med 25 ml toluen. Toluenfasen blev tørret over vandfrit magnesiumsulfat og opløsningsmidlet fjernet ved afdampning. Remanensen 15 blev renset ved søjlechromatografi på silicagel, hvorved man fik 264 mg 2-[2-(4-phenoxyphenoxy)ethoxy]pyridin i form af hvide krystaller, smeltepunkt 94,2°C.
EKSEMPEL 2
Fremstilling af forbindelse nr. 3 (fremgangsmåde B): 20 Til en suspension af 200 mg (5,0 millimol, 60%'s i olie) natrium- hydrid i 5 ml dimethylformamid dryppedes en opløsning af 1,22 g (5,0 millimol) l-methyl-2-(4-phenoxyphenoxy)ethanol i 3 ml dimethylformamid under omrøring, og blandingen blev holdt ved en indre temperatur på 50-60°C, indtil hydrogengasudviklingen ophørte. 684 mg (6,0 milli-25 mol) 2-chlorpyridin dryppedes dertil efterfulgt af omrøring ved 100-110°C i 5 timer. Reaktionsblandingen blev afkølet til stuetemperatur, hældt ud i 100 ml vand og ekstraheret 3 gange med 40 ml toluen.
Toluenfasen blev tørret over vandfrit magnesiumsulfat og opløsningsmidlet fjernet ved afdampning. Remanensen blev renset ved søjle-30 chromatografi på silicagel, hvorved man fik 1,27 g 2-[l-methyl-2-(4-
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15 20 5 phenoxyphenoxy)ethoxy]pyridin i form af en lysegul væske, n ’p -1,5823. Efter henstand i få dage størknede væsken til krystaller, smeltepunkt 49,7eC.
EKSEMPEL 3 5 Fremstilling af forbindelse nr. 12 (fremgangsmåde B):
Til en suspension af 20 mg (0,5 millimol,' 60%'s i olie) natriumhydrid i 1 ml dimethylformamid dryppedes en opløsning af 140 mg (0,5 millimol) l-methyl-2-[4-(3,5-difluorphenoxy)phenoxy]ethanol i 1 ml di-methylformamid under omrøring, og omrøringen fortsattes ved stuetem-10 peratur, indtil hydrogengasudviklingen ophørte. 97 mg (1,0 millimol) 2-fluorpyridin tildryppedes, og blandingen omrørtes ved stuetemperatur natten over. Reaktionsblandingen blev hældt ud i 40 ml vand og ekstraheret 3 gange med 20 ml toluen. Toluenfasen blev tørret over vandfrit magnesiumsulfat og opløsningsmidlet fjernet ved afdampning.
15 Remanensen blev renset ved søjlechromatografi på silicagel, hvorved man fik 129 mg 2-{l-methyl-2-[4-(3,5-difluorphenoxy)phenoxy]ethoxy)- 19 0 pyridin i form af en lysegul væske, n ’jj * 1,5602.
EKSEMPEL 4
Fremstilling af forbindelse nr. 49 (fremgangsmåde A): 20 Til en suspension af 160 mg (4,0 millimol; 60%'s i olie) natriumhydrid i 5 ml dimethylformamid dryppedes en opløsning af 476 mg (4,0 millimol) 2-mercapto-2-thiazolin i 3 ml dimethylformamid under omrøring, og omrøringen fortsattes, indtil hydrogengasudviklingen ophørte. Til den resulterende opløsning dryppedes en opløsning af 25 1,17 g (4,0 millimol) 2-(4-phenoxyphenoxy)ethylbromid i 3 ml di methylformamid, og blandingen omrørtes natten over ved stuetemperatur. Reaktionsblandingen blev hældt ud i 80 ml vand og ekstraheret 3 gange med 40 ml toluen. Toluenfasen blev tørret over vandfrit magnesiumsulfat og opløsningsmidlet fjernet ved afdampning. Remanensen 30 blev renset ved søjlechromatografi på silicagel, hvorved man fik
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16 887 mg 2-[2-(4-phenoxyphenoxy)ethylthio]-2-thiazolin i form af lysegule krystaller, smeltepunkt 88,6°C.
EKSEMPEL 5
Fremstilling af forbindelse nr. 20 (fremgangsmåde B): 5 1) (S)-L-Ethyl lactat-tetrahydropyranylether 4,0 g (34 millimol) L-ethyllactat og 3,7 g (44 millimol) dihydropyran opløstes i 20 ml tør diethylether. Til den resulterende blanding dryppedes en opløsning af 50 mg p-toluensulfonsyre i 2 ml tør ether ved en indre temperatur på 0°C, og blandingen omrørtes ved samme tem-10 per atur i 2 timer og ved 20° G i 12 timer. Reaktionsblandingen blev hældt ud i en isafkølet 5%'s vandig kaliumcarbonatopløsning og rystet. Etherfasen blev fraskilt, vasket med vandig natriumchloridopløs-ning og tørret over vandfrit magnesiumsulfat. Ved fjernelse af ether fik man 6,6 g næsten ren (S)-L-ethyl lactat-tetrahydropyranylether i 15 form af en lysegul væske, n22’p = 1,4395; [a]2p = -54,3° (c — 0,56 i CHC13).
2) (S)-2-(Tetrahydropyranyloxy)-1-propanol
Til en opløsning af 1,5 g (40 millimol) lithiumaluminiumhydrid i 50 ml tør ether dryppedes 6,6 g (33 millimol) af den i 1) vundne (S)-20 L-ethyl lactat-tetrahydropyranylether ved en indre temperatur på 0-10°C, og blandingen omrørtes ved samme temperatur i 1 time og ved 20°C i 1 time. Reaktionsblandingen blev derefter hældt ud i en isafkølet vandig ammoniumchloridopløsning og ekstraheret med ether.
Etherfasen blev vasket med vandig natriumchloridopløsning og tørret 25 over vandfrit magnesiumsulfat. Fjernelse af ether gav 4,2 g (S)-2- 22 5 (tetrahydropyranyloxy)propanol i form af en lysegul væske, n ’p = 1,4552; [a]2p = -5,3° (c = 0,51 i CHGI3).
IR-Spektrum (film): v = 3400, 2930, 1080 og 1020 (kraftig) cm ihbx -1
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17 3) (S)-2-(Tetrahydropyranyloxy)-1-propyl p-toluensulfonat 5,5 g (30 millimol) p-toluensulfonylchlorid sattes til en opløsning af 4,2 g (28 millimol) af det som beskrevet under 2) vundne (S)-2-(tetrahydropyranyloxy)propanol i 7 g pyridin ved en temperatur på 5 0-5°C, og den resulterende blanding fik lov at henstå ved 0eC i 12 timer. Reaktionsblandingen blev hældt ud i isvand og ekstraheret med ethylacetat. Ethylacetatfasen blev vasket med vand 5 gange og derefter med en vandig natriumchloridopløsning og tørret over vandfrit magnesiumsulfat. Fjernelse af opløsningsmidlet gav 6,8 g (S)-2-(te-10 trahydropyranyloxy)-1-propyl p-toluensulfonat i form af en lysegul væske.
1 H
NMR-Spektrum (CDC13, TMS): δ (ppm) - 1,13 (3H, m), 1,3-1,8 (6H), 2.39 (3H, s), 3,2-4,2 (5H), 4,52 (IH, bred m), 7,0-8,0 (4H).
4) (S)-1-Methyl-2-(4-phenoxyphenoxy)ethanol 15 Til en suspension af 0,84 g (21 millimol; 60%'s i olie) natriumhydrid i 20 ml dlmethylformamid sattes gradvis 4,20 g (23 millimol) 4-phen-oxyphenol under isafkøling, og blandingen omrørtes ved 20eC i 1 time.
6.39 g (20 millimol) af det som beskrevet under 3) vundne (S)-2-(tetrahydropyranyloxy) -1-propyl p-toluensulfonat tilsattes, og den 20 resulterende blanding omrørtes ved en indre temperatur på 70°C i 7 timer. Reaktionsblandingen blev derefter hældt ud i isvand og ekstraheret 2 gange med ether. Etherfasen blev vasket med en 3%'s vandig natriumhydroxidopløsning til fjernelse af ikke-omsat 4-phenoxyphenol. Etherfasen blev vasket med en vandig natriumchloridopløsning og 25 tørret over vandfrit magnesiumsulfat. Efter fjernelse af opløsningsmidlet sattes 50 ml methanol og 50 mg p-toluensulfonsyre til remanensen efterfulgt af omrøring ved 20eC i 1 time. Reaktionsblandingen blev hældt ud i vandig natriumhydrogencarbonatopløsning og ekstraheret 2 gange med ethylacetat. Ethylacetatfasen blev vasket med van-30 dig natriumchloridopløsning og tørret over vandfrit magnesiumsulfat.
Efter fjernelse af opløsningsmidlet blev remanensen renset ved søjle-chromatografi over silicagel, hvorved man fik 2,30 g (S)-l-methyl-2-
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18 (4-phenoxyphenoxy) ethanol i form af hvide krystaller, smeltepunkt 73,6°C; [a]2J = +18,5eC (c = 1,0 i CHC13).
5) (S)-2-[l-Methyl-2-(4-phenoxyphenoxy)ethoxy]pyridin
Til en suspension af 80 mg (2,0 millimol; 60%'s i olie) natriumhydrid 5 i 5 ml dimethylformamid sattes 500 mg (2,0 millimol) af det som beskrevet under 4) vundne (S)-l-methyl-2-(4-phenoxyphenoxy)ethanol ved en indre temperatur på 0°C, og den resulterende blanding omrørtes ved 0°C i 30 minutter og ved 20°C i 1 time. 280 mg (2,9 millimol) 2-fluorpyridin tilsattes, og omrøringen fortsattes ved 20°C i 12 timer.
10 Reaktionsblandingen blev hældt ud i isvand og ekstraheret 2 gange med ethylacetat. Ethylacetatfasen blev vasket med vandig natriumchlorid-opløsning og tørret over vandfrit magnesiumsulfat. Efter fjernelse af opløsningsmidlet blev remanensen renset ved søjlechromatografi på silicagel, hvorved man fik 370 mg (S)-2-[l-methyl-2-(4-phenoxyphen- 23 23 15 oxy)ethoxy]pyridin i form af en lysegul væske, N jj = 1,5828; [a] D = -33,8eC (c = 0,34 i CHCI3).
EKSEMPEL 6
Fremstilling af forbindelse nr. 118 (fremgangsmåde A):
Til en opløsning af 1,0 g (11 millimol) α-picolin i 20 ml tørt tetra-20 hydrofuran sattes 8 ml (11 millimol; 1,4 millimol/ml) n-butyllithium ved- 50°C under en nitrogenstrøm, indtil reaktionsblandingen blev rød. Efter omrøring ved -50°C i 30 minutter blev der tildryppet 3,0 g (10 millimol) 2-(4-phenoxyphenoxy)ethylbromid ved -50°C, og omrøringen fortsattes ved samme temperatur i 2 timer og ved 20°C i 12 timer.
25 Reaktionsblandingen blev hældt ud i isvand og ekstraheret med ethylacetat. Ethylacetatfasen blev vasket med vandig natriumchloridopløs-ning og tørret over vandfrit magnesiumsulfat. Efter fjernelse af opløsningsmidlet blev remanensen renset ved søjlechromatografi på silicagel, hvorved man fik 1,6 g 2-[3-(4-phenoxyphenoxy)propyl]pyri- 24 5 30 din i form af en lysegul olie, n ’D = 1,5861.
Fremstilling af forbindelse nr. 111 (fremgangsmåde C): EKSEMPEL 7
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19
Til en opløsning af 324 mg (1,0 millimol) 2-[2-(4-phenoxyphenoxy)-ethylthiojpyrimidin i 3 ml carbontetrachlorid sattes 160 mg (1,2 5 millimol) N-chlorsuccinimid under omrøring og isafkøling. Reaktionssystemet fik gradvis lov til at antage stuetemperatur, og omrøringen fortsattes natten over. Bundfaldet blev fraskilt ved filtrering og filtratet koncentreret. Ved omkrystallisation af remanensen af cyclo-hexan fik man 268 mg 2-[l-chlor-2-(4-phenoxyphenoxy)ethylthio]pyrimi-10 din i form af lysegule krystaller, smeltepunkt 86,0°C.
EKSEMPEL 8
Fremstilling af forbindelse nr. 3 (fremgangsmåde B):
En blanding af 2,0 g (8,2 millimol) l-methyl-2-(4-phenoxyphenoxy)-ethanol, 4,0 g (35 millimol) 2-chlorpyridin, 1 g (24 millimol) 95%'s 15 natriumhydroxid i spåner og 0,13 g tetra-n-butylammoniumbromid om-rørtes ved en indre temperatur på 85-90°C i 6 timer. Efter at blandingen havde fået lov at afkøle, tilsattes 10 g toluen, og den resulterende blanding blev vasket med vand og ekstraheret 2 gange med 5 g 35%'s saltsyre. Saltsyrefasen blev vasket med 10 g toluen. En 10%'s 20 vandig natriumhydroxidopløsning tilsattes for at gøre blandingen tilstrækkeligt basisk. Den basiske blanding blev ekstraheret 2 gange yderligere med 10 g toluen, og toluenfasen blev vasket med en 10%'s vandig natriumhydroxidopløsning og en mættet vandig natriumchlorid-opløsning i den angivne rækkefølge og tørret over vandfrit magnesium-25 sulfat. Efter fjernelse af opløsningsmidlet blev remanensen renset ved søjlechromatografi på silicagel, hvorved man fik 1,87 g 2-[1-methyl-2-(4-phenoxyphenoxy)ethoxy]pyridin i form af hvide krystaller.
Fremstilling af forbindelse nr. 3 (fremgangsmåde B): 20
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EKSEMPEL 9
Til en blanding af 0,61 g (15 millimol; 60%'s i olie) natriumhydrid og 1 g (9 millimol) 2-chlorpyridin dryppedes en blanding af 3,0 g (12 5 millimol) l-methyl-2-(4-phenoxyphenoxy)ethanol og 5 g (44 millimol) 2-chlorpyridin under omrøring ved en indre temperatur på 0-5°C. 0,2 g tetra-n-butylammoniumbromid sattes til den resulterende blanding, og omrøring fortsattes ved stuetemperatur i 40 minutter og ved en indre temperatur på 85-90°C i 6 timer. Efter at blandingen havde fået lov 10 til at afkøle, tilsattes der 10 g toluen, og den resulterende blanding blev vasket med vand og ekstraheret 2 gange med 7,5 g 35%'s saltsyreopløsning. Til saltsyrefasen sattes der en 10%'s vandig natriumhydroxidopløsning for at gøre den basisk, hvorefter der blev ekstraheret 2 gange med 10 g toluen. Toluenekstråkten blev vasket med 15 en 10%'s vandig natriumhydroxidopløsning og en mættet vandig natrium-chloridopløsning i den angivne rækkefølge og tørret over vandfrit magnesiumsulfat. Fjernelse af opløsningsmidlet gav 3,51 g 2-[l-methyl-2- (4-phenoxyphenoxy)ethoxy]pyridini form af lysebrune krystal-ler.
20 EKSEMPEL 10
Fremstilling af forbindelse nr. 55:
En overskydende mængde gasformig hydrogenchlorid blev gradvis ledt ind i en opløsning af 1,54 mg (5,0 millimol) 2-[2-(4-phenoxyphenoxy)-ethoxy]pyridin i 50 ml toluen under omrøring. Det dannede hvide 25 bundfald blev isoleret ved filtrering, vasket flere gange med toluen og tørret, hvorved man fik 1,65 g 2-[2-(4-phenoxyphenoxy)ethoxy]-pyridinium-hydrochlorid i form af hvide krystaller, smeltepunkt 138,1QC.
Fremstilling af (S)-(+)-l-methyl-2-(4-phenoxyphenoxy)ethanol: 21 REFERENCEEKSEMPEL 1
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En opløsning af 2,14 g (11,5 millimol) 4-phenoxyphenol i 7 ml toluen hældtes ud i 3 ml af en vandig opløsning af 0,92 g (23,0 millimol) 5 natriumhydroxid, og 1,0 g (17,24 millimol) (S)-(-)-propylenoxid (et 20 reagens fremstillet af Aldrich; [a] q - -7,2' (c - 1 i CHCI3)) tilsattes under omrøring. Til den vundne blanding sattes 185 mg tetra-n-butylammoniumbromid, og blandingen omrørtes ved stuetemperatur i 12 timer efterfulgt af tilsætning af 1 g (S)-(-)-propylenoxid. Efter om-10 røring ved stuetemperatur i 6 timer omrørtes reaktionsblandingen kraftigt under tilsætning af 20 ml vand og 20 ml toluen. Toluenfasen blev fraskilt og vasket med en 20%'s vandig natriumhydroxidopløsning og en vandig natriumchloridopløsning i den angivne rækkefølge og tørret over magnesiumsulfat. Fjernelse af opløsningsmidlet gav 2,35 g 15 råt (S)-(+)-l-methyl-2-(4-phenoxyphenoxy)ethanol, som blev yderligere renset ved søjlechromatografi på silicagel, hvorved man fik 1,97 g 23 (S)-(+)-l-methyl-2-(4-phenoxyphenoxy)ethanol, [α] ρ - +14,0“ (c = 1 i CHCI3). ee: 72,9%.
REFERENCEEKSEMPEL 2 20 Fremstilling af (S)-l-methyl-2-^4-phenoxyphenoxy)ethyl acetat via (R)-l-methyl-2-(4-phenoxyphenoxy)ethyl methansulfonat:
En blanding af 82 mg (1,0 millimol) vandfrit natriumacetat, 250 mg (0,78 millimol; ee: 99,4%) (R)-l-methyl-2-(4-phenoxyphenoxy)ethyl methansulfonat og 5 ml dimethylformamid omrørtes ved en indre tem-25 peratur på 100-110°C i 5 timer. Efter at blandingen havde fået lov at afkøle, tilsattes isvand, og reaktionsblandingen blev ekstraheret 3 gange med toluen. Toluenfasen blev tørret over vandfrit magnesiumsulfat. Opløsningsmidlet blev fjernet og remanensen renset ved tyndt- lagschromatografi under anvendelse af silicagel, hvorved man fik 23 30 158 mg (S)-(-)-l-methyl-2-(4-phenoxyphenoxy)ethyl acetat, [o] jj - -30,6° (c - 1 i CHCI3). ee: 88,8%.
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Fremstilling af 4-(3,5-dif luorphenoxy) anisol: 22 REFERENCEEKSEMPEL 3 7,56 g (0,L89 millimol; 60%'s i olie) natriumhydrid blev vasket med n-hexan til fjernelse af olien, og 100 ml N,N-dimethylformamid til-5 sattes til dannelse af en suspension. Til den således fremstillede suspension sattes gradvis og under omrøring 25,84 g (0,208 mol) 4-methoxyphenol, og omrøring fortsattes, indtil hydrogengasudviklingen ophørte. 30,00 g (0,227 mol) 1,3,5-trifluorbenzen og 0,50 g cupro-chlorid tilsattes. Den resulterende blanding blev opvarmet til kog-10 ning under tilbagesvaling i 8 timer under omrøring. Efter at blandingen havde fået lov at afkøle, blev den hældt ud i isvand og ekstraheret med toluen. Toluenfasen blev tørret over vandfrit magnesiumsul-fat. Opløsningsmidlet blev fjernet og den resterende olie destilleret under reduceret tryk, hvorved man fik 25,42 g 4-(3,5-difluorphenoxy)-15 anisol, kogepunkt 98,5°C/0,2 mm Hg.
REFERENCEEKSEMPEL 4
Fremstilling af 4-(3,5-difluorphenoxy)phenol:
En blanding af 22,0 g (0,093 mol) 4-(3,5-difluorphenoxy)anisol, 200 ml eddikesyre og 200 ml af en 47%'s vandig hydrogenbromidopløs-20 ning blev opvarmet til kogning under tilbagesvaling under omrøring i 8 timer. Efter at blandingen havde fået lov at afkøle, blev den hældt ud i isvand og ekstraheret med en blanding af ether og n-hexan i forholdet 1:2. Den organiske fase blev vasket 3 gange med vand og tørret over vandfrit magnesiumsulfat. Fjernelse af opløsningsmidlet 25 gav 20,27 g 4-(3,5-difluorphenoxy)phenol.
Fremstilling af 2-[4-(3,5-difluorphenoxy)phenoxy]ethanol: 23 REFERENCEEKSEMPEL 5
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9.0 g (40,5 millimol) 4-(3,5-difluorphenoxy)phenol sattes til en ethanolisk opløsning af natriumethoxid fremstillet ud fra 40 ml 5 ethanol og 939 mg (40,9 millimol) natrium. Til den resulterende opløsning sattes 3,26 g (40,5 millimol) 2-chlorethanol dråbevis under omrøring og under kogning under tilbagesvaling. Efter endt tilsætning omrørtes den resulterende blanding under kogning under tilbagesvaling i 4 timer. Efter at blandingen havde fået lov at afkøle, blev ethano-10 let fjernet og den resterende olie opløst i toluen. Toluenfasen blev vasket én gang med vand, 2 gange med en 20%'s vandig kaliumhydroxidopløsning og én gang med en mættet vandig natriumchloridopløsning i den angivne rækkefølge og tørret over vandfrit magnesiumsulfat.
Fjernelse af opløsningsmidlet gav 6,50 g 2-[4-(3,5-difluorphenoxy)-15 phenoxy]ethanol.
REFERENCEEKSEMPEL 6
Fremstilling af 1-methyl-2-[4-(3,5-difluorphenoxy)phenoxy]ethanol: 3.0 g (13,5 millimol) 4-(3,5-difluorphenoxy)phenol sattes til en ethanolisk opløsning af natriumethoxid fremstillet ud fra 15 ml 20 ethanol og 313 mg (13,6 millimol) natrium. Til den resulterende opløsning sattes 1,60 g (16,9 millimol) 1-chlor-2-propanol dråbevis under omrøring og under kogning under tilbagesvaling. Efter endt tilsætning omrørtes den resulterende blanding under kogning under tilbagesvaling i 5 timer. Efter afkøling blev ethanolet fjernet, og 25 den resterende olie opløstes i toluen. Toluenfasen blev vasket én gang med vand, 2 gange med en 20%'s vandig kaliumhydroxidopløsning og én gang med mættet vandig natriumchloridopløsning i den angivne rækkefølge og tørret over vandfrit magnesiumsulfat. Fjernelse af opløsningsmidlet gav 2,24 g l-methyl-2-[4-(3,5-difluorphenoxy)phen-30 oxy]ethanol.
REFERENCEEKSEMPEL 7
Fremstilling af 2-methyl-2- [4-(3,5-difluorphenoxy)phenoxy]ethanol: 24
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En blanding af 11,1 g (50,0 millimol) 4-(3,5-diflurophenoxy)phenol, 9,96 g (55,0 millimol) ethyl 2-brompropionat, 7,25 g (52,5 millimol) 5 kaliumcarbonat og 50 ml N,N-dimethylformamid omrørtes ved en indre temperatur på 70-80eC i 3 timer. Efter at have fået lov til at afkøle blev reaktionsblandingen hældt ud i isvand og ekstraheret med toluen. Toluenfasen blev tørret over vandfrit magnesiumsulfat og opløsningsmidlet fjernet, hvorved man fik 15,6 g ethyl 2-[4-(3,5-difluorphen-10 oxy)phenoxy] prop ionat.
15,6 g af det således vundne ethyl 2-[4-(3,5-difluorphenoxy)phen-oxy]propionat opløstes i 10 ml diethylether. Den resulterende opløsning sattes dråbevis til en suspension af 1,38 g (36,3 millimol) li-thiumaluminiumhydrid i 70 ml diethylether under omrøring ved en indre 15 temperatur på mellem -20 og -10°C. Efter endt tilsætning fortsattes omrøringen i 1 time, medens den indre temperatur holdtes på 0-5°C. Reaktionsblandingen blev hældt ud i en blanding af is og saltsyre og ekstraheret med ether. Etherfasen blev tørret over vandfrit magnesiumsulfat og opløsningsmidlet fjernet, hvorved man fik 12,6 g 2-20 methyl-2-[4-(3,5-difluorphenoxy)phenoxy]ethanol.
REFERENCEEKSEMPEL 8
Fremstilling af 2-[4-(3,5-difluorphenoxy)phenoxy]ethylbromid:
Til en blanding af 1,00 g (3,76 millimol) 2-[4-(3,5-difluorphenoxy)-phenoxy]ethanol og 50 ml n-hexan sattes gradvis 0,71 g (2,63 milli-25 mol) phosphortribromid under omrøring og under isafkøling. Efter endt tilsætning blev temperaturen hævet til stuetemperatur, og omrøringen fortsattes ved samme temperatur i 30 minutter efterfulgt af omrøring under kogning under tilbagesvaling i 1 time. Efter at blandingen havde fået lov til at afkøle, blev den øvre n-hexanfase isoleret ved 30 dekantering, og n-hexanfasen blev vasket 2 gange med vand, 3 gange med vandig natriumcarbonatopløsning og 1 gang med mættet vandig
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25 natriumchloridopløsning i den angivne rækkefølge og tørret over vandfrit magnesiumsulfat. Fjernelse af opløsningsmidlet gav 915 mg 2-[4-(3,5-difluorphenoxy)phenoxy]ethylbromid.
REFERENCEEKSEMPEL 9 5 Fremstilling af 2-[4-(3,5-difluorphenoxy)phenoxy]ethyl p-toluensul-fonat:
Til en opløsning af 2,66 g (10,0 millimol) 2-[4-(3,5-difluorphenoxy)-phenoxy]ethanol i 2,8 g pyridin sattes gradvis 1,91 g (10,0 millimol) p-toluensulfonylchlorid under omrøring og under afkøling til -20°C, 10 og den resulterende blanding fik lov at henstå i køleskab natten over. Til reaktionsblandingen sattes diethylether, og der blev vasket med fortyndet saltsyre, indtil den vandige fase blev sur, hvorefter der blev vasket med en vandig natriumhydrogencarbonatopløsning og en mættet vandig natriumchloridopløsning. Den vundne etherfase blev 15 tørret over vandfrit magnesiumsulfat og opløsningsmidlet fjernet, hvorved man fik 3,90 g 2-[4-(3,5-difluorphenoxy)phenoxy]ethyl p-toluensulfonat.
På samme måde som ovenfor beskrevet blev der fremstillet nitrogen-holdige heterocycliske forbindelser I og mellemprodukter hertil.
20 Nogle typiske eksempler herpå er vist i tabel I-III.
26
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Ved påføring af de nitrogeriholdige heterocycliske forbindelser I som insekticider kan de anvendes som sådanne eller, fortrinsvis, i form af et egnet præparat, fx som emulgerbare koncentrater, puddermidler, granulater, befugtelige pulvere og fine granulater. Indholdet af den 5 nitrogenholdige heterocycliske forbindelse I i sådanne præparater ligger normalt mellem ca. 0,1 og 99,9 vægtprocent, fortrinsvis mellem ca. 2,0 og 80,0 vægtprocent.
Insekticidet ifølge opfindelsen er ejendommeligt ved, at det som aktiv bestanddel indeholder en insekticidt virksom mængde af en 10 forbindelse ifølge opfindelsen og et inert bærestof eller fortyndingsmiddel .
Præparatet kan formuleres på i og for sig kendt måde ved at blande mindst én af de nitrogenholdige heterocycliske forbindelser I med ét eller flere egnede faste eller flydende bærestoffer eller fortyn-15 dingsmidler. En eller flere egnede adjuvanser (fx overfladeaktive midler, vedhæftningsforbedrende midler, dispergenter og stabilisatorer) kan tilsættes for at forbedre dispergerbarheden og forbedre andre af den aktive bestanddels egenskaber ved anvendelse.
Eksempler på faste bærestoffer eller fortyndingsmidler er lerarter 20 (fx kaolin, bentonit, fullerjord, pyrophyllit og sericit), talkumarter, andre uorganiske stoffer (fx hydratiseret siliciumdioxid, pimpsten, diatoméjord, svovlpulver og aktivkul) i form af fine pulvere eller i pudderform.
Eksempler på flydende bærestoffer eller fortyndingsmidler er alkoho-25 ler (fx methanol eller ethanol), ketoner (fx acetone eller methyl- ethylketon), ethere (fx diethylether, dioxan, cellosolve eller tetra-hydrofuran), aromatiske carbonhydrider (fx benzen, toluen, xylen eller methylnaphthalen), aliphatiske carbonhydrider (fx benzin, petroleum eller lampeolie), estere, nitriler, syreamider (fx dimeth-30 ylformamid eller dimethylacetamid) og halogenerede carbonhydrider (fx dichlorethan, trichlorethylen eller carbontetrachlorid), etc.
Eksempler på overfladeaktive midler er alkylsulfater, alkylsulfonater, alkylarylsulfonater, polyethylenglycolethere, polyvalente alko-
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51 holestere, etc. Eksempler på vedhæftningsforbedrende midler og dis-pergeringsmidler er casein, gelatine, stivelsespulver, CMC (carboxy-methylcellulose), gummi arabicum, alginsyre, ligninsulfonat, bento-nit, melasse, polyvinylalkohol, fyrrenåleolie og agar. Som stabilisa-5 torer lean anvendes PAP (isopropylsyrephosphat-blanding), TCP (tri-cresylphasphat), toluolie, epoxyderet olie, forskellige overfladeaktive midler, forskellige fedtsyrer og deres estere, etc.
Desuden kan disse præparater indeholde insekticider, insektvækst-inhibitorer, acaricider, nematocider, fungicider, herbicider, plante-10 vækstregulatorer, gødningsstoffer, jordforbedringsmidler, etc. Især når de anvendes sammen med sædvanlige insekticider, opnås der et bredt aktivitetsspektrum eller en mere øjeblikkelig virkning på forskellige heterogene populationer. Eksempler på insekticiderne omfatter organiske phosphorforbindelser (fx fenitrothion (0,0-dimethyl-15 O-(3-methyl-4-nitrophenyl)phosphorthioat), malathion (S-[l,2-bis-(ethoxycarbonyl)ethyl] 0,0-dimethylphosphorthioat), dimethoat (0,0-dimethyl-S-(N-methylcarbamoylmethyl)phosphordithioat), salithion (2-methoxy-4H-l,3,2-benzdioxaphosphorin-2-sulfid), diazinon (0,0-di-ethyl-0-(2-isopropyl-6-methyl-4-pyrimydinyl)phosphorthioat), dipterex 20 (2,2,2-trichlor-l-hydroxyethyl-0,0-dimethylphosphonat), dichlorvos (0-(2,2-dichlorvinyl)-0,0-dimethylphosphat), etc.), carbamatforbin-delser (fx MPMC (3,4-dimethylphenyl N-methylcarbamat), MTMC (m-tolyl N-methylcarbamat), BPMC (2-sek.butylphenyl N-methylcarbamat), car-baryl (1-naphthyl N-methylcarbamat), etc.) og pyrethroidforbindelser 25 (fx resmethrin (5-benzyl-3-furylmethyl-d,1-cis,trans-chrysanthemat), permethrin (3-phenoxybenzyl-d,1-cis,trans-3-(2,2-dichlorvinyl)-2,2-dimethylcyclopropancarboxylat), fenvalerat (a-cyano-m-phenoxybenzyl α-isopropyl-p-chlorphenylacetat), etc.).
De nitrogenholdige heterocycliske forbindelser I ifølge opfindelsen 30 kan, formuleret til et egnet præparat, anvendes ved en egnet påføringsmetode, fx ved udsprøjtning, røgbehandling, jordbehandling, jordoverfladebehandling eller sammen med dyrefoder.
Nogle praktiske udførelsesformer for præparater til bekæmpelser af insekter ifølge opfindelsen illustreres i nedenstående formulerings-
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52 eksempler, i hvilke procentdele og øvrige dele er beregnet på vægt-mængder .
FORMULERINGSEKSEMPEL 1 20 dele af hver af forbindelserne 1-132, 20 dele af en emulgator (en 5 blanding af polyoxyethylen-styreneret phenylether, polyoxy- ethylen-styreneret phenyletherpolymer og et alkylarylsulfonat) og 60 dele xylen blandes grundigt til dannelse af et emulgerbart koncentrat.
FORMULERINGSEKSEMPEL 2 10 20 dele af hver af forbindelserne 1-132 og 5 dele af en emulgator (natriumlaurylsulfat) blandes grundigt, og 75 dele diatoméjord (300 mesh) tilsættes, og den resulterende blanding blandes grundigt i en pulverisator til dannelse af et befugteligt pulver.
FORMULERINGSEKSEMPEL 3 15 3 dele af hver af forbindelserne nr. 1, 3, 12 eller 46 opløses i 20 dele acetone, 97 dele talkum (300 mesh) tilsættes, og den resulterende blanding blandes grundigt i en pulverisator. Derefter fjernes acetonet ved afdampning, hvorved der fås et puddermiddel.
FORMULERINGSEKSEMPEL 4 20 5 dele af hver af forbindelserne nr. 1 eller 12, 2 dele af et disper- geringsmiddel (calciumligninsulfonat) og 93 dele ler blandes grundigt i en pulverisator. Til den resulterende blanding sættes vand i en mængde på 10%, og den resulterende blanding æltes grundigt og granuleres ved hjælp af en granulator efterfulgt af tørring, hvorved der 25 fås granuler.
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53 FORMULERINGSEKSEMPEL 5 2 dele af forbindelse nr. 3, 2 dele af et dispergeringsmiddel (cal-ciumligninsulfonat) og 96 dele ler blandes grundigt i en pulverisa-tor. Til den resulterende blanding sættes vand i en mængde på 10%.
5 Den resulterende blanding blandes grundigt og granuleres ved hjælp af en granulator efterfulgt af lufttørring, hvorved der fås fine granuler.
FORMULERINGSEKSEMPEL 6 10 dele af hver af forbindelserne 1-132, 20 dele resmethrin, 20 dele 10 af en emulgator (en blanding af polyoxyethylen-styreneret phenyl- ether, polyoxyethylen-styreneret phenyletherpolymer og et alkylaryl-sulfonat) og 50 dele xylen blandes grundigt til dannelse af et emul-gerbart koncentrat.
FORMULERINGSEKSEMPEL 7 15 10 dele af hver af forbindelserne nr. 1-132, 20 dele fenitrothion og 5 dele af en emulgator (natriumlaurylsulfat) blandes grundigt, og der tilsættes 65 dele diatoméjord (300 mesh), og den resulterende blanding blandes grundigt i en pulverisator til dannelse af et befugte-ligt pulver.
20 Nedenfor er anført nogle typiske testdata, som viser den fremragende insektbekæmpende virkning af de nitrogenholdige heterocycliske forbindelser I. De til sammenligning anvendte forbindelser er:
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54
Forbindelse nr. Kemisk struktur Bemærkninger A /0. ( O Kendt som "metho- 5 7 pren"; USA-patent- skrifter nr.
3.904.662 og 3.912.815 B ^-0-^ Forbindelse beskrevet 10 i ikke-undersøgt ja pansk publiceret patentansøgning nr.
157522/1975
S
q Π Vuø-v y-O^' 1 IJ Forbindelse beskrevet \ —J \zzl i tysk offentlig gørelsesskrift nr. v 2.616.755 »cv_oc_r; D o-O "0 O 3» S /CH3 E II ft Λ Kendt som "fenitro- (CH,0) oP-CK' Χ)-Ν09 3 2 \—/ 2 thion"
Forbindelse beskre- 20 F vet 1 ^ offent- kry “ kjJJ liggørelsesskrift nr. 2516331 55
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TESTEKSEMPEL 1
Pupper af voksmøl (Galleria, mellonella) opsamledes inden for 20 timer efter forpupningen. Ifølge Schneidermanns metode (J. Insect Physiol, 11, 1965, s. 1641) blev der foretaget en punktur på ca. 1 mm^ i højre 5 side af thoraxdorsum i hver puppe, og såret blev lukket med en bestemt mængde af testforbindelsen opløst i en blanding af paraffinvoks og jordnøddeolie. De behandlede pupper blev holdt ved 28°C i en pyrostat. Puppecuticula på den behandlede del blev skrællet af før emergens, og der blev gjort iagttagelser for at undersøge dannelsen 10 af puppecuticula, hvorudfra den gennemsnitlige reaktionsgrad over for testforbindelsen blev bestemt, og den dosis af testforbindelsen, der fremkaldte 50%'s metamorfoseinhibering (ID^), blev beregnet. Resultaterne er vist i tabel IV.
Tabel IV
15 Testforbindelse nr. ID50 (^g/puppe) 1 <0,001 A 2,2 B >1 20 C >1 TESTEKSEMPEL 2
Et emulgerbart koncentrat fremstillet ifølge formuleringseksempel 1 blev fortyndet med vand til dannelse af en 400 ganges fortynding.
25 0,7 ml fortyndet væske blev sat til 100 ml destilleret vand. Larver i sidste stadie af almindelig myg (Culex pipiens pallens) blev sat ud heri og opdrættet i 7 dage indtil emergens. Emergensgraden blev iagttaget (to replikationer). Resultaterne er vist i tabel V.
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56
Tabel V
Testforbindelse Koncentration Emergensgrad nr. (ppm) (%) 51 3,5 0 2 3,5 0 3 3,5 0 4 3,5 0 5 3,5 0 10 6 3,5 0 7 3,5 0 8 3,5 0 9 3,5 0 10 3,5 0 15 11 3,5 0 12 3,5 0 13 3,5 0 14 3,5 0 15 3,5 0 20 16 3,5 0 17 3,5 0 18 3,5 0 19 3,5 0 20 3,5 0 25 21 3,5 0 22 3,5 0 23 3,5 0 24 3,5 0 25 3,5 0 30 26 3,5 0 27 3,5 0 28 3,5 0 29 3,5 0 30 3,5 0 35 31 3,5 0 32 3,5 0
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57
Tabel V fortsat 33 3,5 0 34 3,5 0 35 3,5 0 5 36 3,5 0 37 3,5 0 38 3,5 0 39 3,5 0 40 3,5 0 10 41 3,5 0 42 3,5 0 43 3,5 0 44 3,5 0 45 3,5 0 15 46 3,5 0 47 3,5 0 48 3,5 0 49 3,5 0 50 3,5 0 20 51 3,5 0 52 3,5 0 53 3,5 0 54 3,5 0 55 3,5 0 25 56 3,5 0 57 3,5 0 58 3,5 0 59 3,5 0 60 3,5 0 30 61 3,5 0 62 3,5 0 63 3,5 0 64 3,5 0 65 3,5 0 35 66 3,5 0 67 3,5 0 68 3,5 0
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58
Tabel V fortsat 69 3,5 0 70 3,5 0 71 3,5 0 5 72 3,5 0 73 3,5 0 74 3,5 0 75 3,5 0 76 3,5 0 10 77 3,5 0 78 3,5 0 79 3,5 0 80 3,5 0 81 3,5 0 15 82 3,5 0 83 3,5 0 84 3,5 0 85 3,5 0 86 3,5 0 20 87 3,5 0 88 3,5 0 89 3,5 0 90 3,5 0 91 3,5 0 25 92 3,5 0 93 3,5 0 94 3,5 0 95 3,5 0 96 3,5 0 30 97 3,5 0 98 3,5 0 99 3,5 0 100 3,5 0 101 3,5 0 35 102 3,5 0 103 3,5 0 104 3,5 0
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59
Tabel V fortsat 105 3,5 0 106 3,5 0 TO 7 3,5 0 5 108 3,5 0 109 3,5 0 110 3,5 0 111 3,5 0 112 3,5 0 10 113 3,5 0 114 3,5 0 115 3,5 0 116 3,5 0 117 3,5 0 15 118 3,5 0 119 3,5 0 120 3,5 0 121 3,5 0 122 3,5 0 20 123 3,5 0 124 3,5 0 125 3,5 0 126 3,5 0 127 3,5 0 25 128 3,5 0 129 3,5 0 130 3,5 0 131 3,5 0 132 3,5 0 30 157 3,5 0 158 3,5 0 159 3,5 0 160 3,5 0 161 3,5 0 35 162 3,5 0 163 3,5 0 164 3,5 0 165 3,5 0
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60
Tabel V fortsat 166 3,5 0 167 3,5 0 168 3,5 0 5 169 3,5 0 A 3,5 0
Ubehandlet - 90 10 _ TESTEKSEMPEL 3
Et emulgerbart koncentrat fremstillet ifølge formuleringseksempel 1 blev fortyndet med vand til en bestemt fortynding. 0,5 ml af den fortyndede væske blev sat til 100 ml destilleret vand. Tyve larver i 15 sidste trin af almindelig myg (Culex pipiens pallens) blev sat ud deri og opdrættet i 7 dage indtil emergens. Den koncentration, der fremkaldte 50%'s inhibering af emergensen (IC^q) (PP®) blev bestemt (to replikationer). Resultaterne er vist i tabel VI, hvor ΡΙ,-q svarer til -log IC5Q.
20 Tabel VI
Testforbindelse nr. ^50 1 4,3 3 4,2 25 6 4,6 19 3,9 20 4,4 23 4,4 46 3,8 30 49 5,2 89 4,4 95 4,2 97 4,7 124 4,1 35 125 4,1
Tabel VI fortsat 61
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A 3,7 B 1,1 C 1,6 5 F 0,3 TESTEKSEMPEL 4 2 g pulveriseret dyrefoder blev blandet grundigt med 14 g klid. Et emulgerbart koncentrat fremstillet som i formuleringseksempel 1 blev 10 fortyndet med vand til den ønskede koncentration, og 28 ml af den fortyndede væske blev sat til den ovennævnte blanding. Den vundne blanding blev omrørt grundigt til dannelse af en kunstig ernæring. 30 stuefluelarver (Musca domestica) fik lov at vokse deri indtil puppedannelse. Pupperne blev anbragt i et plastbæger, og emergensgraden 15 blev bestemt. Den procentvise emergensinhibering blev beregnet ved følgende ligning:
Emergens- Emergensgrad i behandlet ansats
inhibering ^ Emergensgrad i ubehandlet ansats ^ X
(X) 20 Resultaterne er anført i tabel VII.
Tabel VII
Testforbindelse Emergensinhibering (%) nr. 3 ppm 1 ppm 0,3 ppm 25 1 100 100 100 2 100 100 52 3 100 100 100 4 100 100 100 5 100 100 100 30 6 100 100 100
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62
Tabel VII fortsat 10 100 89 22 12 100 100 100 15 100 100 100 5 19 100 100 100 28 78 51 0 31 100 100 100 32 96 66 0 33 100 92 34 10 34 79 23 0 35 97 97 80 37 100 100 100 38 97 93 77 39 100 100 97 15 46 100 100 100 47 100 100 100 49 97 62 8 50 100 95 23 51 100 68 2 20 61 100 100 100 62 100 100 89 63 100 100 100 64 100 100 100 66 100 100 100 25 67 100 100 100 68 100 100 89 69 100 100 100 71 100 100 100 72 100 100 100 30 73 100 100 96 74 100 100 83 75 100 100 95 76 100 100 100 77 100 100 100 35 78 100 100 100 79 100 100 95 82 100 89 41 83 100 92 57 DK 162091 63
Tabel VII fortsat 84 100 67 16 85 100 100 97 97 100 100 85 5 98 100 100 96 99 100 100 92 100 100 100 32 101 100 100 40 102 100 100 100 10 103 100 100 92 120 100 79 46 122 100 47 7 131 100 100 100 132 100 100 100 15 __ A 60 13 2 B 36 15 0 GO 0 0 F 10 5 0 20 _ TESTEKSEMPEL 5
Voksne individer af røde hunspindemider (Tetranychus cinnabarinus) fik lov at leve på fire blade (10 mider/blad) af snittebønner 5 dage efter plantning i potterne, og de voksne dyr blev holdt ved 27°C i en pyrostat. Efter 6 dage 25 blev en 400 ganges fortynding (500 ppm) af det emulgerbare koncentrat fremstillet ifølge formuleringseksempel 1 sprøjtet over potterne, der var placeret på et drejeligt bord, med et udsprøjtet volumen på 10 ml/potte, og der blev tillige påført 2 ml fortyndet væske på jorden i hver potte. Otte dage derefter blev antallet af voksne individer talt, og den insektbekæmpen-30 de virkning blev bedømt efter følgende skala: ++: 0-9 voksne dyr på et blad +: 10-30 voksne dyr på et blad -: mere end 31 voksne dyr på et blad
Resultaterne er vist i tabel VIII.
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Tabel VIII
Testforbindelse nr. Bedømmelse 5 46 + 80 ++ 126 + 128 ++
10 B
C
Ubehandlet TESTEKSEMPEL 6 15 50 af hver voksne han- og hunstuefluer (Musca domestica) blev anbragt i et bur. 2 g pulveriseret foder, 14 g klid og 28 ml vand blev blandet grundigt til dannelse af en kunstig ernæring, og 30 4 dage gamle larver af stueflue fik lov at vokse deri. Et 20%'s emulgerbart koncentrat af forbindelse nr. 3 fremstillet ifølge formuleringseksempel 20 1 og fortyndet med vand samt en blanding med forbindelse D og for bindelse E blev sprøjtet på hvert bur og på foderet med et sprøjtevolumen på 20 ml. Efter sprøjtningen blev foderet sat i buret, og antallet af voksne i buret blev iagttaget efter et antal dage og bedømt som "korrigeret densitetsindeks", som blev beregnet ved nedenstående 25 ligning:
Antallet af voksne Antallet af voksne før behandling i x efter behandling i Korrigeret ubehandlet ansats behandlet ansats densitets- = -- x 100 30 indeks Antallet af voksne Antallet af voksne efter behandling i x før behandling i ubehandlet ansats behandlet ansats
Tabel IX
65
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Resultaterne er vist i tabel IX.
Forbin- Koncen- delse tration Korrigeret densitetsindeks 5 nr. (ppm) 1 dag 2 dage 5 dage 16 dage 22 dage 3 5 98 98 99 3 2 D 10 25 24 23 64 81 E 10 30 22 22 71 80 10 3/D 5/10 34 29 25 4 2 3/E 5/10 33 31 30 2 1 TESTEKSEMPEL 7
Et eraulgerbart koncentrat fremstillet ifølge formuleringseksempel 1 15 blev fortyndet med vand til en bestemt koncentration. 50 ml af den resulterende fortynding blev sat til 100 g fjerkræfoder og blandet grundigt. Den således vundne blanding blev givet som foder til grupper af fjerkræ (hver gruppe bestående af 3 dyr) ved en daglig dosis på 100 g/fjerkræindivid i 2 dage, hvorefter deres gødningsklatter 20 blev opsamlet. 200 æg af stueflue (Musca domestica) blev inkuberet i gødningen indtil puppestadiet. De dannede pupper blev anbragt i en anden beholder, og den koncentration, der fremkaldte en 50%'s emergens inhibering (IC^q), blev bestemt. Resultaterne er anført i tabel X.
25 Tabel X
Testforbindelse nr. IC,.q (PPm) 1 0,69 3 0,24 30 A 32
Claims (8)
1. Nitrogeriholdige heterocycliske forbindelser med den almene formel I R6 Z\ R3 R2 X^-Y"CH~fCH2t^»CH-X-R1 I R5 <Vm 5 hvor Rj^ betegner en af nedenstående grupper J*)-*7 ^~Rl1 ")^R» (Rg/£ , R1() / R12 / R14 vY*15 vs. Υύ^ϊΙ V £ χ_ΗΛ R16 ' R21 *20 10 (hvor R7, Rg, Rg, R1qj R^, R^, R13, R14, R15> R16 og R17 har samme eller forskellig betydning og hver betegner et hydrogenatom, et halogenatom, 4-alkyl, ^-alkoxy, ^-alkylthio, trifluormethyl eller nitro, R^g, R^, R2q og R^ har samme eller forskellig betydning og hver betegner et hydrogenatom eller en methylgruppe, k be-15 tegner 0 eller 1, og 1 betegner et tal 0-3); R2 og R3 har samme eller forskellig betydning og hver betegner et hydrogenatom, et halogenatom eller en methylgruppe; R4 betegner et halogenatom eller en methylgruppe; R5 og Rg har samme eller forskellig betydning og betegner hver et 20 hydrogenatom, et halogenatom, 4 - alkyl, 4 - alkoxy, ^-halo- genalkyl eller ^-halogenalkoxy; X, Y og Z har samme eller forskellig betydning og betegner hver for sig et oxygenatom, et svovlatom eller en methylengruppe, idet dog mindst to af X, Y og Z betegner et oxygenatom; DK 162091 B m betegner et tal 0-4; og n betegner et tal 0 eller 1, samt syreadditionssalte heraf.
2. Nitrogenholdige heterocycliske forbindelser ifølge krav 1, kendetegnet ved, at 5. betegner oxygen, Y betegner oxygen, og Z betegner oxygen; eller X betegner oxygen, Y betegner oxygen, og Z betegner svovl; eller X betegner oxygen, Y betegner oxygen, og Z betegner methylen; eller X betegner oxygen, Y betegner svovl, og Z betegner oxygen; eller X betegner oxygen, Y betegner methylen, og Z betegner oxygen; eller 10. betegner svovl, Y betegner oxygen, og Z betegner oxygen; eller X betegner methylen, Y betegner oxygen, og Z betegner oxygen.
3. Nitrogenholdig heterocyclisk forbindelse ifølge krav 1, kendetegnet ved, at Rj^ betegner en af nedenstående grupper (R8}£ R12 15 (hvor Ry, Rg, R^, R^ og R^ hver for sig betegner et hydrogeneller fluoratom); R5 og Rg har samme eller forskellig betydning og betegner hver for sig et hydrogen- eller fluoratom; 20. betegner et oxygen- eller svovlatom; Y betegner et oxygenatom; Z betegner et oxygenatom eller en methylengruppe; og m og n hver betegner 0.
4. Nitrogenholdig heterocyclisk forbindelse ifølge krav 1, 25 kendetegnet ved, at den har formlen DK 162091 B CH3 F, CH- *\_ _ T 3 /-χ ^o-ch2-ch-o· F^ CH3 CH3 O-"12 -^^-0-CH2-CH-0 -o Q°^0-ch2.ch2-0^ CH3 0‘o‘C^o"ch2^h'°'0 CH3 0>.o^o-ch2-ch2-S^ F\ /°~'CH2~CH2~0’~^3 Ρχ Q-0f>0-CH2-cV°^ DK 162091 B F\ \ /— \ n—v \ ^-o-ch2-ch2-cH^ F. \ZVQ~^Z^~°~CH2~CH2“0“^ 3 f' C^O0'CH2-CH2-°<0 F\_ CH3 5°fy°-cH2^si v—' \—f NN^ _ CH3 y=J Vrr/ \UJ F/ Γ "* \^°^^°-cE2'cH2~s-f~y F' F\ \_/ ° \_/ °~CH2~CH2~°"{^) f/ Ν V Cl eller ^3^)-0“^Z^_0~CH2_^H”S"<\ ^ DK 162091 B
5 X, Y og Z har samme eller forskellig betydning og betegner hver for sig et oxygenatom, et svovlatom eller en methylengruppe, idet dog mindst to af X, Y og Z betegner et oxygenatom; m betegner et tal 0-4; og n betegner et tal 0 eller 1, 10 kendetegnet ved, at a) en forbindelse med den almene formel II Rg Z R· R2 Xs / /"Y"CH_iCH2^rTCH"Al 11 Rc (RJm 5. m 15 hvor R4, Rg, Rg, Y, Z, m og n har den ovenfor anførte betydning, og R2, R3 har samme eller forskellig betydning og hver betegner et hydrogenatom eller en methylgruppe, og betegner et halogenatom, en mesyloxygruppe eller en tosyloxygruppe, omsættes med en forbindelse med den almene formel III
20 H-X-R1 III hvor R^ og X har den ovenfor anførte betydning, eller et alkalimetalsalt deraf; b) en forbindelse med den almene formel IV Rc Z _ Jj4 «2 ^ / \\^Y“CH”^CH2^irCH"X'H
25 IV R,- (RJm 5. m hvor R2, R3, R4, R5, Rg, Y, Z, m og n har den ovenfor anførte betydning, og X' betegner et oxygenatom eller et svovlatom, eller et DK 162091 B alkalimetalsalt deraf omsættes med en forbindelse med den almene formel V A2-Ri V hvor R-l har den ovenfor anførte betydning, og A2 betegner et halo-5 genatom; eller c) til fremstilling af forbindelser med formlen I, hvor R2 eller R3 betegner et halogenatom, omsætning af den tilsvarende ikke-halogenerede forbindelse med et halogeneringsmiddel.
5 N~
5. Nitrogenholdig heterocyclisk forbindelse ifølge krav 1, kendetegnet ved, at den er en (S)-(-)-isomer af en forbindelse med formlen CH3 CH3 ^o^o_IH-CH2
6. Fremgangsmåde til fremstilling af en nitrogenholdig heterocyclisk forbindelse med den almene formel I *6YVZV\ *3 i2 V+y r\J)-Y-CH-fCH2^-CH-X-R;L 1 (R.) 5- 4'm hvor
10 R^ betegner en af nedenstående grupper ijD-*7 ^S~Ru y^"Ri3 (R8 *£ ' R10 ' R12 ' R14 yY15 vs ΝγΝ O—Ri7 eller Ν>^Η2)* R16 ' R21 R20 (hvor R7, Rg, R9, R10, R11> Ri2, R13> R^, R^, Rlg og Rly har samme eller forskellig betydning og hver betegner et hydrogenatom, et 15 halogenatom, ^-alkyl, ^-alkoxy, ^-alkylthio, trifluormethyl eller nitro, R^g, R^^, R2Q og R^ har samme eller forskellig betydning og hver betegner et hydrogenatom eller en methylgruppe, k betegner 0 eller 1, og 1 betegner et tal 0-3); R2 og R3 har samme eller forskellig betydning og hver betegner et 20 hydrogenatom, et halogenatom eller en methylgruppe; DK 162091 B n R4 betegner et halogenatom eller en methylgruppe; Rg og Rg har samme eller forskellig betydning og betegner hver et hydrogenatom, et halogenatom, ^-alkyl, ^-alkoxy, ^-halo-genalkyl eller ^-halogenalkoxy;
7. Insekticid, 10 kendetegnet ved, at det som aktiv bestanddel indeholder en insekticidt virksom mængde af en forbindelse ifølge krav 1 og et inert bærestof eller fortyndingsmiddel.
8. Fremgangsmåde til bekæmpelse af insekter, kendetegnet ved, at insekterne påføres en insekticidt 15 virksom mængde af en forbindelse ifølge krav 1. 1 Anvendelse af en forbindelse ifølge krav 1 som insekticidt middel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58073400A JPS59199673A (ja) | 1983-04-25 | 1983-04-25 | 含窒素複素環化合物、その製造法およびそれを有効成分とする有害生物防除剤 |
| JP7340083 | 1983-04-25 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK205584D0 DK205584D0 (da) | 1984-04-24 |
| DK205584A DK205584A (da) | 1984-10-26 |
| DK162091B true DK162091B (da) | 1991-09-16 |
| DK162091C DK162091C (da) | 1992-02-24 |
Family
ID=13517104
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK205584A DK162091C (da) | 1983-04-25 | 1984-04-24 | Nitrogenholdige heterocycliske forbindelser, fremgangsmaade til fremstilling deraf, insekticid indeholdende disse samt anvendelse af forbindelserne som insekticidt middel |
| DK001591A DK165972C (da) | 1983-04-25 | 1991-01-04 | Optisk aktive phenoxyphenoxyalkoholer |
| DK001691A DK165443C (da) | 1983-04-25 | 1991-01-04 | 4-(3,5-difluorphenoxy)phenol |
| DK001491A DK165740C (da) | 1983-04-25 | 1991-01-04 | Fluorsubstituerede phenoxyphenoxyalkoholer |
| DK912072A DK207291D0 (da) | 1983-04-25 | 1991-12-27 | Nitrogenholdige heterocycliske forbindelser |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK001591A DK165972C (da) | 1983-04-25 | 1991-01-04 | Optisk aktive phenoxyphenoxyalkoholer |
| DK001691A DK165443C (da) | 1983-04-25 | 1991-01-04 | 4-(3,5-difluorphenoxy)phenol |
| DK001491A DK165740C (da) | 1983-04-25 | 1991-01-04 | Fluorsubstituerede phenoxyphenoxyalkoholer |
| DK912072A DK207291D0 (da) | 1983-04-25 | 1991-12-27 | Nitrogenholdige heterocycliske forbindelser |
Country Status (20)
| Country | Link |
|---|---|
| US (3) | US4751225A (da) |
| EP (2) | EP0246713B1 (da) |
| JP (1) | JPS59199673A (da) |
| KR (1) | KR910007963B1 (da) |
| AU (1) | AU566515B2 (da) |
| BR (1) | BR8401940A (da) |
| CA (1) | CA1231945A (da) |
| DE (2) | DE3485546D1 (da) |
| DK (5) | DK162091C (da) |
| GB (2) | GB2140010B (da) |
| IL (5) | IL87772A (da) |
| IN (2) | IN159713B (da) |
| MY (1) | MY8600647A (da) |
| NL (1) | NL971041I1 (da) |
| NZ (1) | NZ207897A (da) |
| OA (1) | OA07710A (da) |
| PH (1) | PH19386A (da) |
| SA (1) | SA90100085B1 (da) |
| SG (2) | SG101787G (da) |
| ZA (1) | ZA842848B (da) |
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- 1984-04-18 AU AU27061/84A patent/AU566515B2/en not_active Expired
- 1984-04-19 EP EP87201020A patent/EP0246713B1/en not_active Expired - Lifetime
- 1984-04-19 GB GB08410240A patent/GB2140010B/en not_active Expired
- 1984-04-19 DE DE8787201020T patent/DE3485546D1/de not_active Expired - Lifetime
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1985
- 1985-05-30 GB GB08513656A patent/GB2158439B/en not_active Expired
- 1985-06-26 IN IN481/MAS/85A patent/IN162043B/en unknown
-
1986
- 1986-12-30 MY MY647/86A patent/MY8600647A/xx unknown
-
1987
- 1987-03-31 IL IL82059A patent/IL82059A0/xx unknown
- 1987-04-21 US US07/040,796 patent/US4751225A/en not_active Expired - Lifetime
- 1987-11-17 SG SG1017/87A patent/SG101787G/en unknown
- 1987-11-17 SG SG1016/87A patent/SG101687G/en unknown
-
1988
- 1988-03-22 US US07/171,851 patent/US4879292A/en not_active Expired - Lifetime
- 1988-09-16 IL IL87772A patent/IL87772A0/xx unknown
-
1989
- 1989-08-18 US US07/395,793 patent/US4970222A/en not_active Expired - Lifetime
-
1990
- 1990-01-09 SA SA90100085A patent/SA90100085B1/ar unknown
-
1991
- 1991-01-04 DK DK001591A patent/DK165972C/da not_active IP Right Cessation
- 1991-01-04 DK DK001691A patent/DK165443C/da not_active IP Right Cessation
- 1991-01-04 DK DK001491A patent/DK165740C/da not_active IP Right Cessation
- 1991-12-27 DK DK912072A patent/DK207291D0/da not_active Application Discontinuation
-
1997
- 1997-11-05 NL NL971041C patent/NL971041I1/nl unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUP | Patent expired |