CN1278807A - Herbicidal N-alkenyl Heteroaryloxyacetamides - Google Patents

Herbicidal N-alkenyl Heteroaryloxyacetamides Download PDF

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CN1278807A
CN1278807A CN98811197A CN98811197A CN1278807A CN 1278807 A CN1278807 A CN 1278807A CN 98811197 A CN98811197 A CN 98811197A CN 98811197 A CN98811197 A CN 98811197A CN 1278807 A CN1278807 A CN 1278807A
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ethanamide
thiazolinyl
basic oxygen
benzoxazole
basic
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CN1122665C (en
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H·S·巴尔特鲁沙特
T·W·牛顿
A·克莱曼
W·门格尔
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Wyeth Holdings LLC
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American Cyanamid Co
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    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
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    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
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Abstract

The novel compounds of formula (I) wherein Het represents an optionally substituted, optionally benzofused nitrogen containing 5- or 6-membered heteroaromatic group; R<1> represents an alkyl, alkoxyalkyl or cycloalkyl group; R<2> represents a hydrogen atom, and R<3> represents an alkyl group, or R<2> and R<3> taken together form a single bond or a methylene group; and R<4>, R<5>, R<6>, R<7> and R<8> independently represent a hydrogen atom or a C1-C4 alkyl group, with the provisos that at least two of R<4>, R<5>, R<6>, R<7> and R<8> must represent an alkyl group; and 2-(5-trifluoromethyl-1,3,4-thiadiazol-2-yloxy)-N-methyl-N-(3,5,5-trimethylcyclohex-1-enyl)-acetamide is excluded; and herbicidal compositions containing such compounds as active ingredients can be utilized in various agricultural methods.

Description

N-alkenyl Heteroaryloxyacetamides weedicide
Background of invention
The present invention relates to heteroaryl ethoxyacetic acid N-alkenyl acid amides, the preparation of this compounds contains the herbicidal composition of this compounds and suppresses the method for weed growth with this compounds.
For example, United States Patent (USP) 4,585,471 have disclosed a kind of compound with following general formula.
Figure 9881119700091
European patent application EP 0005501 has disclosed benzoxazole-2-basic oxygen yl acetamide and benzothiazole-2-basic oxygen yl acetamide, amido nitrogen-atoms is wherein replaced by hydrogen atom and/or alkyl, alkenyl, alkynyl, aralkyl, cycloalkyl or aryl, and above-mentioned substituting group can replace.Yet wherein not relating on 1 with respect to nitrogen-atoms is the alkenyl substitution compound of two keys, also cycloalkenyl group compound openly.
European patent application EP 0165537 has disclosed a kind of method for preparing benzoxazole-2-basic oxygen yl acetamide and benzothiazole-2-basic oxygen yl acetamide, and amido nitrogen-atoms wherein is by one or two allyl group, hexamethylene-a 1-thiazolinyl, hexamethylene-a 3-thiazolinyl or a vinyl substituted.Yet, wherein do not relate to the cycloalkenyl group compound that branched-chain alkenyl compound or alkyl replace.
International Patent Application WO 97/08160 has disclosed N-(1-sec.-propyl-2-methyl-1-propenyl)-heteroaryl oxygen yl acetamide.Yet, wherein do not relate to the amido nitrogen-atoms and have different alkyl chains and/or carbon atom assorted virtue oxygen yl acetamide more than 7 ketone formation enamine.
Though many known heteroaryl oxygen yl acetamides have certain weeding activity to multiple weeds, they still can not satisfy selectivity or persistent request fully.
Summary of the invention
Now, we are unexpected to find that new generalformula has excellent herbicidal when low dosage, and, compare with the compound that discloses in the above-mentioned patent and in farm crop, to have higher selectivity.
Figure 9881119700101
Wherein, but Het contains 5 or 6 yuan of heteroaryls that can replace the benzo nitrogen-atoms;
R 1Be alkyl, alkoxyalkyl or cycloalkyl;
R 2Be hydrogen atom, R 3Be alkyl, perhaps, R 2And R 3A common singly-bound or the methylene radical of forming;
R 4, R 5, R 6, R 7And R 8Each is hydrogen atom or C naturally 1-C 4Alkyl, but condition is:
A) R 4, R 5, R 6, R 7And R 8In at least 2 must be alkyl; And
B) can not be 2-(5-trifluoromethyl-1,3,4-thiadiazoles-2-basic oxygen base)-N-methyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide.
So, the invention provides new generalformula, control method for weed by crop is contacted with the herbicidally effective amount generalformula, contain the novel method of generalformula as the selective herbicidal composition and the preparation generalformula of activeconstituents.
Generalformula has good selective herbicidal activity and improves in such as farm crop such as rice, corn, cereal, soybean, beet, canola, Sunflower Receptacle or potatos soil degrading.Below describe in detail and will further represent above-mentioned and other purpose of the present invention and feature.
Detailed description of preferred embodiment
Unexpected discovery, new generalformula shows excellent herbicidal to multiple weeds, and shows the selectivity of height.
" but 5 or 6 yuan of heteroaryls that contain the benzo nitrogen-atoms " comprise azoles such as pyrroles, pyrazoles, imidazoles, oxazole, thiazole, thiadiazoles, azine-based compounds such as pyridine, pyrimidine, pyrazine, pyridazine and triazine at this.But the azoles of preferred benzo.
" Het " be thiadiazolyl group preferably, benzoxazolyl or benzothiazolyl, and they can be replaced by one or more halogen atoms or alkyl, haloalkyl or phenyl.
When claiming that group can be substituted, the substituting group that can exist can be to modify and/or develop herbicidal compound to use always in the substituting group any, particularly keep or strengthen the The compounds of this invention weeding activity, or influence the substituting group of effect persistence, soil or crop perviousness or other any ideal behaviores of described herbicidal compound.
Each several part at molecule can have one or more identical or different substituting groups.
Have in the part that can replace heteroaryl above-mentioned, optional substituting group comprises halogen, particularly fluorine, chlorine and bromine atoms, nitro, cyano group, amino, hydroxyl, C 1-4Alkyl, C 1-4Alkoxyl group, C 1-4Haloalkyl, C 1-4Alkenyl, C 1-4Halogenated alkoxy, C 1-4Aryl such as halogenated alkylthio and phenyl.Available 1-5 substituting groups, with 1-2 better, best with 1.
" Het " specifically is the group that is selected from general formula (1) and (2):
Figure 9881119700111
(1)
Figure 9881119700112
(2) wherein, R 9Be hydrogen or halogen atom or haloalkyl;
X is O or S;
Y is independently of one another, but is halogen atom or substituted alkyl;
N is 0-4 integers.
Y is preferably fluorine or chlorine atom or C 1-4Alkyl, C 1-4Fluoroalkyl, C 1-4Alkoxyl group or C 1-4Fluoroalkyloxy, especially chlorine atom.
Variable n is preferably 0,1 or 2, and preferably 0 or 1.
Particularly preferably be that X is the thiadiazoles derivative (1) and the benzoxazole derivative (2) of Sauerstoffatom in the formula I.
Usually, if any above-mentioned part has alkyl, unless otherwise indicated, they can be straight or brancheds, can contain 1-6 carbon atoms, are good with 1-4.Described group is methyl, ethyl, propyl group, butyl, isobutyl-and the tertiary butyl for example.The moieties of haloalkyl, halogenated alkoxy, halogenated alkylthio, alkylthio or alkoxyl group has 1-4 carbon atoms, is good with 1 or 2.
Usually, if any above-mentioned part has alkoxyalkyl, unless otherwise indicated, they can be straight or brancheds, can contain 2-6 carbon atoms, are good with 3-5.Described group is methoxymethyl, 2-methoxy ethyl, 3-methoxy-propyl, 2-methoxyl group-1-methylethyl and methoxyl group butyl for example.
" halogen " refers to fluorine, chlorine, bromine or iodine atom, is good with fluorine, chlorine or bromine.
Usually, if any above-mentioned part has haloalkyl, unless otherwise indicated, they can be straight or brancheds, can contain 1-6 carbon atoms, are good with 1-4.Described group is halogenated methyl, halogenated ethyl, halopropyl, halo sec.-propyl, halogenated butyl, halo isobutyl-and the halo tertiary butyl for example.The haloalkyl part of any group of this paper definition can comprise one or more halogen atoms, and halogen atom is good with fluorine, chlorine or bromine.Haloalkyl is preferably a fluorine, difluoro, trifluoro or perfluoroalkyl, especially trifluoromethyl, pentafluoroethyl group, 2,2, and 2-trifluoroethyl or 1,1,1-trifluoropropyl-2-base, best is trifluoromethyl.
R 1Be preferably C 2-4Alkyl, C 2-6Alkoxyalkyl or C 3-7Cycloalkyl, with ethyl, propyl group, sec.-propyl, cyclopropyl and 2-methoxy ethyl are good.
Work as R 2With R 3During singly-bound of common formation, the gained loop systems is substituted ring penta-1-thiazolinyl.Work as R 2With R 3Common when forming methylene radical, the gained loop systems is to replace hexamethylene-1-thiazolinyl, for example 3,3, and 5-trimethylammonium-hexamethylene-1-thiazolinyl or 3,5,5-trimethylammonium-hexamethylene-1-thiazolinyl.
Work as R 2Be hydrogen atom, R 3When being alkyl (particularly methyl), the general formula of gained branched alkenyl is:
Figure 9881119700121
Wherein be advisable to contain 8-12 carbon atoms, 9 or 10 are best.Best is 2,6-dimethyl-g-3-alkene-1-base.
R 4To R 8Separately with hydrogen or C 1-4Alkyl is advisable, especially hydrogen atom or methyl, condition be in these substituting groups at least two be C 1-4Alkyl.Best is such general formula 1 compound: R wherein 4It is hydrogen atom; R 5And R 7Be methyl, R 6And R 8In one be methyl, another is a hydrogen atom.
Good especially is formula I A compound,
Figure 9881119700122
Wherein, R 1Be alkyl or alkoxyalkyl, especially C 2-3Alkyl or 2-methoxy ethyl,
Het is the group that is selected from general formula (1) and (2) (1) (2) wherein, X is O or S;
Y is a halogen atom, especially chlorine atom, or methyl,
N is 0 or 1,
R 9Be C 1-4Fluoroalkyl, especially trifluoromethyl.In addition, formula I B compound is arranged preferably,
Figure 9881119700131
Wherein, R 1Be C 1-5Alkyl or C 3-5Alkoxyalkyl, especially ethyl, sec.-propyl or 2-methoxy ethyl,
Het is the group of self-drifting (1) and (2) (1)
Figure 9881119700133
(2) wherein, X is O or S;
Y is a halogen atom, especially chlorine atom, or methyl,
N is 0 or 1,
R 9Be C 1-4Fluoroalkyl, especially trifluoromethyl; Dotted line is illustrated in one of two positions and has a two key, and condition is R 1Be C 2-5Alkyl or C 3-5Het is general formula (a 1) group during alkoxyalkyl.
Good especially is I B1 is to I B4 compound: (IB1) (IB2) wherein, R 1Be ethyl or sec.-propyl. Wherein, X is O, R 1Be C 1-5Alkyl, or methoxyl group-C 1-4Alkyl, especially methyl, ethyl, sec.-propyl, methoxymethyl, 2-methoxy ethyl or 2-methoxyl group-1-methylethyl and
N is 0 or 1,
Be preferably, acquisition and the generalformula that uses are the mixtures of two keys at the generalformula of different positions.Like this, the present invention relates generally to the formula I isomeric compound that difference only is position of double bond, and especially, general formula is the mixture of the compound of I B.
Representative compounds of the present invention, for example : 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- ethyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetyl Amines, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- ethyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetyl Amines, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- isopropyl -N-(3,3,5 - trimethyl- cyclohexyl - 1 - enyl) - B Amide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- isopropyl -N-(3,5,5 - trimethyl- cyclohexyl - 1 - enyl) - B Amide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- ethyl -N-(3,3,4 - trimethyl- cyclopent-1 - enyl) - acetyl Amines, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- ethyl -N-(3,4,4 - trimethyl- cyclopent-1 - enyl) - acetyl Amines, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- isopropyl -N-(3,3,4 - trimethyl- cyclopent - 1 - enyl) - B Amide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- isopropyl -N-(3,4,4 - trimethyl- cyclopent - 1 - enyl) - B Amide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- ethyl -N-(3,3,5 - trimethyl- cyclopent-1 - enyl) - acetyl Amines, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- ethyl -N-(2,4,4 - trimethyl- cyclopent-1 - enyl) - acetyl Amines, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- isopropyl -N-(3,3,5 - trimethyl- cyclopent - 1 - enyl) - B Amide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- isopropyl -N-(2,4,4 - trimethyl- cyclopent - 1 - enyl) - B Amide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- ethyl -N-(2,6 - dimethyl- hept-3 - ene - 4 - yl ) - acetyl Amines, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- isopropyl -N-(2,6 - dimethyl- hept-3 - ene -4 - yl ) - b Amide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,3,5 - trimethyl- cyclohex-1 - Enyl) - acetamide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,5,5 - trimethyl- cyclohex-1 - Enyl) - acetamide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(2,6 - dimethyl base hept-3 - ene - 4 - yl ) - acetamide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- cyclopropyl -N-(3,3,5 - trimethyl- cyclohexyl - 1 - enyl) - B Amide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- cyclopropyl -N-(3,5,5 - trimethyl- cyclohexyl - 1 - enyl) - B Amide, 2 - (5 - trifluoromethyl) - [ 1,3,4 ] - thiadiazol-2 - yloxy )-N- cyclopropyl -N-(2,6 - dimethyl- hept-3 - ene -4 - yl ) - b Amide, 2 - ( benzoxazol-2 - yloxy )-N- methyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- methyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- ethyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- ethyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- isopropyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- isopropyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- ethyl -N-(3,3,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- ethyl -N-(3,4,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- isopropyl -N-(3,3,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- isopropyl -N-(3,4,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- ethyl -N-(3,3,5 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- ethyl -N-(2,4,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- isopropyl -N-(3,3,5 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- isopropyl -N-(2,4,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- ethyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- isopropyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N- methyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N- methyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N- ethyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N- ethyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N- isopropyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N- isopropyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (6 - chloro - benzoxazol-2 - yloxy )-N- methyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (6 - chloro - benzoxazol-2 - yloxy )-N- methyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (6 - chloro - benzoxazol-2 - yloxy )-N- ethyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (6 - chloro - benzoxazol-2 - yloxy )-N- ethyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzoxazol-2 - yloxy )-N- isopropyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (6 - chloro - benzoxazol-2 - yloxy )-N- isopropyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N- ethyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N- isopropyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - (6 - chloro - benzoxazol-2 - yloxy )-N- ethyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - (6 - chloro - benzoxazol-2 - yloxy )-N- isopropyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetyl Amines, 2 - (5 - chloro - benzoxazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetyl Amines, 2 - (6 - chloro - benzoxazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetyl Amines, 2 - (6 - chloro - benzoxazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetyl Amines, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N- methyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N- methyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N- ethyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N- ethyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N- isopropyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N- isopropyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,3,5 - trimethyl- cyclohex-1 - enyl ) - acetyl Amines, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,5,5 - trimethyl- cyclohex-1 - enyl ) - acetyl Amines, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N- ethyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - (5 - methyl - benzoxazol-2 - yloxy )-N- isopropyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- ethyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- ethyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- isopropyl -N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- isopropyl -N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- ethyl -N-(3,3,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- ethyl -N-(3,4,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- isopropyl -N-(3,3,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- isopropyl -N-(3,4,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- ethyl -N-(3,3,5 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- ethyl -N-(2,4,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- isopropyl -N-(3,3,5 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- isopropyl -N-(2,4,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- ethyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N- isopropyl -N-(2,6 - dimethyl- hept-3 - em-4 - yl ) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,3,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - ( benzothiazol-2 - yloxy )-N-(2 - methoxyethyl )-N-(3,5,5 - trimethyl- cyclohex-1 - enyl) - acetamide, 2 - (5 - chloro - benzothiazol-2 - yloxy )-N- ethyl -N-(3,3,4 - trimethyl- cyclopent-1 - enyl) - acetamide, 2 - (5 - chloro - benzothiazol-2 - yloxy )-N- ethyl -N-(3,4,4 - trimethyl- cyclopent-1 - enyl) - acetamide.
Generalformula is an oily, and gumminess mainly is the solid crystal material.Their advantage is the herbicidal performance that they are valuable.For example, they can be used for weeding in agricultural and association area.Generalformula is in very wide concentration range, and during low dosage, has very high weeding activity, can on agricultural, use easily, especially in such as specific farm crop such as corn and rice, by sprouting preceding or use the back of sprouting, optionally control and come weeds such as barnyard grass, Herba Setariae Viridis, Herba Galii Teneri, chickweed, Arabic veronica, lady's-grass, rye grass, pale reddish brown Herba lamii barbati, arable land violet, Tong fiber crops, Ipomoea Purpurea and west wind paddy such as big fringe amur foxtail, west.Formula I can make with ordinary method.Good especially generalformula preparation method comprises: general formula II compound and the reaction of general formula III compound:
Figure 9881119700181
Wherein, R 1, R 2, R 3, R 4, R 5, R 6, R 7And R 8As previously mentioned, Het as previously mentioned, L 1And L 2It-be hydroxyl, another is a leavings group.
Reaction can have or solvent-free in the presence of carry out, solvent may promote the reaction carry out, at least can disturbance reponse.Be preferably polarity, non-proton or protonic solvent, suitable solvent is N, N-dimethyl formamide, dimethyl sulfoxide (DMSO), tetramethylene sulfone, acetone, acetonitrile, methyl ethyl ketone, or ether such as tetrahydrofuran (THF) Huo diox, or alcohol, or water, or above-described mixture.Be reflected between the reflux temperature of envrionment temperature and reaction mixture and carry out, be advisable with higher temperature, particularly reflux temperature.Usually use the reactant of equimolar amount basically.
Can in the presence of basic cpd, react, the for example alkali-metal oxyhydroxide of basic cpd, supercarbonate or carbonate, for example sodium hydroxide or potassium hydroxide, sodium bicarbonate or saleratus or yellow soda ash or salt of wormwood, the alkali metal alcoholates of sodium ethylate for example, or the organic bases of triethylamine for example.In good especially embodiment, the inventive method is carried out in the presence of phase-transfer catalyst, and phase-transfer catalyst is advisable with tetraalkylammonium halide, preferably tetraethyl-ammonium bromide.
Suitable leavings group L 1Or L 2For example alkyl sulphonyl and aryl sulfonyl, especially, methyl sulphonyl, alkyl sulphonyl oxygen base and aryl sulfonyl oxygen base or perfluoroalkyl group sulfonyl oxygen base, and halogen atom, especially fluorine, chlorine and bromine.
Some is known as in the compound of initial substance, and some then is new.The invention still further relates to new general formula II intermediate,
Figure 9881119700182
Wherein, R 1, R 4, R 5, R 6, R 7And R 8As previously mentioned, R 2Be hydrogen atom, R 3Be alkyl, L 1Be hydroxyl or be selected from alkyl sulphonyl and aryl sulfonyl, the leavings group of alkyl sulphonyl oxygen base and aryl sulfonyl oxygen base or perfluoroalkyl group sulfonyl oxygen base and halogen atom.Best is general formula II A compound. Wherein, R 1Be alkyl or alkoxyalkyl,
L 1Be hydroxyl or halogen atom.
General formula II compound is obtained by the imines shown in the corresponding general formula IV:
R wherein 1, R 2, R 3, R 4, R 5, R 6, R 7And R 8Identical with in the formula I, that is, described imines and the reaction of 2-chloroacetyl chloride again with the alkali metal acetate reaction, are used the water-alcoholic solution deacylated tRNA base of alkali metal hydroxide again and are got.General formula IV imines can get by primary amine and corresponding ketone condensation.
When using unsymmetrical ketone, the two keys of gained can be formed at 2 different positionss in corresponding formula I and the II compound.So reaction product comprises difference and only is the formula I of position of double bond and the mixture of II compound isomers.
Ketone is commercially available for example 3,5 preferably, 5-trimethylcyclohexanone, and 2,2,4-trimethylammonium cyclopentanone, 2,4,4-trimethylammonium cyclopentanone and two-(2-methyl-propyl)-ketone, or the like.Condensation reaction between ketone and the amine can be undertaken by currently known methods, for example removes the water that produces by component distillation.Can promote to anhydrate by adding acid or an acidic catalyst, for example add hydrochloric acid, tosic acid or ammonium sulfate, or basic cpd, for example sodium hydroxide or potassium hydroxide and alkali-metal carbonate, or by adding TiCl 4Or molecular sieve and so on dewatering agent.
The invention still further relates to the using method of generalformula as weedicide.So, the invention provides a kind of method of preventing and treating weed growth in the zone, promptly handle described zone with the generalformula of herbicidally effective amount, usually it is combined in the herbicidal composition.A kind of effective means is that blade sprays, and described zone is the farm crop zone preferably, and typical farm crop are cereal, corn, soybean, Sunflower Receptacle or cotton.Yet those compounds with the preceding herbicide effect that sprouts also can impose on soil, perhaps impose in the water, for example for paddy rice.
The present invention also provides the method for weed growth in the another kind of control zone, comprises and uses described compound or composition.We find that significant especially activity is before sprouting and sprouts the resistance of back to dogstail and broadleaf weeds.We find that also they have selectivity in such as important farm crop such as wheat, barley, corn, rice and soybean.
In the methods of the invention, activeconstituents is that the significant quantity of The compounds of this invention can be 0.05-10kg/ha for example, is advisable with 0.01-4kg/ha, especially 0.05-3kg/ha, preferably 0.1-1kg/ha.Described zone can be farm crop or garden crop growing area, comprises for example plant or soil.In method preferably, described region growing has unwanted plant, and described processing is that blade sprays.
Generalformula has weeding activity.So the present invention also provides a kind of herbicidal composition, wherein comprise in the described generalformula of preamble at least a as activeconstituents and one or more carriers.The present invention also provides preparation described method for compositions, comprises above-mentioned generalformula and carrier combinations.Described composition can comprise a kind of activeconstituents of the present invention separately, also can be the mixture of several activeconstituentss of the present invention.The present invention also imagines, and different isomer or isomer mixture may have different activity levels or scope, so for the scope of enlarged composition weeding activity, composition can comprise one of isomer or isomer mixture.
Composition of the present invention should comprise 0.5-95% (w/w) one or more activeconstituentss.
Among the present invention, the carrier of approving on the agronomy can be an arbitrary substance, if activeconstituents with it compatibility or be convenient to storage, transportation or handle so that be applied to pending zone for example plant, seed or soil.Carrier can be solid or liquid, and comprises and be generally gas but the compressed material that becomes liquid.
Composition can be mixed with for example emulsion with the method for knowing, emulsifiable concentrate, solution, O/w emulsion, but wet powder, soluble powder, concentrated suspension liquid, pulvis, pill, water-dispersible pill, micro-capsule, gel, other formulations such as aerosol.Described method comprises that with activeconstituents with other material thorough mixing and/or grinding, other materials are filler, solvent, solid carrier, surface active cpd (tensio-active agent) for example, and optionally solid and/or liquid adjuvants and/or adjuvant.The mode of using is for example sprayed, and atomizing is disseminated or toppled over, and can select according to subject and environment.
Solvent for use can be an aromatic hydrocarbon, and for example Solvesso  200, replaces naphthalene, phthalic ester, for example dibutyl phthalate or dioctyl ester, aliphatic hydrocarbon, for example hexanaphthene or paraffin, pure and mild glycol, and their ether and ester, ethanol for example, glycol monomethyl and dme, ketone, pimelinketone for example, intensive polar solvent, for example N. methyl-2-pyrrolidone, γ-butyrolactone, the senior alkyl pyrrolidone, for example n-octyl pyrrolidone or cyclohexyl pyrrolidone, the ester of epoxidized vegetable oil, the ester of for example methylated Oleum Cocois or soybean oil, and water.Often with the mixture of different solvents as suitable carriers.
Can to disperse the solid carrier of pill or pill can be mineral filler but be used for pulvis wet powder, water, for example calcite, talcum, kaolin, polynite or attapulgite.The silica dioxide gel or the polymkeric substance that add high dispersing can improve physical property.The pill carrier can be a porous material, for example float stone, kaolin, sepiolite, wilkinite or non-sorptive carriers, for example calcite or sand.In addition, can use a large amount of prior inorganic or organic substance of granulation, for example rhombspar or plant residue crushed materials.
Herbicidal composition is mixed with the conc forms transportation usually, is diluted before using by the user then.A small amount of having of surfactivity carrier helps dilution.So, be that tensio-active agent is advisable with at least a carrier in the present composition.For example, composition may contain two or more carriers, and then one of them is a tensio-active agent.
Used tensio-active agent can be nonionic, positively charged ion, negatively charged ion or amphiprotic substance, has good dispersion, emulsification and wettability, and the concrete character of the generalformula of compatibility is with it depended in its selection." tensio-active agent " also comprises two or more surfactant mixtures.
But wet powder comprises 5-90% (w/w) activeconstituents usually, except that inert solid carrier, also contain 3-10% (w/w) dispersion agent and wetting agent, in case of necessity, also comprise for example permeate agent or hold back toughener (sticker) of 0-10% (w/w) stablizer and/or other additives.Pulvis often is formulated into concentrated pulvis, but its form similar but do not contain dispersion agent to wet powder, it can dilute become in the field and contain 0.5-10% (w/w) composition of active components with other solid carrier.Water can disperse pill and pill Chang Keyong multiple technologies to make 0.15-2.0mm size.Usually, this class pill contains 0.5-90% (w/w) activeconstituents and 0-20% (w/w) additive, such as stablizer, tensio-active agent, slowly-releasing modifier and tackiness agent.So-called " dried flowing agent " comprises less relatively, the pill that activity component concentration is higher relatively.
Emulsifiable concentrate desolventizes or mixed solvent also contains 1-80% (w/v) activeconstituents outward usually, other additives of 2-20% (w/v) emulsifying agent and 0-20% (w/v), for example stablizer, permeate agent and anticorrosive agent.Concentrated suspension liquid often becomes the stable non-settling product that can flow through grinding; generally contain 5-75% (w/v) activeconstituents;-15% 0.5 (w/v) dispersion agent; 0.1-10% (w/v) for example protects suspension agents such as glue and thixotropic agent; 0-10% (w/v) other additives; for example defoamer, anticorrosive agent, stablizer, permeate agent and hold back toughener (sticker) and water or organic liquid, activeconstituents does not dissolve therein substantially.Some organic solid or inorganic salt may be dissolved in assists in the preparation to avoid precipitation and crystallization, or as frostproofer, for example when water is arranged.
Aqueous dispersion and emulsion also belong in the scope of the present invention, for example the composition of dilute with water preparation product of the present invention gained.
With regard to prolonging mixture protection activity of the present invention, the significant especially carrier that the deinsectization mixture slowly can be discharged in the environment of plant to be protected place that is to use.
Can also be by in sending agent forth, adding the biological activity that adjuvant improves activeconstituents.Adjuvant refers to improve the activeconstituents biological activity but material itself that do not have notable biological activity at this.Adjuvant can be in preparation as auxilliary system component or carrier, perhaps with contain formulations of active ingredients and together add in the spray tank.
As commodity, composition is conc forms preferably, but the end user generally uses the composition after the dilution.Composition can be diluted to 0.001% activeconstituents.Use than being generally 0.01-10kg a.i./ha.
Formulation example of the present invention as:
Concentrated emulsion (EC) activeconstituents embodiment 2 compound 30% (w/v) emulsifying agent Atlox  4856 B/Atlox  4858 B 1)5% (w/v) (contains sulfonic alkyl aromatic ester calcium, the mixture of ethoxylized fatty alcohol and light aromatics/contain sulfonic alkyl aromatic ester calcium, the mixture of ethoxylized fatty alcohol and light aromatics) solvent Shellol  A 2)To 1000ml
(C 9-10Aromatic hydrocarbons mixture)
Concentrated suspension liquid (SC) activeconstituents embodiment 3 compound 50% (w/v) dispersion agent Soprophor  FL 3)3% (w/v) (polyoxyethylene polyaryl phenyl ether, phosphate amine salt) defoamer Rhodorsil  422 3)0.2% (w/v) (nonionic polydimethylsiloxane water-based emulsion) structural agent Kelzan  S 4)0.2% (w/v) (xanthan gum) frostproofer propylene glycol 5% (w/v) disinfectant Proxel  5)0.1% (w/v) (water-dipropylene glycol solution that contains 20%1,2-benzene isothiazoline-3-ketone) is to 1000ml
But wet powder (WP) activeconstituents embodiment 17 compound 60% (w/w) wetting agent Atlox  4995 1)2% (w/w) (Voranol EP 2001) dispersion agent Witcosperse  6)3% (w/w) (mixture of condensation naphthalene sulfonate salt and polyoxy acetate alkylaryl polyol ester) carrier/filler kaolin 35% (w/w)
Water can disperse pill (WG) activeconstituents embodiment 19 compounds 50% (w/w) dispersion/bonding Witcosperse  D-450 6)35% (w/w) agent (mixture of condensation naphthalene sulfonate salt and sulfonic acid alkane ester) wetting agent Morwet  EFW 6)2% (w/w)
(formaldehyde condensation products) defoamer Rhodorsil  EP6703 3)1% (w/w)
(polysiloxane micro-capsule) disintegrating agent Agrimer  ATF 7)2% (w/w)
(cross-linked homopolymer of N-vinyl-2-pyrrolidone) carrier/filler kaolin 35% (w/w)
1) available from ICI Surfactants
2) available from Deutsche Shell AG
3) available from Rhone-Poulenc
4) available from Kelco Co.
5) available from Zeneca
6) available from Witco
7) available from International Speciality Products
The present composition also comprises the compound of other biologically actives, for example has the bioactive compound of identical or complementary desinsection, or the compound with coordinate plant growth, fungicidal or insecticidal activity.Such mixture generally has the field of activity wider than independent generalformula.And, can also select to have synergistic other components with generalformula.
The coupling of at least two kinds of weedicides can be included in a kind of preparation, also can be mixed with in the process at jar to add subsequently with suitable form.The weedicide that can be used in the described mixture for example comprises: amethydione, bilanafos, metabenzthiazuron, metamitron, the piperazine humulone, 2,4-D, 2,4-Embutox, high by 2,4-propionic salt, alachlor, alloxydim, the spirit of sulphur grass, atrazine, the phonetic yellow ridge of Bian, bentazone, bifenox, bromoxynil, Butachlor technical 92, carfentratone, pyrazon, chlorimuron, Y 3, chlorsulfuron, chlorotoluron, cinmethylin, clopyralid, the cyanogen oxalic acid dinitrile, the weed eradication spy, cyclosulfamuron, cycloxydim, Niagara 5006, diclofop-methyl, dimethenamid, mattress goes out and reaches, ethiozin oxazole diclofop-methyl, the wheat straw volt, fluometuron, fluorine is decided ketone, fluroxypyr, Fomesafen, glufosinates, glyphosate, the spirit of pyrrole fluorine chlorine standing grain, hexazinone, miaow grass ether, the weed eradication cigarette, imazamox, the weed eradication cigarette, the weed eradication quinoline, Imazethapyr, ioxynil, isoproturon, isoxaflutole, lactofen, 2 first, 4 chlorine, Vi par, mefenacet, metazachlor, metolachlor, metsulfuron-methyl, Hydram, norflurazon, oryzalin, oxyfluorfen, pendimethalin, picloram, third grass is pressed, propachlor, pyridate, quizalofop, sethoxydim, weed eradication is logical, terbutryn, thiobencarb, triallate, trifluralin, diflufenican, Stam F-34, TRICLOPYR ACID, dicamba 98, desmedipham, acetochlor, fluoroglycofenethyl, halosafen, tralkoxydim, amidosulfuron, ether is yellow grand, nicoculsfuron, pyrazosulfuron, sulfentrazone, thiophene methyl, thiophene methyl, triasulfuron, tribenuron-methyl, esprocarb, prosulfocarb, terbutylazin, benfuresate clomazone clomazone, dithiopyr, isoxaben, quinclorac, quinmerac and glyphosate.Also can be and mixture such as other activeconstituentss such as mycocide, insecticide, acarus-killing and nematocidess.
A kind of exemplary formulations that contains The compounds of this invention contains 100-500g activeconstituents (generalformula), 30g dispersion agent, 2g defoamer, 2g structural agent, 50g frostproofer, 0.5g disinfectant and the water that complements to 1000ml.Before the use, be diluted with water to required activity component concentration.
In order more to be expressly understood the present invention, below provide specific embodiment.These embodiment are explanation just, is qualification to the scope of the invention and contained principle and can not be understood as.According to following examples and preamble explanation, to those skilled in the art, except that the given embodiment of this paper, be conspicuous to various modifications of the present invention.These are revised and also to belong to hereinafter within the claims of the present invention scope.
NMR and mass spectrum have further been confirmed the structure according to the prepared compound of following examples.Embodiment 1N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-N-ethyl-2-hydroxyl acetamide and N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-preparation IA N-ethyl-N-(3,3,5-trimethylammonium cyclohexylene) amine of N-ethyl-2-hydroxyl acetamide
3,3, and 5-trimethylcyclohexanone (42g, 0.3mol), logical 2 days 140g (ca.3.1mol) ethamine gas altogether in the stirring the mixture of tosic acid (0.5g) and toluene (150ml).Between or the reaction mixture sample that takes a morsel carry out mass spectroscopy, monitoring reaction progress.Add make an appointment with half ethamine after, generate when no longer including water, and tosic acid adds anhydrous sodium sulphate (30g) when dissolving fully.After the mixed number minute, filter out solid matter, add a tosic acid (0.5g) again.Continue to add ethamine then.When the ratio of product and initiator rises to 70: 30, in reaction mixture, add concentrated hydrochloric acid (0.5ml), feed residue ethamine then.Use the roughly sherwood oil diluted reaction mixture of equivalent then, in turbid solution, add sodium hydrate solid (50g).Mixture concussion several, the wash rice that inclines then goes out supernatant liquor, and vacuum-evaporation gets yellow oily crude product 1A (40g).NMR and mass spectroscopy show that product content is 75%.Purifying is not directly used in later step.The preparation of 1B N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-N-ethyl-α-chlor(o)acetamide and N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-N-ethyl-α-chlor(o)acetamide
0 ℃, with 30 minutes, (40.0g dripped 2-chloroacetyl chloride (22.3g, toluene 0.19mol) (100ml) solution in toluene 0.18mol) (400ml) mixture at 1A while stirring.In the dropping, form the light color precipitation.Mixture is slowly risen to room temperature, continue to stir 16 hours.Then mixture is cooled to 0 ℃ once more, drips triethylamine (21.0g, toluene 0.205mol) (100ml) solution.After dropwising, mixture slowly rose to stirring at room 5 hours, and so far, the thin-layer chromatography demonstration reacts completely.Leach the precipitation of formation, filtrate water (200ml) washing 5 times, dried over sodium sulfate, vacuum-evaporation.The gained brown oil gets colorless oil product 1B through the underpressure distillation of Vigreux post, and b.p. is 118-123 ℃/0.01mmHg.NMR analyze to show wherein contain 42: 58 3,3,5-and 3,5,5-3-methyl cyclohexanol-1-thiazolinyl isomer.The preparation of 1C N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-N-ethyl-2-acetoxyl group ethanamide and N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-N-ethyl-2-acetoxyl group ethanamide
Sodium acetate (11.1g, 0.135mol), 1B (33.0g, 0.135mol) and Glacial acetic acid (40ml) mixture reflux 16 hours postcooling to room temperature.Leach precipitation, vacuum-evaporation filtrate.Residue and toluene (100ml) component distillation is removed micro-acetic acid 2 times.Gained oil (42g) is dissolved in methylene dichloride (250ml), solution with water (100ml) washing 3 times, and dried over sodium sulfate gets light brown oily 1C (29.0g, 81%) after silica gel plug filtration and vacuum-evaporation.This product, purifying not, step after being directly used in.The preparation of 1D N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-N-ethyl-2-hydroxyl acetamide and N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-N-ethyl-2-hydroxyl acetamide
1C (29.0g, 0.109mol) and potassium hydroxide (6.17g, 0.11mol) mixture of water (11ml) and ethanol (44ml) solution refluxed 24 hours, cooling then, vacuum-evaporation gets brown oily crude product (21g).The flash chromatography purifying with petrol ether/ethyl acetate (4: 1) wash-out, gets yellow oily 1D (16.8g, 69%).Embodiment 22-(5-trifluoromethyl-1,3,4-thiadiazoles-2-basic oxygen base)-N-(3,5,5-trimethyl cyclohexene-1-yl)-N-ethyl acetamide and 2-(5-trifluoromethyl-1,3,4-thiadiazoles-2-basic oxygen base)-N-(3,3,5-trimethyl cyclohexene-1-yl)-preparation of N-ethyl acetamide
1D (16.8g, add while stirring in acetone 75mmol) (450ml) solution salt of wormwood (13.8g, 100mmol); add 2-methyl-alkylsulfonyl-5-trifluoromethyl-1,3 then, 4-thiadiazoles (16.9g; 73mmol), add tetraethylammonium bromide (2g) then.Mixture stirring at room 30 hours.Leach precipitation, filtrate vacuum-evaporation.Residue is dissolved in methylene dichloride (250ml), solution with water (50ml) washing 2 times, dried over sodium sulfate, vacuum-evaporation gets brown oily crude product (21g).Flash chromatography purifying with toluene/ethyl acetate (9: 1) wash-out gets light brown oily 2 (11.9g, 43%). 1H NMR mass spectrum has been verified compound and purity thereof, and shows about 1: 1 of the ratio of isomer. 19F?NMR(CDCl 3／TFA)δ—17．8ppm。Embodiment 3-16:
Other compounds of the present invention prepare according to embodiment 1 and 2 described universal methods, are listed in table 1.Table 1
Figure 98811197002611
Figure 98811197002711
3,3, the dotted line in 5-3-methyl cyclohexanol thiazolinyl represents that corresponding compound is to distinguish the isomer mixture that only is position of double bond.Embodiment 172-(benzoxazole-2-basic oxygen)-N-ethyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide and 2-(benzoxazole-2-basic oxygen)-preparation of N-ethyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide
(3.6g, anhydrous tetrahydro furan 16mmol) (THF) (25ml) drips of solution are added to sodium hydride (0.66g are in anhydrous THF (50ml) stirred suspension 16.5mmol) 1D.After about 30 minutes, when not observing the hydrogen generation, (stirring reaction spends the night under the room temperature for 2.3g, anhydrous THF (40ml) solution 15mmol) to drip 2-Lv benzoxazole in stirring the mixture.Add water (2.0ml) in the mixture, vacuum-evaporation then.In residue, add methylene chloride (150ml), organic phase wash with water (4 * 100ml), dried over sodium sulfate, vacuum-evaporation.Residue grinds through sherwood oil (5ml), gets cream-coloured waxy solid 2 (3.9g, 77%).1H NMR has verified product and purity thereof, and shows that the ratio of isomer is 1: 1.Embodiment 18-59
Other compounds of the present invention prepare according to the universal method of embodiment 1 and embodiment 17, list in table 2.
Table 2
Figure 9881119700291
Figure 98811197003011
Figure 98811197003111
Figure 98811197003311
Figure 98811197003411
3,3, the dotted line in 5-3-methyl cyclohexanol thiazolinyl represents that corresponding compound is to distinguish the isomer mixture that only is position of double bond.Embodiment 60-75:
Other compounds of the present invention are listed in table 3 according to embodiment 1,2 and 17 described universal method preparations.
Table 3
Figure 98811197003531
Figure 98811197003611
Weeding activity
Before with floristics in the table The compounds of this invention having been carried out sprouting and the back test of sprouting.
Used floristics
?TRZAW ?ZEAMX ?GLXMX ?HORVW ?ORYSA ?ALOMY ?AMARU ?APESV ?DIGSA ?ECHCG ?LOLPE ?SETVI ?SETFA Barnyard grass rye grass green bristlegrass French green bristlegrass is carried out in the large fringe amur foxtail of wheat corn soybean barley rice Amaranthus rudis wind creeping bentgrass lady's-grass west Barnyard grass rye grass green bristlegrass French green bristlegrass is carried out in the large fringe amur foxtail of winter wheat corn soybean winter barley rice waterhemp wind creeping bentgrass lady's-grass west
3 weeks after processing, check each flowerpot, with 0-100% expression phytotoxicity, 0=is invalid, and 100=all kills.The test compound preceding herbicidal evaluation that sprouts:
With following test is the preceding weeding activity that sprouts of example explanation The compounds of this invention, and wherein, the seed of various monocotyledonss and dicotyledons mixes with basin soil respectively, plants below the basin soil of top layer about 1 inch.After the plantation, each basin sprays with optional test compound water-acetone soln, presents in an amount at least sufficient to provide every basin to be equivalent to 0.8-0.1kg test compound/hectare.To test basin then and be put in the greenhouse, and water and nurse according to the greenhouse routine operation.The results are shown in Table 4,6 and 8.Herbicidal evaluation after test compound sprouts:
With following test is the back weeding activity that sprouts of example explanation The compounds of this invention, wherein, prepare preparation by the test compound acetone soln, wherein contain 0.4 weight % alkylphenol/oxyethylene condenses TRITON X-155, handle various monocotyledonss and dicotyledons with these preparations.The above-mentioned acetone soln of dilute with water, the using dosage of gained preparation in every basin are equivalent to about 0.4-0.2kg test compound/hectare.After the sprinkling, plant is placed the greenhouse, nurse according to the greenhouse routine.Gained the results are shown in Table 5,7 and 9.Embodiment A
The compounds of this invention, compound as embodiment 3 and embodiment 2, with as prior art (United States Patent (USP) 4,585,471) 2-(5-trifluoromethyl-1,3,4-thiadiazoles-2-basic oxygen)-N-(3,5,5-trimethyl cyclohexene-1-yl)-N-methylacetamide and 2-(5-trifluoromethyl-1,3,4-thiadiazoles-2-basic oxygen)-N-(3,3,5-trimethyl cyclohexene-1-yl)-N-methylacetamide (compd B) is relatively, as shown in table 4, at wheat, corn, has better farm crop tolerance than compd B in soybean and the rice.
Embodiment 3 compounds show especially obviously, it in wheat and soybean, have good farm crop optionally maximum dose level reach 800g/ha, in rice, reach 400g/ha, at above-mentioned dosage, it is to such as amur foxtail, lady's-grass, and the west comes weeds such as barnyard grass and Herba Setariae Viridis to have high reactivity.Even compd B also significantly suppresses the growth of wheat at the lowest dose level of 100g/ha, yet, not enough to the activity of a kind of important weeds amur foxtail of European cereal, this explanation, opposite with embodiment 3, with the amur foxtail of compd B in can not the selective control wheat paddock.In corn field, embodiment 3 compounds have good selectivity, controlled the French Herba Setariae Viridis when dosage is 200g/ha fully, and standard substance only have selectivity when dosage is 100g/ha in corn, but this moment is then not enough to the activity of Herba Setariae Viridis.Embodiment 2 compounds are compared with compd B also has goodish selectivity in corn, have abundant selectivity when its dosage is 400g/ha in corn, and at this dosage the weeds that comprise Herba Setariae Viridis are had high-caliber activity.
Table 4: use before sprouting
Compound dosage g/ha TRZAW????ZEAMX????GLXMA????ORYSA ?ALOMY??DIGSA??ECHCG??SETFA
Embodiment 2 800 embodiment 2 400 embodiment 2 200 ?30????????50???????20???????95 ?30????????0????????0????????50 ?20????????0????????0????????15 ?100?????100???100????100 ?100?????100???100????100 ??90?????100???100????100
Embodiment 3 800 embodiment 3 400 embodiment 3 200 ?10????????55???????0????????40 ?5?????????20???????0????????0 ?0?????????0????????0????????0 ??99?????100???100????100 ??95?????100???100????100 ??75?????100???97?????100
?B?????????800 ?B?????????400 ?B?????????200 ?B?????????100 ?65????????75???????30???????95 ?45????????45???????20???????92 ?25????????45???????20???????92 ?25????????0????????0????????10 ??100????100???100????100 ??95?????100???100????100 ??92?????100???99?????100 ??75?????100???98?????80
Embodiment B
With prior art (United States Patent (USP) 4,585,471) 2-(5-trifluoromethyl-1,3,4-thiadiazoles-2-basic oxygen)-N-(3,5,5-trimethyl cyclohexene-1-yl)-N-methylacetamide and 2-(5-trifluoromethyl-1,3,4-thiadiazoles-2-basic oxygen)-N-(3,3,5-trimethyl cyclohexene-1-yl)-N-methylacetamide mixture compares, embodiment 3 compounds obviously have better choice in wheat and rice, because maximum concentration can reach 400g/ha when it has fully optionally in these crops.And compd B does not have sufficient selectivity in wheat when 400g/ha, only at 200g/ha the time, and MIN selectivity in wheat.Table 5: use after sprouting
Compound Dosage g/ha ?TRZAW????ORYZA ?ALOMY????DIGSA????SETVI
Embodiment 3 embodiment 3 ????400 ????200 ????0??????0 ????0??????0 ????95??????90??????90 ????70??????80??????60
????B ????B ????400 ????200 ????35?????20 ????20?????0 ????95??????90??????90 ????85??????90??????70
Embodiment C
In addition, before the embodiment of the invention 8 compounds have been carried out sprouting and the back test of sprouting, and with prior art (International Patent Application WO 97/08160) in 2-(5-trifluoromethyl-1,3,4-thiadiazoles-2-basic oxygen)-N-(2,4-dimethyl-g-2-alkene-3-yl)-and N-(methoxy ethyl) ethanamide, Compound C compares.In 3 weeks after processing, check each basin, according to following deciding grade and level system evaluation phytotoxicity.
The deciding grade and level system The growth differences % that compares with non-processing contrast
0-invalid 0
1-little effect 1—5
2-slight effect 6—15
3-moderate effect 16—29
4-damage 30—44
5-clearly damages 45—64
6-herbicidal effect 65—79
7-good herbicidal effect 80—90
8-almost completely kill 91—99
9-kill fully 100
Shown in table 6 and table 7, the crop tolerance of embodiment 8 compounds in wheat, corn, soybean and rice obviously is better than Compound C.
Table 6:
Compound g／ha ?TRZAW?ORYSA ?ALOMY?SETVI?ECHCG?AMARU?GALAP
?C ?800 ?400 ?200 ?100 ?50 ???7????7 ???5????5 ???1????2 ???0????0 ???0????0 ???9?????9?????9?????8?????2 ???8?????8?????9?????7?????0 ???8?????8?????8?????0?????0 ???5?????4?????5?????0?????0 ???2?????0?????2?????0?????0
Embodiment 8 ?800 ?400 ?200 ?100 ?50 ???4????2 ???2????0 ???2????0 ???0????0 ???0????0 ???9?????9?????9?????8????7 ???9?????9?????9?????8????3 ???8?????8?????8?????6????0 ???7?????8?????7?????0????0 ???5?????6?????4?????0????0
In wheat and rice, the selectivity of embodiment 8 compounds all obviously is better than the Compound C of PCT WO97/08160.The compounds of this invention has sufficient selectivity when 400g/h in wheat, even still have good selectivity when maximum dose level 800g/ha in rice, and two kinds of crops only have tolerance to residual quantity 200g/h Compound C.And The compounds of this invention all has higher activity to monocotyledon weed (barnyard grass is come in the west for amur foxtail, Herba Setariae Viridis) and broadleaf weed (Amaranthaceae, Herba Galii Teneri belongs to).
Table 7: use the back of sprouting
Compound ??g／ha ?TRZAW?HORVW?ZEAMX ?ALOMY??APESV
Compound C ????400 ????200 ????4????4????5 ????2????0????3 ????8????6 ????4????4
Embodiment 8 ????400 ????200 ????2????0????3 ????0????0????0 ????8????8 ????7????5
Embodiment 8 compounds have in wheat fully optionally that maximum dose level reaches 400g/ha, then are 200g/ha in corn.The selectivity of Compound C in above-mentioned crop obviously is lower than The compounds of this invention.And The compounds of this invention obviously has more high reactivity to big fringe amur foxtail and wind creeping bentgrass, and these two kinds is the important weeds in the European cereal.Two kinds of weeds have all obtained good control because of using The compounds of this invention, and the selectivity dosage in wheat and barley is 400g/ha.The Compound C of concentration does not all have effect fully to the wind creeping bentgrass arbitrarily, when barley or wheat selection dosage, to amur foxtail yet not effect.Embodiment D
Below in the test, shown in table 8 and 9, the embodiment of the invention 17 and 19 compound have shown good selectivity in wheat, barley, soybean and rice.At crop-selective dosage, though use before sprouting or sprout after use, embodiment 17 and 19 compounds are all to amur foxtail, arm shape grass, lady's-grass, barnyard grass is come in the west, French Herba Setariae Viridis and Herba Setariae Viridis have very high activity.
Table 8: use before sprouting
Embodiment No. g／ha ?T????H????O????G ?R????O????R????L ?Z????R????Y????Y ?A????V????S????M ?W????W????A????A ?A????B????D????E????S????S ?L????R????I????C????E????E ?O????A????G????H????T????T ?M????P????S????C????F????V ?Y????P????A????G????A????I
????17 ?400 ?200 ?0????1????3????1 ?0????1????1????0 ?8????8????9????8????9????8 ?8????7????9????8????8????8
????19 ?400 ?200 ?1????0????0????0 ?0????0????0????0 ?8????8????9????8????8????8 ?7????5????9????8????8????8
The embodiment of the invention 17 and 19 compounds have good selectivity in wheat, barley, soybean and rice.And, at crop-selective dosage to amur foxtail, lady's-grass, barnyard grass is come in the west, French Herba Setariae Viridis and Herba Setariae Viridis have very high activity.
Table 9: use after sprouting
Embodiment No. g／ha ?T????H????O ?R????O????R ?Z????R????Y ?A????V????S ?W????W????A ?A????D????E????S????S ?L????I????C????E????E ?O????G????H????T????T ?M????S????C????F????V ?Y????A????G????A????I
????17 ?400 ?200 ?3????2????1 ?0????0????0 ?8????8????9????8????8 ?6????8????9????7????8
????19 ?400 ?200 ?0????0????0 ?0????0????0 ?7????8????8????8????8 ?6????8????8????7????7
Embodiment E
Below in the test, use test after the embodiment of the invention 21 compounds have been carried out sprouting, and compare with prior art (European patent application EP 0165537) 2-(6-Lv benzoxazole-2-basic oxygen)-N-(hexamethylene-1-thiazolinyl)-N-methyl-ethanamide (Compound D).Shown in the result in the table 10, the selectivity of embodiment 21 compounds in barley obviously is better than the prior art Compound D.Table 10: use after sprouting
Compound ????g／ha ?HORVW ?ALOMY???LOLPE?APESV
Compound D ????400 ????200 ????100 ????35 ????5 ????0 ????95????70????95 ????90????60????90 ????85????55????70
Embodiment 21 ????400 ????200 ????100 ????15 ????5 ????0 ????98????90????95 ????96????85????90 ????85????60????85
Obviously, compare with the prior art compound, The compounds of this invention has higher tolerance in barley, and to amur foxtail, rye grass and Ah draping over one's shoulders draw grass to have more high reactivity, and these are important weeds of cereal.So barley can tolerate the The compounds of this invention up to 400g/ha, and the maximum concentration of tolerance prior art compound is 200g/ha.At farm crop selective concentrations 400g/ha, The compounds of this invention can be controlled amur foxtail and Ah draping over one's shoulders well and draw grass (reaching 98% and 95% respectively), and the prior art compound is then lower in the control action kou of barley tolerance dose.

Claims (16)

1. logical formula I compound,
Figure 9881119700021
Wherein, but Het contains 5 or 6 yuan of heteroaryls that can replace the benzo nitrogen-atoms;
R 1Be alkyl, alkoxyalkyl or cycloalkyl;
R 2Be hydrogen atom, R 3Be alkyl, perhaps, R 2And R 3A common singly-bound or the methylene radical of forming;
R 4, R 5, R 6, R 7And R 8Each is hydrogen atom or C naturally 1-C 4Alkyl, but condition is:
A) R 4, R 5, R 6, R 7And R 8In at least 2 must be alkyl; And
B) can not be 2-(5-trifluoromethyl-1,3,4-thiadiazoles-2-basic oxygen base)-N-methyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide.
2. according to the described compound of claim 1, R wherein 4, R 5, R 6, R 7And R 8Each is hydrogen atom or methyl naturally.
3. according to claim 1 or 2 described compounds, Het wherein is can be by thiadiazolyl group, benzoxazolyl or the benzothiazolyl of one or more halogen atoms or alkyl, haloalkyl or phenyl replacement.
4. according to the described compound of claim 3, Het wherein is the group that is selected from general formula (1) and (2):
Figure 9881119700022
Wherein, R 9Be hydrogen or halogen atom or haloalkyl;
X is O or S;
Y is independently of one another, but is halogen atom or substituted alkyl:
N is 0-4 integers.
5. according to each described compound in the claim 1 to 4, R wherein 2And R 3A common singly-bound or the methylene radical of forming.
6. according to each described compound in the claim 1 to 5, R wherein 1Be C 2-5Alkyl, cyclopropyl or 2-methoxy ethyl.
7. according to the described compound of claim 1, have general formula I A, Wherein, R 1Be alkyl or alkoxyalkyl,
Het is the group that is selected from general formula (1) and (2) (1) (2) wherein, X is O or S;
Y is halogen atom or methyl,
N is 0 or 1,
R 9Be C 1-4Fluoroalkyl.
8. according to the described compound of claim 1, have general formula I B, Wherein, R 1Be C 2-5Alkyl or alkoxyalkyl,
Het is the group that is selected from general formula (1) and (2)
Figure 9881119700035
(1) (2) wherein, X is O or S;
Y is halogen atom or methyl,
N is 0 or 1,
R 9Be C 1-4Fluoroalkyl;
Dotted line is illustrated in one of two positions and has a two key.
9. the isomer mixture of two kinds of compounds of claim 8 general formula I B, the difference of two kinds of compounds only are the position of two keys.
10. according to each described compound in the claim 7 to 9, it is selected from:
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-ethyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-ethyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-sec.-propyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-sec.-propyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-ethyl-N-(3,3,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-ethyl-N-(3,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-sec.-propyl-N-(3,3,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-sec.-propyl-N-(3,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-ethyl-N-(3,3,5-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-ethyl-N-(2,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-sec.-propyl-N-(3,3,5-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-sec.-propyl-N-(2,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-ethyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-sec.-propyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-(2-methoxy ethyl)-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-cyclopropyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-cyclopropyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-trifluoromethyl)-[1,3,4]-thiadiazoles-2-basic oxygen)-N-cyclopropyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-methyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-methyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-ethyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-ethyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-ethyl-N-(3,3,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-ethyl-N-(3,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,3,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-ethyl-N-(3,3,5-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-ethyl-N-(2,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,3,5-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(2,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-ethyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-methyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-methyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-ethyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-ethyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(6-chlorine-benzoxazole-2-basic oxygen)-N-methyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(6-chlorine-benzoxazole-2-basic oxygen)-N-methyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(6-chlorine-benzoxazole-2-basic oxygen)-N-ethyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(6-chlorine-benzoxazole-2-basic oxygen)-N-ethyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(6-chlorine-benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-ethyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(6-chlorine-benzoxazole-2-basic oxygen)-N-ethyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(6-chlorine-benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzoxazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(6-chlorine-benzoxazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(6-chlorine-benzoxazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-methyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-methyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-ethyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-ethyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-ethyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(5-methyl-benzoxazole-2-basic oxygen)-N-sec.-propyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-ethyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-ethyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-sec.-propyl-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-sec.-propyl-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-ethyl-N-(3,3,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-ethyl-N-(3,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-sec.-propyl-N-(3,3,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-sec.-propyl-N-(3,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-ethyl-N-(3,3,5-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-ethyl-N-(2,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-sec.-propyl-N-(3,3,5-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-sec.-propyl-N-(2,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-ethyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-sec.-propyl-N-(2,6-dimethyl-g-3-alkene-4-yl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,3,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(benzothiazole-2-basic oxygen)-N-(2-methoxy ethyl)-N-(3,5,5-3-methyl cyclohexanol-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzothiazole-2-basic oxygen)-N-ethyl-N-(3,3,4-front three basic ring, penta-1-thiazolinyl)-ethanamide,
2-(5-chlorine-benzothiazole-2-basic oxygen)-N-ethyl-N-(3,4,4-front three basic ring, penta-1-thiazolinyl)-ethanamide.
11. a method for preparing each described compound in the aforementioned claim comprises the reaction of general formula II compound and general formula III compound: Wherein, R 1, R 2, R 3, R 4, R 5, R 6, R 7And R 8Definition and claim 1 in identical, the definition of Het is also identical, L 1And L 2One of be hydroxyl, another is a leavings group.
12. general formula II compound, Wherein, R 1, R 4, R 5, R 6, R 7And R 8Definition and claim 1 in identical, R 2Be hydrogen atom, R 3Be alkyl, L 1Be hydroxyl or be selected from alkyl sulphonyl and aryl sulfonyl, the leavings group of alkyl sulphonyl oxygen base and aryl sulfonyl oxygen base or perfluoroalkyl group sulfonyl oxygen base and halogen atom.
13. a herbicidal composition comprises the carrier of approving on each described compound of at least a claim 1 to 10 and at least a agronomy.
14. composition according to claim 13 comprises at least two kinds of carriers, wherein at least a is tensio-active agent.
15. prevent and treat the method for weed growth in the zone for one kind, be included in each described compound of claim 1 to 10 of described Zoned application herbicidally effective amount.
16. prevent and treat the method for weed growth in the zone for one kind, be included in the claim 13 or the 14 described compositions of described Zoned application herbicidally effective amount.
CN98811197A 1997-11-18 1998-11-05 Herbicidal N-alkenyl heteroaryloxyacetamides Expired - Fee Related CN1122665C (en)

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CN111303073A (en) * 2020-03-07 2020-06-19 内蒙古工业大学 Method for preparing pesticide mefenacet by using benzothiazolone and 2-halogenated-N-methyl-N-phenyl acetamide

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US6339042B1 (en) 1999-11-29 2002-01-15 American Cyanamid Co. Herbicidal N-cyclohexadienyl heteroaryloxyacetamides

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DE3218482A1 (en) * 1982-05-15 1983-11-17 Bayer Ag, 5090 Leverkusen SUBSTITUTED 5-TRIFLUORMETHYL-1,3,4-THIADIAZOL-2-YLOXYACETIC ACID AMIDES, METHODS FOR THE PRODUCTION THEREOF AND THEIR USE AS HERBICIDES
DE3228147A1 (en) * 1982-07-28 1984-02-09 Bayer Ag, 5090 Leverkusen SUBSTITUTED 3-TRIHALOGENMETHYL-1,2,4-THIADIAZOL-5-YL-OXYACETIC ACID AMIDES, METHODS FOR THE PRODUCTION THEREOF AND THEIR USE AS HERBICIDES
DE3228131A1 (en) * 1982-07-28 1984-02-02 Bayer Ag, 5090 Leverkusen SUBSTITUTED 3-TRICHLORMETHYL-1,2,4-THIADIAZOL-5-YL-OXYACETIC ACID AMIDES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS HERBICIDES
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CN111303073A (en) * 2020-03-07 2020-06-19 内蒙古工业大学 Method for preparing pesticide mefenacet by using benzothiazolone and 2-halogenated-N-methyl-N-phenyl acetamide
CN111303073B (en) * 2020-03-07 2022-03-29 内蒙古工业大学 Method for preparing pesticide mefenacet by using benzothiazolone and 2-halogenated-N-methyl-N-phenyl acetamide

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