前苏联专利SU1466634A3 Method of controlling undesirable vegetation

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专利说明

权利要求

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引用文献

法律状态

优先权

专利摘要:
Die Verbindungen der allgemeinen Formel (I) worin X 0 oder -SO2-, Y CH oder N, R, Alkyl, Alkenyl oder (C2-C6)-Alkinyl, die gegebenenfalls substituiert sind, R2 Alkyl, Alkenyl, Alkinyl oder Cyclohexyl, R3, R. H oder Alkyl, R5, R6 H, (subst.) Alkyl, (subst.) Alkoxy, Halogen, Alkylthio, Mono- oder Dialkylamino bedeuten, sowie deren Salze besitzen vorteilhafte herbizide Eigenschaften gegen mono- und dikotyle Schadpflanzen und eignen sich zum selektiven Einsatz in Großkulturen. Sie besitzen außerdem gute pflanzenwachstumsregulierende Wirkung.
公开号:SU1466634A3
申请号:SU843757901
申请日:1984-07-06
公开日:1989-03-15
发明作者:Виллмс Лотар；Мильденбергер Хильмар；Бауер Клаус；Бюрштел Хельмут；Бирингер Херманн
申请人:Хехст Аг (Фирма)；
IPC主号:

专利说明:

one .
This invention relates to chemical methods for controlling weeds and undesirable vegetation.
The aim of the invention is to enhance the herbicidal effect on weeds and unwanted vegetation.
Example 1. Preparation of 1- | (N-methylsulfonyl-N-methyl) aminosulfonyl-J-3- (4-methoxy-6-methyl-yirimidin--2-yl) urea.
13.9 g (0.1 mol) of 2-amino-4-methoxy-6-methylpyrimndin is suspended in 150 ml of dichloromethane and the resulting suspension is stirred for 21 hours with 21.4 g (0.1 mol) (N -methylsulfonyl-N methyl) sulfonyl isocyanate in 50 ml of dichloromethane. After this, stirring is continued for another 15 hours at room temperature and the product is precipitated with n-hexane. Obtain 20.4 g (58%) of the final substance with t. Sh1. 118-120 °.
Under similar conditions, other substances were obtained, presented in Table. one.
Example 2. Experiments on pre-treatment.
The seeds or roots of experimental plants are planted in special pots filled with G.SH1NOSTY soil, and this soil is treated with an aqueous suspension or emulsion of the active substance. After this plant is grown under greenhouse conditions for three weeks and the coat of arms is visually assessed. 4
o :) o: o with
four

cm
cid effect (lesion efficiency, expressed as a percentage) on a scale of one to two:
ABOUT
20
40
60
80
20 40 60 80 100
The results of the experiments are presented in table 2 and 3.
Example 3. Experiments on post-germination treatment.
Experimental plants grown under greenhouse conditions up to the stage of three pkstevs are treated with suspensions or emulsions of active substances and three weeks after the treatment, the germicidal action is evaluated according to the rating scale described in Example 2
The results of the experiments are presented in table 4 and 5.
For comparison, known herbicides were used.
1 j№3) 2- -Goods O)
(BUT)
0
oh nn
J
OHi-so2 JHCNH4 O; N,
(AT)

权利要求:
Claims (1)
[1]
13 claims
A method for controlling undesirable vegetation by treating it or the soil on which it grows is a sulfonylurea derivative, characterized in that, in order to enhance the herbicidal effect, a compound of the general formula is used as a sulfonylurea derivative:
,, R
- / rsNr
ABOUT
2 N-SOi-NHCNH- o) E
N4,
R
where R is methyl, ethyl, chloromethyl.
R r
3 4 1-chloroethyl, 3-chloropropyl.
vinyl;
C - C3-alkyl, allyl;
methyl, methyloxy, chlorine;
methyl, methyloxy, ethyloxy;
thirty
E-CH or-N-, or its ammonium salt, in the amount of 0.04-2.5 kg / ha.
Tables a1
N
R
About SO; f-NHCNHH: O} E
%
N
R
: O} E
Table 3
2 1
Oh oh
3 2 1 About
5 5 5 1
5 5 5 3
5 5 5 5
5 5 5 4
5 5 5 1
5 5 3 1
5 5 2 О
4 3 1 O
1466634
10 Continued tabl. 3
n
1466634
Compound
6
7
eight
9
ten
eleven
12
13
14
15
sixteen
17
18
nineteen
21
Evaluation of the herbicidal effect on the testic solutions.
ba
Mustard
five
five
five
five
five
five
five
five
five
3
five
four
five
five
five
Amaranth
Z
five
five
five
five
four
five
five
five
five
four
five
five
five
five
five
Mokritsa
four
five
five
five
five
five
four
five
five
3
four
four
five
five
five
Wild oats
2
2
3
2
five
four
2
one
one
ABOUT
one
2
one
2
five
-Tezhov
The yearbook
four
four
five
five
five
five
five
five
four
2
3
five
five
four
five
Dose of the active substance 2.5 kg / ha

3 2 1 About
5 5 4 2
5 4 4 3
5 5 5 5
5 5 5 5
Compound A
2
one
ABOUT
ABOUT
Compound
five
four
3
one
3 2 О О В 5 4 3 1
Connection1
55
54
53
43 Compound2
55 55 55
41 Compound3
55 55 55 55
12
Continuation of table 4
but
score
the tortures
anyway
2
2
3
2
five
four
2
one
one
ABOUT
one
2
one
2
five
-Tezhov
The yearbook
Chaff
four
four
five
five
five
five
five
five
four
2
3
five
five
four
five
four
3
four
3
five
five
four
four
five
one
3
3
3
3
five
Table 5
3 2 О О В 5 4 3 1
five
four
3
3
5 5 5
one
5 5 5 5
1 About About About
3 2 1 About
3 2 1 About
5 5 3 o
5 5 5 2
one
LTD
3
2
one
ABOUT
3 2 1 About
5 5 3
one
5 5 5 2
13
1466634
14 Continuation of table 5
15
Connection 35
1466634
16 Continuation of table 5

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ZA845217B|1985-02-27|

DK166148B|1993-03-15|

HU195613B|1988-06-28|

NL981003I1|1998-09-01|

DK335284A|1985-01-10|

IL72342A|1988-05-31|

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DE3479581D1|1989-10-05|

BR8403383A|1985-06-18|

EP0131258A3|1986-08-27|

IL72342D0|1984-11-30|

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JPH072724B2|1995-01-18|

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US4601747A|1986-07-22|

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AU564963B2|1987-09-03|

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CA1225640A|1987-08-18|

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EP0131258B1|1989-08-30|

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法律状态:

优先权:

申请号 | 申请日 | 专利标题

DE19833324802|DE3324802A1|1983-07-09|1983-07-09|NEW N-ALKOXY AND N-ALKYLSULFONYLAMINOSULFONYL UREAS, AND NEWTRIAZINO-THIADIAZINOXIDES AS PRE-PRODUCTS|LV930306A| LV5359A3|1983-07-09|1993-05-07|The plowing is not for the eradication of involuntary plants|

LTRP747A| LT2179B|1983-07-09|1993-07-01|THE FIGHT AGAINST UNDESIRABLE AUGUST|

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