Insecticidic composition

专利摘要:
1356087 α - Cyanobenzylcyclopropanecarboxylates SUMITOMO CHEMICAL CO-Ltd 27 June 1972 [29 June 1971] 30140/72 Heading C2C α - Cyanobenzylcyclopropanecarboxylates of the general formula wherein A is O or CH 2 , R 1 and R 2 are each independently, Hal or a C 1-4 alkyl group, R 3 is H or CH 3 , R 4 is H, CH 3 , C 6 H 5 or in which R 5 is H or CH 3 and R 6 is H, CH 3 , methoxycarbonyl or methoxy methyl group, or R 5 and R 6 together form a polymethylene group, provided that when R 3 is CH 3 , R 4 is a hydrogen or CH 3 group, and m and n are independently 0, 1, 2 or 3 are claimed per se. The compounds may be prepared by either reacting a cyclopropane carboxylic acid or a reactive derivative thereof of formula with a compound of formula wherein B is OH, Hal or a tosyloxy group or reacting a cyclopropane carboxylic acid halide of formula where X is halogen with an aldehyde of formula in the presence of sodium or potassium cyanide and optionally in the presence of an aprotic solvent. The compounds are used as pesticides and herbicides.
公开号:SU738493A3
申请号:SU762404902
申请日:1976-10-04
公开日:1980-05-30
发明作者:Мацуо Такаси；Итая Нобисиге；Окуно Еситоси；Мизутани Тосио；Охно Нобуо；Китамура Сигееси
申请人:Сумитомо Кемикал Компани, Лимитед (Фирма)；
IPC主号:

专利说明:

one
The invention relates to chemical means of plant use, namely, insecticidal compositions based on cyclopropanecarboxylic acid derivatives.
Known insecticide, act
the beginning of which is 1-methyl-2-allyl-3-oxyindanthrianemate (allethrin) I 2,
Also known is an insecticide, the active principle of which is 3 phenoxy-g-benzyl-2, 2, 3, 3-tetramethylcyclopropanecarboxylate 1.
However, known compounds do not possess sufficient insecticidal activity.
The aim of the invention is to find new insecticidal compositions with high insecticidal activity. .
This goal is achieved using an insecticidal composition containing a cyclopropanecarboxylic acid derivative as an active substance of the formula
CH
xRi

CH-C. If / Rt U /
WITH
/
CHj CHj
where A is oxygen, methylene group;
Rj is chlorine, bromine, hydrogen, fluorine, methyl, ethyl; .
R 2 is hydrogen, methyl,.
R ,, is hydrogen, methyl or a group
ABOUT
/ R4
- fu g f. -
- CH With

five
ten
where cd is a mall;
R is hydrogen, methyl, methoxycarbonyl, methoxy-. tilna group or R. and Rr, together form 15 cyclopentyl.
The content of active substances in the composition is from 0.01 to 95 wt.%, The rest is additive.

K-Cyanobenzylcyclopropanecarboxylates of formula I are obtained by reacting cyclopropanecarboxylic acid or a reactive derivative of its derivative represented by the formula
25
., Rj
NOSE - CH - with
;
one
thirty
CHj SNS
where Rj, and Rj have the specified HEMHfC compound of the formula
in which A, Rf have the previously mentioned meaning and B is a hydroxy group, tosyloxy or halogen.
Alternatively, the cyanbenzylcyclopropane carboxylate formulas are obtained by reacting a halo-anhydride of the formula
g
W-Sn:
and h /
and
° / h
in which Rg and Rj, have earlier enchchenie., and X - halogen with the guide formula
eno
,, Q, .y /
 , (-one
in which A, Rj have said anchoring, in the presence of sodium cyanide or potassium and in a suitable solvent,
. In this way, the following soybeans are obtained, but not ai
/ SNZ
b.N S
ar
OS-CH-.SM.
/
ch 5
 -
- SNZ
Z-phenoxy-L-cyanobenzylchrieanatemat p 1,5488
 about
/ Y / ynz
°
/ OS-SG
- / oJ at csif g
3 - phenoxy-c (, - cyano6eneyl 2, 2 f З, g 3 -tetramethylcyclopropacarboxylate, p 1,5283
xfiHj-dHji
1 yNg- SI CH-CIl
one- /
;
SKZ CRj
3-phenoxy-L-cyanobenzyl 2,2-dimethyl-3-cyclopentylcenemethylcyclopropanecarboxylate J p 1.5420
/ SNZ
,
) -OS-SHN
/ and N /
: YY7G /
sleep
bs-H CHZ SKZ4
3- (p-5slorfohenoxy) c-cyanobenzyl-2, 2,3,3-tetramethylcyclopropanecarboxylate, p 1.5517.
about
Compounds 13-20 are presented in Table 1;
7384936
i T a l l to c a 1
5313
p 1.5430
a "5
p 1,5327
, 5430
% H, o- -sn - Xh2z
3- (p-chlorobenzyl) -ot-cyanobenzyl-2, 2, 3, C-tetramethylcyclopropanecarboxylate
, cn / s
s see 1.5471
IB
3- (p-fluorobenZIL) - ".- cyano, benzyl-2, 2, 3-3 -tetramethylcyclopropanecarboxylate
By .
5278
3- (p-bromobeneyl) -l g-cyanobenzyl-2, 2,3,3-tetramethylcyclopropanecarboxyls
Continued tabl, 1
p1ch, 5397
Forms of application of means - usual, emulsions, powders, solutions,
They are obtained by means of - common
in the manufacture of preparative forms. pesticides.
Example 1: Compounds of the present invention 1, 2, 7 and 81 and known compounds are dissolved in acetone and adjusted to the concentration required for the tests. Each solution was applied to the dorsumprothorax of adult domestic flies and to the head and tail, found in the winter hatch of rice pest larvae, after one day for domestic flies and after three days, the larvae were counted alive and dead to calculate the value.
The results are shown in table 2. table 2
18
0.72
1143
34
0.38
727
(known) In
Example 2. Compounds of the present invention 1, 2, 4-8 and known compounds are brought to the concentration required for testing with deodorized kerosene. In the glass chamber (70 ci separately, about 20 adult domestic flies and 20 northern mosquitoes are admitted with a glass sprayer at a pressure of 1.5 kg / cm for those and others
Continued table.
evenly sprayed on a 7 ml oil solution of the substance. The number of stunned adult insects is counted after a certain time.
The test is repeated with each oil solution and from the results
calculate the KTjQ value (time to stun half of the insects). The results are shown in table.3.
is known
Table 3
65452 60
430
0.3
continuation of the table. 3
Example 3. Compounds of the present invention 1-6 and known compounds are dissolved in deodorized kerosene at various concentrations to form a sprayable solution. Each 5 ml is sprayed with a Kembelbel rotating table and the shutter is opened for 20 s after spraying.
A group of 100 adult houseflies are sprayed down for 10 minutes and then transferred to an observation cage, supplied with power and left to stand at a certain temperature.
A day later, dead and live insects are counted to determine flying concentration.
The test is repeated several times and the values of LC.- (flight concentrations required to kill half of the insects) are shown in Table 4.
Table
sngos-01-sh-sn /
/ 7 "
oh oh l
/ CHz CHj
Continued tabl. 4
known CQ)
Rheometrine
Pyrethrin
Tetramethrin
Alletrine
426 1,150 132 125 100
Example 4. 25 parts by weight of each of the compounds of the present images 1, 2, 3, 5, 7 and 8 and the known compounds 25 parts by weight of Coprol SM-200 and 50.% by weight of xylene are uniformly mixed to obtain an emulsifying concentrator which is diluted to the desired concentration with pure water.
j a) In each 300 mi beaker, pour 200 MP of the emulsion brought to the indicated concentration and place a group of 20 larvae of the northern mosquito for 24 hours and calculate the airborne concentration; b) 10 rice plants, PB vavis 20 days after sowing, immersed in an emulsion, brought to
The proposed connection 1
2 3 5 7 8
the indicated concentration for 1 min, dried in air and then placed in a test tube, in which 15 adult tsitadok were already located, and the test tube was closed with cotton wool. After 24 h, LKo is calculated.
c) a branch of Himalayan cryptometry is immersed for 1 min in Etiilsia, prepared by diluting 2000 of each of the compounds, and placed in a Petri ‑ shank with a diameter of 14 cm and a height of 7 cm. Then a group of 10 larvae LendroClmus others are added and the cup is covered wire mesh. 48 hours, LC is calculated.
Results for LC550 (50% lethal concentration) for the mosquito and adult larvae were obtained from experiments repeated 3 to 5 times (Table 5).
NablitsaV
98000
100
190000 100
175,000 100
160000 100
67000 100 100
105,000
CH-CH-CH C
 /
/
CHj CHj

sn.
known (A)
37500
90
0.03
SNGOS-SN-SN-SI c .-)
 CMj SNS
-Snz
known - (g) allethrin
60 20

权利要求:
Claims (1)
[1]
32000 3500 Thus, the proposed compounds have good insecticidal activity. Invention An insecticidal composition containing derivatives of cyclopropanecarboxylic acid as an active substance and an additive selected from the GROUP carrier, solvent, emulsifier, characterized in that, in order to increase the insecticidal activity, it contains a compound of general formula o-c- as a derivative of cyclopropanecarboxylic acid Sn-C O. -J si, ch 1gd gd 10 15 pr cl 20 (pr to A - oxygen, methylene group; RJ chlorine, bromine, hydrogen, fluorine, methyl, ethyl R 2 - hydrogen, methyl; R ,, - hydrogen, methyl or group-en-s :, R 4. methyl; 5 in hydrogen, methyl methoxycarbonyl, methoxymethyl group or R and Rj together form cyclopentyl, in an amount of 0.01 to 95 wt.%, the rest is an additive. Sources of information taken into account in the examination of UK Patent No. 1243858, A 5 E 9/24, 25.06.71 totip). . Melnikov N.N. Chemistry pesticides. Chemistry, 1968, p. 150

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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JP46047808A|JPS515450B1|1971-06-29|1971-06-29|

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