NZ200658A - Pesticidal compositions containing triazine derivatives and phenoxy-benzene derivatives - Google Patents
Pesticidal compositions containing triazine derivatives and phenoxy-benzene derivativesInfo
- Publication number
- NZ200658A NZ200658A NZ20065882A NZ20065882A NZ200658A NZ 200658 A NZ200658 A NZ 200658A NZ 20065882 A NZ20065882 A NZ 20065882A NZ 20065882 A NZ20065882 A NZ 20065882A NZ 200658 A NZ200658 A NZ 200658A
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- formula
- compound
- active ingredient
- lie
- ingredient combination
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Description
New Zealand Paient Spedficaiion for Paient Number £00658
006 5 8
HQ DRAWINGS
Priority Date(,s).
iB#r#i«'«••••'
S'O'A^'^5..'
Publication Date: ]^X?>^<
P.O. Journal,
Patents Form No.5
NEW ZEALAND
PATENTS ACT 1953
COMPLETE SPECIFICATION "PESTICIDAL COMPOSITIONS"
~Ir,WE CIBA-GEIGY AG, a Swiss Corporation, of Klybeckstrasse 141, 4002 Basle, Switzerland,
hereby declare the invention, for which-I-/we pray that a patent may be granted to me/us, „and the method by which it is to be performed, to be particularly described in and by the following statement:-
(foNowcd by page 1 A.)
200658
- l #-
Gaoo 5-13168/65-
Pesticidal Compositions
The present invention relates to novel insecticidal and acaricidal compositions which contain an active ingredient combination, together with one or more inert adjuvants, and to the use of said combination,or of a composition containing it,for controlling insects and mites of the order Acarina.
The control of pests is increasingly giving rise to serious problems which involve environmental pollution on the one hand, and the development of resistance on the other.
Although a wide range of pesticides is available, increasing environmental pollution puts a limit to the use of chemical substances. However, if there is no longer any guarantee of the total destruction of a pest population, including its various development stages, as a consequence of low rates of application, then the development of resistance to the chemicals employed is promoted. This resistance leads to the build-up of pest populations which are not adequately controlled, or which can no longer be controlled at all, by the compounds originally employed. Resistance can be built up not only to individual compounds, but also to classes of compounds. It is therefore desirable in pest control to use compositions which hinder the development of resistance when employed in environmentally tolerable rates of application.
Accordingly, it is an object of the present invention to provide compositions for controlling insects and mites of the order Acarina, in particular parasitic mites and, most particularly, mites which are parasites of animals, with which compositions pests are effectively controlled using
20065
environmentally tolerable rates of application, while substantially avoiding the development of resistance.
The compositions of the present invention contain an active ingredient combination which consists of a compound of the formula I
nh2
/v. (I)
H„N-V »-NHR
2 V
in which R is a cyclopropyl or an isopropyl group, and a compound selected from the group consisting of a-cyano-3-phenoxybenzyl 3-(1,2-dibromo-2,2-dichloroethyl) 2,2-dimethyl-cyclopropanecarboxylate of the formula Ila
0 CN . 0 .
Z\/\/\ (Ha)
BrCl C - CHBr - CR - CH - C - 0 - CH -•
C *
I3xch3
cUSH. ^
3-phenoxybenzyl (IRS)-cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate of the formula (lib)
C1\ 11 /\/°\/\ /T-n.\
)c = CH - CH-- CH - C - 0 - CH2 -• • J f, (Hb)
p/ P • • • •
C1 / \ ^ ^ /
CH3 CH3
lH-indene-l-spiro-1'-[2,2-dimethyl-3-({a-cyano-3-phenoxybenzyl}--oxycarbonyl)-cyclopropane] of the formula lie ph 0 CN
\3 II I /\/°\/\ (He)
CH —•—/ " C - 0 - CH -• • • •
^ / \/
^ \ / \
• • •
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(RS)-n-cyano-3-phenoxybenzy1 (RS) -2-(4-chlorophenyl)-3-methylbutyrate of the formula lid
CH, CH,
Xc/ 0 CN . 0 .
f \ L 'i _ L s x
»
\ /
Cl-< >- CH - C - 0 - CH • • •
• • • •
and (RS)-a-cyano-3-phenoxybenzyl (IRS)-cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate of the formula He CI
CI
\ fi 5N /°\
/^H-C^H-ci-O-iH-j • • • (ne)
r • • •
CH CH3
The individual compounds of vhich the active ingredient combination is composed are known pesticides and can be prepared by known methods.
The compound of the formula I, in which R is a cyclopropyl group, is described in New Zealand patent specification No. 184953; and the compound of the formula I, in which R is an i propyl group, is known from J. Med. Chem 1JD (1967), 457. The compound of the formula (Ila) is disclosed in New Zealand Patent Specification No. 186 44 8. The compound of the formula lib is disclosed in Nature (London), 1973, 246, 169, and is known as permethrin. The compound of the formula lie is disclosed in N.Z. patent specification 180004 and is known as cypothrin. The compound of the formula lid is disclosed in British patent specification 1 439 615 and is known as fenvalerate. The formula lie is disclosed in the Pesticide Manual, 6th Ed., 1979, and is known as cypermethrin. The Pesticide Manual is published by the British Crop
Protection Council.
Surprisingly, it has now been found that the active ingredient combination in the compositions of the invention
2006 5 8
has a synergistic effect, i.e. that it significantly exceeds the additive effect of the individual components.
The weight ratio of a compound of the formula I to a compound of the formula 11a, lib, lie, lid or lie in the active ingredient combinations of the invention is in the range from 1:100 to 100:1. To bring about the synergistic effect, the preferred range is from 1:10 to 10:1.
The invention on which the compositions are based is illustrated by the following Example. The determination of the synergistic effect is carried out by the method of Y.P. Sun and E.R. Johnson for determining the biocidal activity of compound mixtures on specific species [J. Econ. Entomol. 5_3, 887 (I960)]. In this method, the synergistic effect of the combination of active ingredients is determined by comparing the dose/action curves of the combinations and their individual components, using the co-toxicity indices, and is calculated as follows:
IR5q theory co-toxicity index CI = —
_l_iv £- q U 6 s u
In this equation, IR^q denotes the concentration of the active ingredients, or combinations thereof, in ug/ml at which no reproduction of 507o of the test organisms takes place.
The theoretical IR^q value expected of an active ingredient combination is based on the assumption of an additive effect of both the individual components and is calculated by the formula for the harmonic mean:
200658
1
IRj-q theory a
b
+
wherein a is the proportion of compound A and b the proportion of compound B, relative to the total weight of the combination A + B.
Active ingredient combinations with a synergistic, i.e. more than additive, action of the two individual components give co-toxicity indices with values of ^>1.
Example 1:
Fully replete ticks (Boophilus microplus ?$) of the organo-phosphorus-resistant strain Biarra, in groups of 40, are fixed in the dorsal position in Petri dishes of 9 cm diameter and treated with freshly prepared solutions or suspensions of the active ingredients and of active ingredient combinations in standard WHO water. Sufficient liquid is poured into each dish that the ticks are completely immersed. After 1 hour the liquid is poured off and any drops still remaining are shaken off. The Petri dishes with the ticks are then dried overnight at room temperature and subsequently incubated for 4 weeks at 28°C and 807o relative humidity until oviposition has taken place and the larvae have hatched out.
The criteria used for evaluating the activity of the tested compounds and compound mixtures are: the mortality and sterility of the treated female ticks as well as the inability of the eggs to hatch. These effects are used to evaluate the inhibition of reproduction (IR).
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A dilution series at different concentrations is used for each active ingredient or combination of active ingredients, and the corresponding dose/action curves and the IR^q are determined by the method of Berkson (J. Am. Stat. Assoc. 48, 565, 1953).
The co-toxicity values are then determined from the values obtained for IR^q test and IR^q theory (Table 1). Combinations of compounds of the formulae I, Ha and lid are tested.
Combination components:
h2N .
f2
(compound of the formula I)
p2
A2 =
H„N-
■A
CH,
i/
—NH-dl . 3
CH„
(compound of the formula I)
B = compound of the formula Ila C = compound of the formula lid
200658
Table 1
Compound /c omp ound mixture
Weight ratio of the mixture
IR<_q test jig/ ml
IR^q theory ^ig/ml
Cotox. index
A1
-
§>15000
-
-
b
-
7.7
-
-
A^B
9:1
11.4
76.6
6.72
Al:B
1:9
4 .1
8.6
2.08
C
-
.1
-
-
A1:C
1:1
8.8
.2
2.29
A2
-
^>15000
-
-
b
-
7.7
-
-
A2:B
9:1
.6
76.6
7.23
A2:B
1:1
.2
.4
2.96
A2:B
1:9
4.0
8 .6
2.15
C
-
.1
-
-
A2:C
1:1
9.9
.2
2.03
For controlling insects and mites of the order Acarina, the active ingredient combinations can be used by themselves or in the form of compositions which contain an active ingredient combination together with one or more inert adjuvants. Suitable inert adjuvants are solid and liquid, natural or regenerated substances conventionally employed in the art of formulation, e.g. solvents, dispersants,
wetting agents, tackifiers, thickeners or binders.
The active ingredient combinations can be processed to formulations such as dusts, emulsifiable concentrates, granulates, dispersions, sprays, solutions or suspensions. It is also possible to use liquid, in particular, aqueous
200658
preparations or concentrates of active ingredient combinations for plunge dips, spray races, pour on solutions and manual methods of application (handspray and hand-dressing).
The compositions of the present invention are conveniently prepared by intimately mixing and/or grinding the active ingredient combinations with suitable adjuvants, with or without the addition of dispersants or solvents which are inert to the active ingredients. The active ingredient combinations can be processed e.g. to the following formulations:
solid formulations: dusts, tracking powders, granulates;
liquid formulations:
a) solutions b) water-dispersible concentrates of the active ingredient combinations: wettable powders, pastes, emulsions.
The compositions of the invention advantageously contain 2 to 807o by weight, preferably 5 to 507, by weight, of active ingredient combination.
Example 2:
Wettable powder
The following ingredients are intensively mixed in a mixing apparatus: 5 to 50 parts of an active ingredient combination, 5 parts of an absorbent carrier (silica gel K 320 or Wessalon S) , 35 to 80 parts by weight of a carrier (Bolus alba or kaolin B 24) and a dispersing agent mixture consisting of 5 parts of a sodium laurylsulfonate and 5 parts of an alkyl-aryl polyglycol ether. This mixture is ground to a granular size of 5-15 jim in a disc attrition mill or air jet mill. The resultant wettable powder gives a good suspension in water.
Claims (9)
1. An insecticidal and acaricidal composition which, together with one or more inert adjuvants, contains an active ingredient combination consisting of a compound of the formula I NH A- (I) H N—i ,11—ffflR 2 V in which R is a cyclopropyl or an isopropyl group, and a compound selected from the group consisting of a-cyano-3-phenoxybenzyl 3-(1,2-dibromo-2,2-dichloroethy1) 2 , 2-dime thy 1-eyelopropanecarboxylate of the formula Ha BrCl^C - CHBr - CH^- ,CH - C - 0 - CH - du "CH 0 CN 11 * 1 /\A/\ (Ha) Kf h 3 i ii i it • • • • V V/ 3-phenoxybenzyl(lRS)-cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate of the formula lib C1\ 11 (lib) C = CH - CH^-^CH - C - 0 - CH2 f, j * cr A % /' % / CK3 CH3 lH-indene-l-spiro-11 -[2 , 2-dimethy1-3-({a-cyano-3-phenoxybenzyl}-oxycarbonyl)-cyclopropane ] of the formula lie ru 0 CN \3 " ' AAA (IIc) CH3 \7*"c" o" CH Y r, < r. s \ / \ I I! • •— *> / rs U 7 •• 4 9 - 11 - 200658 (RS)-a-cyano-3-phenoxybenzy1 (RS)-2-(4-chloropheny1)-3-me thy lbutyrate of the forrriula I Id ch3 CH3 Xc/ 0 CN „ . (lid) * \ 1 11 L * x ^ \ Cl-< )- CH - c - 0 - Ch -• • • „ > / • • • • and (RS)-a-cyano-3~phenoxybenzyl (IRS)-cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate of the formula lie C \ B 5? AAA C=CK-CH-rCH-C-0-CH-: • • •C=CK-C«-^CH-u-u-un-- - y f| (IIe) A % / % / -,V ch3 • • •1 i
.2. A composition according to claim 1, wherein the weight ratio of a compound of the formula I to a compound of the formula Ila, lib, lie, lid or lie in the active ingredient combination, is from 100:1 to 1:100.
3. A composition according to claim 2, wherein the weight ratio of a compound of the formula I to a compound of the formula Ila, lib, lie, lid or lie in the active ingredient combination, is from 10:1 to 1:10.
4. A method of inhibiting the reproduction of insects and parasitic mites belonging to the order Acarina, which comprises the use of an active ingredient combination consisting of a compound of the formula I and a compound of the formula Ila to lie , according to any one of claims 1 to 3.
5 . A method of inhibiting the reproduction of ticks, which oanprises the use of an active ingredient combination consisting of a coir,pound of the formula I with a compound of the formula Ila to lie, according to any one of claims 1 to 3. - 12 - / 200658
A method of inhibiting the reproduction of insects which ocrrorises the use of an active ingredient combination consisting of a compound of the formula I with a compound of the formula Ila to lie, according to any one of claims 1 to 3.
7. A method of inhibiting the reproduction of insects of the order Diptera which comprises the use of an active ingredient combination consisting of a compound of the formula I with a compound of the formula Ila to lie, according to any one of claims 1 to 3.
8. A method of inhibiting the reproduction of insects of the order Diptera which belong to the family Calliphoridae, which comprises the use of an active ingredient combination consisting of a compound of the formula I with a compound of the formula Ila to lie, according to any one of claims 1 to 3.
9. A method of inhibiting the reproduction of insects of the genus Lucilia belonging to the family Calliphoridae, which comprises the use of an active ingredient combination consisting of a compound of the formula I with a compound of the formula Ila to lie, according to any one of claims 1 to 3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ20065882A NZ200658A (en) | 1982-05-18 | 1982-05-18 | Pesticidal compositions containing triazine derivatives and phenoxy-benzene derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ20065882A NZ200658A (en) | 1982-05-18 | 1982-05-18 | Pesticidal compositions containing triazine derivatives and phenoxy-benzene derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
NZ200658A true NZ200658A (en) | 1985-08-30 |
Family
ID=19919970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NZ20065882A NZ200658A (en) | 1982-05-18 | 1982-05-18 | Pesticidal compositions containing triazine derivatives and phenoxy-benzene derivatives |
Country Status (1)
Country | Link |
---|---|
NZ (1) | NZ200658A (en) |
-
1982
- 1982-05-18 NZ NZ20065882A patent/NZ200658A/en unknown
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