Herbicidal composition in the form of suspending concentrate

专利摘要:
A pyrazolesulfonamide derivative represented by Formula (I): wherein Q, m, R, B, D, E, W and G are as defined in the specification. The compound is useful as herbicide having not only an excellent killing effect on weeds but also the selectivity on certain crops. Useful processes for synthesizing the compound are also disclosed.
公开号:SU1701104A3
申请号:SU884355111
申请日:1988-02-08
公开日:1991-12-23
发明作者:Ямамото Сусуму；Какута Такуя；Сато Тосиаки；Моримото Кацуси；Ойя Еити；Икай Такаси；Навамаки Цутому
申请人:Ниссан Кемикал Индастриз, Лтд (Фирма)；
IPC主号:

专利说明:

This invention relates to chemical weed control agents, specifically to a herbicidal composition based on pyrazole sulfonamide derivatives.
The aim of the invention is to increase the herbicidal activity of the composition based on pyrazole sulfonamide.
Herbicidal compositions based on pyrazole sulfonamide derivatives of the general formula: В DX
XN- (
KN / S ° 2NHCONH4 / 3 IN4.
BUT
Y
0)
where A is a group of the formula
xl o
they are about to
ove her
0)
-Q
N-7 Qt
CH3
NW 3
H j
N
Q5
Cl n
-Q -O
Vсн3
Q2ci Q3
-QH or
Q6OCH3
6Q7
N, -o
Q / f
-o
NQ
ABOUT
4b.
 GO
C2H5
B is hydrogen or CH3;
D - group СООСНз, COOC2Hs, СО- or СООСзН-iso;
X and Y - each independently SNS or OCHN
can be obtained by reacting a pyrazole sulfonyl (thio) isocyanate derivative of the formula
In d
N —S02-N-C 0,
("ABOUT
where A, B, D have the indicated meanings, with an amino-pyrimidine derivative, an amino acid of riazine or an aminotriazole of the formula
Hnc
(W)
E is a hydrogen atom; G - group of formula
-about
m-
Y
in an inert solvent aqueous pyrazosulfonyl (thio formula
N
In d
TO.
h /
I
BUT
S09NHCOR It O
Where A, B, D and RI have the previously mentioned
meanings
with a derivative of aminopyrimidine, aminotriazine or aminotriazole of the formula
Hnc
Yo
(W)
where E and G are as previously defined, in an inert solvent.
Example 1. Synthesis of M- (4,6-dimethox-pyrimidin-2-yl) aminocarbonyl-4-ethoxycarbonyl-1- (2-pyridyl) pyrazole-5-sulfonamide (compound 4)
2.0 g of 4-ethoxycarbonyl-1- (2-pyridyl) pyrazole-5-sulfonamide, 0.82 g of methyl chloroformate and 1.4 g of anhydrous potassium carbonate in 50 ml of anhydrous acetonitrile are boiled under reflux for 4 hours. After completion of the reaction, the solvent is distilled off under reduced pressure. After dilution with ice water, insoluble products are filtered off and precipitated.
filtrate using dilute hydrochloric acid
The precipitated crystals are filtered off, washed with water and dried, and 2.2 g of M-4-ethoxycarbonyl-1- (2-pyridyl) pyrazole-5-sulfonyl methylcarbamate are obtained, mp. 127-129 ° C.
0.95 g of M-4-ethoxycarbonyl-1- (2-pyridyl) pyrazol-5-sulfonyl methylcarbamate and 0.41 g of 2-amino-4,6-dimethoxypyrimidine in 30 ml of toluene are boiled under reflux. current 6 h, gradually a little distilled toluene. In some cases, distilled toluene is added. After completion of the reaction, toluene is distilled off under reduced pressure.
Isopropyl alcohol is added to the residue, the mass is stirred, 1.1 g of the title compound are obtained in the form of crystals, m.p. 140-142 ° C.
In tab. Table 1 lists the proposed compounds in Table. 2 - properties of compounds.
Preparative composition 1 used in test example 4 (suspending concentrate) contains, in May,% Active ingredient - compound in test example 450.0
Surfactant Soprofol F110.0
Freezing point additive - ethylene glycol 5,0 Preservative - formalin 0,1 Thickness agent - xanthan gum 0.1 Water 34.8 Soprofol F1 - is polyoxyethylene styrylphenyl ether phosphate.
Preparative composition 2 used in Test Example 2.4 (suspending concentrate) contains, in wt%: The active ingredient is the compound in Test Example 320.0
Surfactant - Sorpol 33536.0
Additive lowering
freezing temperature, - ethylene glycol 15,0
Preservative - formalin 0,8
Thickener - xanthan copper 0,8 Voda57.4
Sorpol 3353 is a mixture of polyoxypropylene glycol (30%) and polyoxyethylene styrylfeiol ether (60%).
Preparative composition 3, used in Test Example 2, 4 (suspending concentrate), contains mss.%: Active ingredient - compound in Test Example 440.0
Surfactant - Soprofol F18.0
Additive that lowers the freezing point is ethylene glycol 12.0
Preservative - formalin 0,2
Thickener - xanthan gum 0,2
Water39,6
The proposed components are homogeneously mixed to form a suspension concentrate.
As a control compound, in Test Example 1-4, the following compound was tested:
mass
 3
ONH-O) N
MAIN
control compound A.
Example 2: Testing a herbicidal effect when treating stalks and leaves.
In plastic boxes 15 cm long, 22 cm wide and 6 cm deep, sterilized deluvium soil is placed, the following seeds are sown in it: (A) rice (Oryza sativa),
(B) millet of cocks (Echinochloa crusgalli),
(C) largecrabgrass (Digitaria and scendensj (D) annual fullness (Cyperus microiria), (E) black nightshade (Solatium nugrum L), (F) pubescent halinozog (galinosoga ciliata), (G) rorippa ssp (Korippa atrovirens), ( H) corn. (Zea mays), () wheat (Triticum vulgare), (J) con (glisinemax). (K) cotton (gossypium and (Z) sugar beet (Beta vulgaris), in the form of spots, respectively, then poured about 1.5 cm of soil per seed. After sprouting the respective plants to the second and third leaf stages, spray 1 herbicide evenly into leaf-stem sections in a predetermined amount of the active ingredient.
When spraying, the wettable powder, as indicated in the recipes, is diluted with water and sprayed onto the entire surface of the leaves and stems of various weeds with a small sprayer.
Four weeks after spraying, a herbicidal effect is evaluated on
crops, including rice and the like, and various weeds in accordance with the following evaluation criteria: dose of more than 90% growth control (almost complete) 5; 70–90% growth control dose 4; dose of growth control by 40-70% 3, by 20-40% 4, by 5-20% 1, less than 5% (practically no effect) Oh,
Reduced growth control doses (%) are determined by measuring the mass of fresh
the upper parts of the treated plants and untreated plants, and calculated by the following formula:
Dose
control
growth
Mass top of fresh treated plants
The mass of the top of fresh untreated plants
jcWO
Example 3. Test on sugar beet hazards of damage to agricultural chemicals.
In plastic boxes 15cm long.
22 cm wide and 6 cm deep, the soil is sterilized with deluvium and the following seeds are sown from the form of spots: (L) sugar beet (Beta vulgaris). (M) Cockerel (Xanthlum strurium), (N) Wild
mustard (Sinapis arvensls), (E) black nightshade (Solanum nlgrum L), (0) grasping bedworm (galium aparine), then about 1.5 cm of soil is poured. After growing the relevant plants to the stage
The second and third leaves spray uniformly herbicides onto the surface of the leaves and stem with predetermined quantities of the active ingredient.
20 days after the treatment, the herbicidal effect on the weeds and the danger of damage by the agricultural chemicals of sugar beet are evaluated.
Example 4. Damage test with agricultural wheat chemicals.
In plastic boxes 15 cm long, 22 cm wide and 6 cm deep, sterilized deluvium soil is placed and the following seeds are sown as spots: (I) wheat (Triticum vulgare), (P) oat (Avena fatua), then the seeds cover approximately 1, 5 cm of soil. After the respective plants grow to the stage of the third and fourth leaf, they are uniformly sprayed with herbicides on the site of the stem-leaves with predetermined quantities of the active ingredient.
20 days after treatment, the herbicidal effect on weeds and wheat damage is evaluated.
The test results of the re-operative composition 1, test example 4, are given in Table. 3; Composition 2, an example of the tests - in table. four; Composition 3, an example of test 2, in the table. five; Compositions 1, test example 3, - in table. 6, compositions 2, test example 3, - in table. 7; Composition 3, an example of test 3, in table. eight; compositions 2, an example of test 4, in the table. 9.

权利要求:
Claims (1)
[1]
Invention Formula
The herbicidal composition in the form of a suspending concentrate, comprising the active substance — a pyrazole sulfonamide derivative, a surfactant, and water — which, in order to increase the herbicidal activity, contains a compound of the general formula as pyrazole sulfonamide.
In dx
CHN4
KN / S02NHCONH4 3 IN i
Y
e A - group
-D -O
N-Qi
CH3 N
about
N-QS
VCH3 Q2
 . J)
cu
about
ÑН
Q:
ct
N-A
-o
Q
N
ci
-U
Ts | -
OR
-about
m-
eight
OCH3C2H5 Q
V-NeilSnz,
D - СООСНз, СООСаНв, СООСзН-п or СООСзН -изо;
X and Y are each independently CH3 or CCH3, provided that A is 02, D is COOCH3 or COOCaHs, X and Y are simultaneouslyCN3 or CCH3 when A is Oz, D is COOCH3 or CO-OCaHs, X and Y are CCH3 A - 04, Qs or 0.7, B - H, D - СООСНз, X and Y - ОНЗ, when А - СЫ, О or Oz, В - Н, D - COOCaHs, X and Y - ОНЗ, as surface-active substances - a mixture of polyoxypropylene glycol and polyoxyethylene styrylphenyl ether at a mass ratio of 3: 6 or polyoxyethylene styrylphenyl ether phosphate and additionally contains an additive that lowers the freezing point — preservatives - formalin and thickener - xanthan gum with the following gradients ingre- Content, wt.%:
Active Substance20-50
PAV6-10
Additive 5-15
Preservative substance 0.1-0.8 thickener 0.1-0.8
Voda34,8-57,4
Priority on the grounds: 01/18/85 with A-Qi, B-CH3, D-СООСНз, СООС2Н5, СООСзН, X and Y is independent of СНз or ОНз.
04/13/85 for A - 02, Oz, QA Qs, Ob, B hydrogen,
10/22/85 at A-Ol, 0.8.
Table 1
In d
X
Table
Tablitseb
Table
Continuation of table 7
Table
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 S 5 5 5
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
five
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
About About About About 1 About
oh oh
oh oh oh oh 1 oh oh oh oh
Continued table. eight

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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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JP680085|1985-01-18|

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JP7878485|1985-04-13|

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JP23678085|1985-10-22|

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