CS271126B1 - 1-(4-/4-/2-tetrahydropyranyloxy/butoxy/phenyl/alkyl ester of 3-/2,2-dihalogenethenyl/-2,2-dimethylcyclopropancarboxyl acid as biologically active substance and method of its preparation - Google Patents

1-(4-/4-/2-tetrahydropyranyloxy/butoxy/phenyl/alkyl ester of 3-/2,2-dihalogenethenyl/-2,2-dimethylcyclopropancarboxyl acid as biologically active substance and method of its preparation Download PDF

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CS271126B1
CS271126B1 CS884202A CS420288A CS271126B1 CS 271126 B1 CS271126 B1 CS 271126B1 CS 884202 A CS884202 A CS 884202A CS 420288 A CS420288 A CS 420288A CS 271126 B1 CS271126 B1 CS 271126B1
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phenyl
butoxy
tetrahydropyranyloxy
dihalogenethenyl
preparation
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CS884202A
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Czech (cs)
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CS420288A1 (en
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Jitka Ing Csc Kahovcova
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Kahovcova Jitka
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Abstract

The object of the solution is a new biologically active substance of the general formula I, where the symbol R stands for alkyl group with a straight or forked chain with a maximum of 4 hydrogen atoms, where X stands for a halogen (chlorine, bromine). Its pesticide effects were already tested on insect and mites. Another part of the solution is the preparation method of substances of the general formula I, which concerns the reaction of a hydroxyl compound of the general formula II, where the symbol R has the abovementioned meaning with an organic acid of the general formula III, where the symbol X has the abovementioned meaning in the presence of the catalytic amount of 4-dimethylaminopyridine and of the equimolar amount of 4-dicyclohexylcarbodiimide at the temperature of 10 to 20 degrees C or with chlorine or with anhydride of the organic acid in the presence of the equimolar amount of non-aqueous pyridine at the temperature of 20 to 60 degrees C.<IMAGE>

Description

Vynález ee týká l-^4-[4-(2-tetrahydropyranyloxy)butoxy]fenyl]alkylesteru 3-(2,2-dihalogenethenyl)-2,2-dimethylcyklopropankarboxylové kyseliny jako biologicky účinné látky a způsobu její přípravy.The invention relates to 3- (2,2-dihalogenethenyl) -2,2-dimethylcyclopropanecarboxylic acid 1- [4- (4- (2-tetrahydropyranyloxy) butoxy) phenyl] alkyl ester as a biologically active agent and a process for its preparation.

Podstatou vynálezu je l-^4-[4-(2-tetrahydropyranyloxy)butoxy]fenyl}alkyleater 3-(2,2-dihalogenethenyl)-2,2-dimethylcyklopropankarboxylové kyseliny obecného vzorce IThe present invention relates to 3- (2,2-dihalogenethenyl) -2,2-dimethylcyclopropanecarboxylic acid 1- [4- (2-tetrahydropyranyloxy) butoxy] phenyl} alkyl ester of the formula I

CH(R)OCOCH-CH -CH-CXO \/ XCH (R) OCOCH-CH-CH-CX O / X

C(CH3)2 (I).C (CH 3 ) 2 (I).

kde symbol R značí alkylskupinu s rovným či rozvětveným řetězcem s maximálně 4 atomy uhlíku, symbol X značí halogen (chlor, brom).wherein R is straight or branched chain alkyl of up to 4 carbon atoms, X is halogen (chlorine, bromine).

Způsob přípravy l-(4-[4-(2-tetrahydropyranyloxy)butoxy]fenyl]alkylesteru 3-(2,2dihalogenethenyl)-2,2-dimethylcyklopropankarboxylové kyseliny obecného vzorce I ae vyznačuje tím, že se nechá reagovat hydroxyslouČenina obecného vzorce II •CH(OH)R (II), kde symbol R má výše uvedený význam a organickou kyselinou obecného vzorce IIIA process for the preparation of 3- (2,2-dihalogenethenyl) -2,2-dimethylcyclopropanecarboxylic acid 1- (4- [4- (2-tetrahydropyranyloxy) butoxy] phenyl) alkyl ester of formula (I) and characterized in that the hydroxy compound of formula (II) is reacted. CH (OH) R (II) wherein R is as defined above and an organic acid of formula III

XoC-CH-CH-CH-C00H 2 \/X o C-CH-CH-CH-C00H 2 \

C(CH3)2 (III), kde aymbol X má výše uvedený význam za přítomností katalytického množství 4-dimethylaminopyridinu a ekvimolárního množství dicyklohexylkarbodiimidu při teplote 10 aŽ 20 °C nebo s chloridem či anhydridem organické kyseliny za přítomnosti ekvimolárního množství bezvodého pyridinu při 20 až °cC (CH 3 ) 2 (III) wherein aymbol X is as defined above in the presence of a catalytic amount of 4-dimethylaminopyridine and an equimolar amount of dicyclohexylcarbodiimide at 10-20 ° C or with an organic acid chloride or anhydride in the presence of an equimolar amount of anhydrous pyridine at 20 to ° C

V dalším je vynález blíže objasněn na příkladu provedení, aniž se na tento výlučně omezuje.In the following, the invention is explained in more detail by way of example without being limited thereto.

PříkladExample

0,2 g(l mmol) 3-(2,2-dichloretheny1)-2,2-dimethylcyklopropankarboxylové kyseliny, 0,33 g (1,1 mmol) l-{4£4-(2-tetrahydropyranyloxy)butoxyJfenyl}-1-propanolu, 0,2 g (1 mmol) dicyklohexylkarbodiimidu a 0,01 g (0,1 mmol) Ν,Ν-dimethylaminopyridinu bylo mícháno v 10 ml bezvodého diethyléteru při 15 až 20 °C po dobu 2 hodin. Po zředění reakční směsi diethyléterem, filtrací a promytí postupně 5%ním roztokem kyseliny chlorovodíkové a vodou byla éterická vrstva vysušena nad bezvodým síranem sodným a odpařena. Odparek, děleny sloupcovou chromátografií na silikagelu s 8 hmot. % vody (eluční činidlo petroléter obsahující až 20 obj. % diethyléteru) poskytl 0,26 g (52 %) l-£4-[4-(2-tetrahydropyranýloxy)butoxy]feny1Jpropylesteru 3-(2,2-dichloretheny1)-2,2-dimethy1cyklopropankarboxylové kyseliny.0.2 g (1 mmol) of 3- (2,2-dichloroethenyl) -2,2-dimethylcyclopropanecarboxylic acid, 0.33 g (1.1 mmol) of 1- {4- [4- (2-tetrahydropyranyloxy) butoxy] phenyl} - 1-propanol, 0.2 g (1 mmol) of dicyclohexylcarbodiimide and 0.01 g (0.1 mmol) of Ν, Ν-dimethylaminopyridine were stirred in 10 ml of anhydrous diethyl ether at 15-20 ° C for 2 hours. After diluting the reaction mixture with diethyl ether, filtering and washing successively with 5% hydrochloric acid solution and water, the ether layer was dried over anhydrous sodium sulfate and evaporated. The residue was separated by column chromatography on silica gel with 8 wt. % water (eluent petroleum ether containing up to 20 vol% diethyl ether) gave 0.26 g (52%) of 1- (4- (2-tetrahydropyranyloxy) butoxy] phenyl) propyl ester of 3- (2,2-dichloroethenyl) -2 2-dimethylcyclopropanecarboxylic acid.

IČ analýza (CC14,5%): 1725,171С(|‘С»0 ester. ) ,1614..1586,1516(,'arom. ), 1614 , (i^C-C konj.), 1389,1378,137O(J'BCH,)cm“1.IR analysis (CCl 4 , 5%): 1725, 1717C (| C? O ester.), 1614..1586, 1516 (,? Arom.), 1614, (? CC conj.), 1389, 1378, 137O (J ' B CH) cm -1 .

NMR analýza (13C, CDClp 200KHz): 10. OO(CH3CH2O) , 15.09,28. 41/(011^) 2C/, 19.54 (CH^HjO-^^ ),NMR analysis ( 13 C, CDCl 3 200KHz): 10 O (CH 3 CH 2 O), 15.09.28. 41 / (011)) 2 C, 19.54 (CH 2 H 2 O 2 -).

25.35(CH2CH20),26.24,26.36(CH2CH2C-C),27.42/t>-C(CH3)2/,29.17(CH2CH3),25.35 (CH 2 CH 2 O), 26.24,26.36 (CH 2 CH 2 CC), 27.42 / t> -C (CH 3 ) 2 /.29.17 ( CH 2 CH 3 ),

30.74(CH2CTq),32.19,32.34(CH-CH),62.33(CH2-0-CH-0),67.69(CH2OCH-O)77. 26(CH0),30.74 (CH 2 CTq), 32.19, 32.34 (CH-CH), 62.33 (CH 2 -O-CH-O), 67.69 (CH 2 OCH-O) 77. 26 (CH0)

98.85(CHq),12O,51(CC12),125.03(CH=),114.33,127.92,142.29,158.72(arom. C).98.85 (CHQ), 12o, 51 (CC1 2), 125.03 (CH =), 114.33,127.92,142.29,158.72 (arom. C).

Biologické účinky byly zkoušeny na roztoči Varroa jacobaoni. Pro l-^4-[4~(2-tetraby dropy raný 1 oxy )but oxy]fenyl]propylester 3-(2,2-dichlorethenyl)-2,2-dimethylcyklopropankarboxylové kyseliny (kličková kontaktní aplikace, l%ní vodná emulse) byla nalezena během 24 hodin 97%ní akaricidní účinnost. Dále byla zkoušena biologická účinnost na roztoči Tetranychus urticae.Biological effects were tested on the Varroa jacobaoni mite. For 3- (2,2-dichloro-phenyl) -2,2-dimethyl-cyclopropanecarboxylic acid 1- [4- (2-tetrahydro-1-oxo-butoxy) -phenyl] -propyl ester (loop contact application, 1% aqueous emulsion) ) was found to have 97% acaricidal activity within 24 hours. In addition, the biological activity of Tetranychus urticae was tested.

Claims (2)

PŘEDMĚT VYNÁLEZUSUBJECT OF THE INVENTION 1.1. l-[4-[4-(2-tetrahydropyranyloxy)butoxy]fsnyl]alkylester 3-(2,2-dihalogenethenyl)-2,2-dimethylcyklopropanksrboxylové kyseliny obecného vzorce I3- (2,2-Dihalogenethenyl) -2,2-dimethylcyclopropanecarboxylic acid 1- [4- [4- (2-tetrahydropyranyloxy) butoxy] phenyl] phenyl ester -o-(ch2)4 (I), kde symbol R značí alkylskupinu a rovným či rozvětveným řetězcem a maximálně 4 atomy uhlíku, symbol X značí halogen (chlor, brom) jako biologicky účinná látka.-O (CH 2 ) 4 (I), wherein R stands for alkyl and straight or branched chain and at most 4 carbon atoms, X stands for halogen (chlorine, bromine) as a biologically active substance. 2.2. Způsob přípravy l-{4-£4-(2-tetrahydropyranyloxy)butoxyJfenyl)alkyleateru 3-(2,2dihalogenethenyl)-2,2-dimethylcyklopropankarboxylové kyaeliny obecného vzorce I podle bodu 1 vyznačený tím, že ae nechá reagovat hydroxyalouČenina obecného vzorce IIA process for the preparation of 1- (4- (4- (2-tetrahydropyranyloxy) butoxy) phenyl) alkyl ester of 3- (2,2-dihalogenethenyl) -2,2-dimethylcyclopropanecarboxylic acid of formula (I) according to claim 1, characterized in that it is reacted with hydroxyaluminum compound of formula (II). CH(OH)R (II), kde symbol R má výše uvedený význam CH (OH) R (II), wherein R is as defined above 8 organickou kyselinou obecného vzorce III8 is an organic acid of formula III X9C«CH-CH-CH-COOH 2 \/X 9 C-CH-CH-CH-COOH 2 \ / C(CH3)2 kde symbol X má výše uvedený význam (III),C (CH 3 ) 2 wherein X is as defined above (III), CS 271126 Bl za přítomnosti katalytického množství 4-dimethylaminopyridinu a ekvimolárního množetví dicyklohexylkarbodiimidu při teplotě 10 až 20 °C nebo s chloridem či anhydridem organické kyaeliny za přítomnosti ekvimolárního množství bezvodého pyridinu při 20 aŽ 60 °C.CS 271126 B1 in the presence of a catalytic amount of 4-dimethylaminopyridine and an equimolar amount of dicyclohexylcarbodiimide at a temperature of 10 to 20 ° C or with an organic acid chloride or anhydride in the presence of an equimolar amount of anhydrous pyridine at 20 to 60 ° C.
CS884202A 1988-06-16 1988-06-16 1-(4-/4-/2-tetrahydropyranyloxy/butoxy/phenyl/alkyl ester of 3-/2,2-dihalogenethenyl/-2,2-dimethylcyclopropancarboxyl acid as biologically active substance and method of its preparation CS271126B1 (en)

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