CN112300092B - Heterocyclylalkyl-substituted dichlorobenzoyl compounds and application thereof - Google Patents

Heterocyclylalkyl-substituted dichlorobenzoyl compounds and application thereof Download PDF

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CN112300092B
CN112300092B CN202010739115.8A CN202010739115A CN112300092B CN 112300092 B CN112300092 B CN 112300092B CN 202010739115 A CN202010739115 A CN 202010739115A CN 112300092 B CN112300092 B CN 112300092B
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CN112300092A (en
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李义涛
林健
吴庆国
张虎
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Dongguan Hec Pesticides R&d Co ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/84—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or 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
    • C07D231/18—One oxygen or sulfur atom
    • C07D231/20—One oxygen atom attached in position 3 or 5
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
    • C07D265/04—1,3-Oxazines; Hydrogenated 1,3-oxazines
    • C07D265/06—1,3-Oxazines; Hydrogenated 1,3-oxazines not condensed with other rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
    • C07D295/027—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements containing only one hetero ring
    • C07D295/03—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements containing only one hetero ring with the ring nitrogen atoms directly attached to acyclic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/10—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms
    • C07D295/112—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
    • C07D295/116—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings with the doubly bound oxygen or sulfur atoms directly attached to a carbocyclic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/10—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings

Abstract

The invention provides a heterocyclic alkyl substituted dichlorobenzoyl compound and application thereof; specifically, the invention provides a compound shown in a formula (I) and a preparation method thereof; compositions containing these compounds and their use as herbicides; wherein Q is optionally substituted oxycyclohexenyl or substituted pyrazolyl, and the like; r is R 1 Is hydroxy, C 1‑6 Alkyl groups, etc.; m is 0, 1, 2, etc.; x is-O-, -S (=O) n -and the like; n is 0, 1 or 2.

Description

Heterocyclylalkyl-substituted dichlorobenzoyl compounds and application thereof
Technical Field
The invention relates to the field of agriculture, in particular to a novel heterocyclylalkyl substituted dichlorobenzoyl compound and a preparation method thereof; compositions containing these compounds and their use in agriculture.
Background
Substituted benzoyl compounds are a class of compounds with excellent biological activity, the herbicidal activity of which is described in, for example, CN105766944, CN102464630, WO2004024687, CN 103025718. However, the active ingredients known from the documents cited above have disadvantages in use, for example (a) no or only insufficient herbicidal action on the weed plants, (b) a too narrow spectrum of weed plants to be controlled or (c) a too low selectivity in the crops of useful plants.
Thus, there remains a need for further development and improvement of benzoyl compounds to obtain a range of benzoyl compounds with better herbicidal activity and/or selectivity.
Disclosure of Invention
The present invention provides a novel heterocyclylalkyl-substituted dichlorobenzoyl compound having excellent herbicidal action, a broad weed control spectrum and excellent selectivity between crops and weeds.
In one aspect, the present invention provides a compound of formula (I) or a stereoisomer, tautomer, nitroxide, or salt of a compound of formula (I):
Figure SMS_1
wherein:
R 1 is hydroxy, cyano, amino, nitro, C 1-6 Alkyl, C 2-6 Alkenyl, C 2-6 Alkynyl, C 1-6 Alkoxy, halo C 1-6 Alkyl, halogenated C 2-6 Alkenyl, halo C 2-6 Alkynyl, halo C 1-6 Alkoxy or C 3-8 Cycloalkyl;
m is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
x is-CH 2 -、-O-、-S(＝O) n -or-NH-;
n is 0, 1 or 2;
q is the following sub-structural formula:
Figure SMS_2
R 2 and R is 2a Each independently is hydrogen or C 1-6 An alkyl group;
R 3 is hydrogen, C 1-6 Alkyl, C 2-6 Alkenyl, C 2-6 Alkynyl or C 3-8 Cycloalkyl;
R 4 is hydrogen or-CH 2 -CO-C 6-10 An aryl group; wherein the-CH 2 -CO-C 6-10 Aryl is optionally substituted with 1, 2 or 3 substituents selected from halogen or C 1-6 The substituent of the alkyl group is substituted.
In some embodiments, R 1 Is hydroxy, cyano, amino, nitro, C 1-4 Alkyl, C 2-4 Alkenyl, C 2-4 Alkynyl, C 1-4 Alkoxy, halo C 1-4 Alkyl, halogenated C 2-4 Alkenyl, halo C 2-4 Alkynyl, halo C 1-4 Alkoxy or C 3-6 Cycloalkyl groups.
In other embodiments, R 1 Is hydroxy, cyano, amino, nitro, methyl, ethyl, n-propyl, isopropyl, -CHF 2 、-CF 3 、-CH 2 CHF 2 、-CH 2 CF 3 Cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl.
In some embodiments, R 2 And R is 2a Each independently is hydrogen or C 1-4 An alkyl group.
In other embodiments, R 2 And R is 2a Each independently is hydrogen or C 1-3 An alkyl group.
In other embodiments, R 2 And R is 2a Each independently is hydrogen or methyl.
In some embodiments, R 3 Is hydrogen, C 1-4 Alkyl, C 2-4 Alkenyl, C 2-4 Alkynyl or C 3-6 Cycloalkyl groups.
In other embodiments, R 3 Is hydrogen, C 1-3 Alkyl, C 2-3 Alkenyl, C 2-3 Alkynyl or C 3-6 Cycloalkyl groups.
In other embodiments, R 3 Is hydrogen, methyl, ethyl, n-propyl, isopropyl, cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl.
In some embodiments, R 4 Is hydrogen or-CH 2 -CO-phenyl; wherein the-CH 2 -CO-phenyl optionally substituted with 1, 2 or 3 groups selected from halogen or C 1-4 The substituent of the alkyl group is substituted.
In other embodiments, R 4 Is hydrogen or-CH 2 -CO-phenyl; wherein the-CH 2 -CO-phenyl optionally substituted with 1, 2 or 3 substituents selected from chloro or methyl.
In some embodiments, the present invention provides a compound that is a compound of formula (Ia) or a stereoisomer, tautomer, nitroxide, or salt of a compound of formula (Ia):
Figure SMS_3
wherein:
q has the meaning as described in the present invention;
R 1a and R is 1b Each independently is hydrogen or C 1-3 An alkyl group.
In some embodiments, the present invention provides a compound that is a compound of formula (Ib) or a stereoisomer, tautomer, oxynitride or salt of a compound of formula (Ib):
Figure SMS_4
wherein: q and n have the meaning as described in the present invention.
In other embodiments, Q is of the formula:
Figure SMS_5
in other embodiments, R 1a And R is 1b Each independently is hydrogen or methyl.
In other embodiments, n is 0, 1, or 2.
In some embodiments, the present invention provides a compound that is a compound of formula (Ia-1) or a stereoisomer, tautomer, oxynitride or salt of a compound of formula (Ia-1):
Figure SMS_6
wherein:
R 1a And R is 1b Each independently is hydrogen or C 1-6 An alkyl group;
R 2 and R is 2a Each independently is hydrogen or C 1-6 An alkyl group.
In other embodiments, R 1a And R is 1b Each independently is hydrogen or C 1-3 An alkyl group; r is R 2 And R is 2a Each independently is hydrogen or C 1-3 An alkyl group.
In other embodiments, R 1a And R is 1b Each independently is hydrogen or methyl; r is R 2 And R is 2a Each independently is hydrogen or methyl.
In some embodiments, the present invention provides a compound that is a compound of formula (Ia-2) or a stereoisomer, tautomer, oxynitride or salt of a compound of formula (Ia-2):
Figure SMS_7
wherein:
R 1a and R is 1b Each independently is hydrogen or C 1-6 An alkyl group.
In other embodiments, R 1a And R is 1b Each independently is hydrogen or C 1-3 An alkyl group.
In other embodiments, R 1a And R is 1b Each independently is hydrogen or methyl.
In some embodiments, the invention provides a compound that is a stereoisomer, tautomer, nitroxide, or salt thereof, of a compound having one of the following structures:
Figure SMS_8
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Figure SMS_9
/>
Figure SMS_10
/>
Figure SMS_11
in some of these embodiments, the present invention provides a compound, most preferably a compound having the specific structure:
Figure SMS_12
/>
Figure SMS_13
or a stereoisomer, tautomer, nitroxide or salt thereof of said structure.
Biological activity tests show that the compound shown in the formula (I) has good herbicidal activity, and compared with a compound in which the 4-substituent of the benzene ring is methylsulfonyl, the compound has more excellent herbicidal activity. Taking purslane prevention and control as an example, spraying post-emergence weeds according to the indoor herbicidal activity record in CN103025718A, wherein the prevention effect of the compound I-1-1 on the purslane is 0 in 60g/ha and 90 g/ha; the control effect of the compound of the invention on purslane at 37.5g/ha and 75g/ha is at least more than 82%.
Example 1 in CN103025718A (compound I-1-1) has the following structure:
Figure SMS_14
the compound can effectively control the weeds such as abutilon, purslane, barnyard grass or zinnia, and the like, and can obtain good effect at low dosage. The compound has good safety on peanuts, corns, paddy rice and wheat, and is preferably used for controlling weeds in peanut fields, corn fields, paddy fields and wheat fields.
In another aspect, the invention provides a composition comprising a compound of the invention.
In some of these embodiments, the compositions of the present invention further optionally comprise at least one additional component.
In particular, the additional components are surfactants, solid diluents, liquid diluents, buffers, defoamers, thickeners, antifreeze agents, antimicrobial agents, and/or film formers.
In another aspect, the invention provides the use of a compound of the invention or a composition comprising a compound of the invention in agriculture.
In some embodiments, the invention provides the use of a compound of the invention or a composition comprising a compound of the invention as a herbicide for controlling weeds in useful plants.
In other embodiments, the invention provides the use of a compound of the invention or a composition comprising a compound of the invention for controlling grassy weeds.
In other embodiments, the invention provides the use of a compound of the invention or a composition comprising a compound of the invention for controlling broadleaf weeds.
In other embodiments, the invention provides the use of a compound of the invention or a composition comprising a compound of the invention for controlling abutilon, purslane, barnyard grass and/or zinnia.
In a further aspect, the present invention provides the use of a compound according to the invention or a composition comprising a compound according to the invention for controlling unwanted vegetation.
In a further aspect, the present invention provides the use of a compound of the invention or a composition comprising a compound of the invention as a herbicide.
In another aspect, the invention provides the use of a compound of the invention or a composition comprising a compound of the invention as a pre-emergence herbicide.
In another aspect, the invention provides the use of a compound of the invention or a composition comprising a compound of the invention as a post-emergence herbicide.
In another aspect, the present invention provides a method for controlling unwanted plants, characterized in that an effective amount of a compound of the present invention is applied to the plants, plant seeds, soil in or on which the plants are grown, or the cultivation area.
In a further aspect, the present invention provides a method of controlling weed growth in a useful plant comprising applying to the locus of the weed an effective amount of a compound of the invention or a composition comprising a compound of the invention.
Specifically, the weeds are one or more of abutilon, purslane, barnyard grass or zinnia.
Specifically, the useful plant is at least one of peanut, corn, rice or wheat.
The compound provided by the invention is a novel compound which is more effective to weeds, lower in cost, lower in toxicity and safe to crops.
In the compounds shown in the formula (I), the formula (Ia-1), the formula (Ia-2) or the formula (Ib), stereoisomers (R and S are respectively used for representing different configurations) can be formed due to different configurations, and the invention comprises R-type isomer and S-type isomer and the mixture of any proportion thereof; since keto/enol tautomerism may exist in a variety of tautomers, the present invention includes all tautomers and mixtures thereof in any ratio.
Isotopically enriched compounds have structures depicted by the formulae given herein except that one or more atoms are replaced by an atom having a selected atomic or mass number. Exemplary isotopes that can be incorporated into compounds of the invention include isotopes of hydrogen, carbon, nitrogen, oxygen, phosphorus, sulfur, fluorine, and chlorine, such as 2 H， 3 H， 11 C， 13 C， 14 C， 15 N， 17 O， 18 O， 18 F， 31 P， 32 P， 35 S， 36 Cl and Cl 125 I。
The foregoing merely outlines certain aspects of the invention and is not limited to these and other aspects, which are described more fully below.
Detailed description of the invention
Definitions and general terms
Reference will now be made in detail to certain embodiments of the invention, examples of which are illustrated in the accompanying structural and chemical formulas. The invention is intended to cover all alternatives, modifications and equivalents, which may be included within the scope of the invention as defined by the appended claims. Those skilled in the art will recognize that many methods and materials similar or equivalent to those described herein can be used in the practice of the present invention. The present invention is in no way limited to the methods and materials described herein. In the event of one or more of the incorporated references, patents and similar materials differing from or contradictory to the present application (including but not limited to defined terms, term application, described techniques, etc.), the present application controls.
It should be further appreciated that certain features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, various features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable sub-combination.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. All patents and publications referred to herein are incorporated by reference in their entirety.
The following definitions as used herein should be applied unless otherwise indicated. For the purposes of the present invention, the chemical elements are in accordance with CAS version of the periodic Table of the elements, and handbook of chemistry and Physics, 75 th edition, 1994. In addition, general principles of organic chemistry may be referenced by the descriptions in "Organic Chemistry", thomas Sorrell, university Science Books, sausalato:1999, and "March's Advanced Organic Chemistry" by Michael b.smith and Jerry March, john Wiley & Sons, new york:2007, the entire contents of which are incorporated herein by reference.
The articles "a," "an," and "the" are intended to include "at least one" or "one or more" unless the context clearly dictates otherwise or otherwise. Thus, as used herein, these articles refer to one or to more than one (i.e., to at least one) object. For example, "a component" refers to one or more components, i.e., more than one component is contemplated as being employed or used in embodiments of the described embodiments.
The term "comprising" is an open-ended expression, i.e., including what is indicated by the invention, but not excluding other aspects.
"stereoisomers" refer to compounds having the same chemical structure but different arrangements of atoms or groups in space. Stereoisomers include enantiomers, diastereomers, conformational isomers (rotamers), geometric isomers (cis/trans), atropisomers, and the like.
"enantiomer" refers to two isomers of a compound that do not overlap but are in mirror image relationship to each other.
"diastereoisomers" refers to stereoisomers which have two or more chiralities and whose molecules are not mirror images of each other. Diastereomers have different physical properties, such as melting point, boiling point, spectral properties, and reactivity. The diastereomeric mixture may be separated by high resolution analytical procedures such as electrophoresis and chromatography, e.g., HPLC.
The stereochemical definitions and rules used in the present invention generally follow S.P. Parker, ed., mcGraw-Hill Dictionary of Chemical Terms (1984) McGraw-Hill Book Company, new York; and Eliel, e.and Wilen, s., "Stereochemistry of Organic Compounds", john Wiley & Sons, inc., new York, 1994.
Many organic compounds exist in optically active form, i.e., they have the ability to rotate the plane of plane polarized light. In describing optically active compounds, the prefixes D and L or R and S are used to represent the absolute configuration of the molecule with respect to one or more of its chiral centers. The prefixes d and l or (+) and (-) are symbols for specifying the rotation of plane polarized light by a compound, where (-) or l indicates that the compound is left-handed. The compound prefixed with (+) or d is dextrorotatory. One particular stereoisomer is an enantiomer, and a mixture of such isomers is referred to as an enantiomeric mixture. A50:50 mixture of enantiomers is referred to as a racemic mixture or racemate, which can occur when there is no stereoselectivity or stereospecificity in a chemical reaction or process.
The term "tautomer" or "tautomeric form" refers to structural isomers having different energies that can be interconverted by a low energy barrier (low energy barrier). If tautomerism is possible (e.g., in solution), chemical equilibrium of the tautomers can be achieved. For example, proton tautomers (also known as proton transfer tautomers (prototropic tautomer)) include interconversions by proton transfer, such as keto-enol isomerisation and imine-enamine isomerisation. Valence tautomers (valance tautomers) include interconversions by recombination of some of the bond-forming electrons. Specific examples of keto-enol tautomerism are tautomerism of pentane-2, 4-dione, hexane-1, 3-dione and 4-hydroxypent-3-en-2-one tautomer. Another example of tautomerism is phenol-ketone tautomerism. One specific example of phenol-ketone tautomerism is the interconversion of pyridin-4-ol and pyridin-4 (1H) -one tautomers. Unless otherwise indicated, all tautomeric forms of the compounds of the invention are within the scope of the invention.
In the present invention, depending on external conditions (such as solvent, pH, etc.), there is a tautomerism of keto-enol:
Figure SMS_15
"nitroxide" in the present invention means that when a compound contains several amine functions, 1 or more than 1 nitrogen atom can be oxidized to form an N-oxide. Specific examples of N-oxides are N-oxides of tertiary amines or N-oxides of nitrogen atoms of nitrogen-containing heterocycles. The corresponding amine may be treated with an oxidizing agent such as hydrogen peroxide or a peracid (e.g., peroxycarboxylic acid) to form an N-oxide (see Advanced Organic Chemistry, wiley Interscience, 4 th edition, jerry March, pages). In particular, the N-oxides can be prepared by the method L.W.Deady (Syn.Comm.1977, 7, 509-514) in which an amine compound is reacted with m-chloroperoxybenzoic acid (MCPBA), for example in an inert solvent such as methylene chloride.
The compounds of the invention may be optionally substituted with one or more substituents, as described in the present invention, such as the compounds of the general formula above, or as specific examples within the examples, subclasses, and classes of compounds encompassed by the invention. It is to be understood that the term "optionally substituted" may be used interchangeably with the term "substituted or unsubstituted". In general, the term "substituted" means that one or more hydrogen atoms in a given structure are replaced with a specific substituent. An optional substituent group may be substituted at each substitutable position of the group unless otherwise indicated. When more than one position in a given formula can be substituted with one or more substituents selected from a particular group, then the substituents may be the same or different substituted at each position. Wherein the substituents may be, but are not limited to, deuterium, fluorine, chlorine, bromine, iodine, cyano, hydroxyl, nitro, amino, carboxyl, alkyl, alkoxy, alkoxyalkyl, alkoxyalkoxy, alkoxyalkylamino, aryloxy, heteroaryloxy, heterocyclyloxy, arylalkoxy, heteroarylalkoxy, heterocyclylalkoxy, cycloalkylalkoxy, alkylamino alkyl, alkylamino, cycloalkylamino, cycloalkylalkylamino, alkylthio, haloalkyl, haloalkoxy, hydroxyl-substituted alkyl, hydroxyl-substituted alkylamino, cyano-substituted alkyl, cyano-substituted alkoxy, cyano-substituted alkylamino, amino-substituted alkyl, alkanoyl, heteroalkyl, cycloalkyl, cycloalkenyl, cycloalkylalkyl, heterocyclyl, heterocyclylalkyl, heterocyclylacyl, aryl, arylalkyl, arylamino, heteroaryl, heteroarylalkyl, heteroarylamino, amido, sulfonyl, aminosulfonyl, and the like.
In addition, unless explicitly indicated otherwise, the descriptions used in this disclosure of the manner in which each … is independently "and" … is independently "and" … is independently "are to be construed broadly as meaning that particular items expressed between the same symbols in different groups do not affect each other, or that particular items expressed between the same symbols in the same groups do not affect each other.
In the various parts of the present specification, substituents of the presently disclosed compounds are disclosed in terms of the type or scope of groups. It is specifically noted that the present invention includes each individual subcombination of the individual members of these group classes and ranges. For example, the term "C 1 -C 6 Alkyl "or" C 1-6 Alkyl "means in particular methyl, ethyl, C independently disclosed 3 Alkyl, C 4 Alkyl, C 5 Alkyl and C 6 An alkyl group.
The term "alkyl" or "alkyl group" as used herein, means a saturated straight or branched monovalent hydrocarbon group containing 1 to 20 carbon atoms; wherein the alkyl group is optionally substituted with one or more substituents described herein. Unless otherwise specified, the alkyl group contains from 1 to 20 carbon atoms. In one embodiment, the alkyl group contains 1 to 12 carbon atoms; in one embodiment, the alkyl group contains 1 to 10 carbon atoms; in one embodiment, the alkyl group contains 1 to 8 carbon atoms; in another embodiment, the alkyl group contains 1 to 6 carbon atoms; in yet another embodiment, the alkyl group contains 1 to 4 carbon atoms; in yet another embodiment, the alkyl group contains 1 to 3 carbon atoms.
Examples of alkyl groups include, but are not limited to, methyl (Me, -CH 3 ) Ethyl (Et, -CH) 2 CH 3 ) N-propyl (n-Pr, -CH) 2 CH 2 CH 3 ) Isopropyl (i-Pr, -CH (CH) 3 ) 2 ) N-butyl (n-Bu, -CH) 2 CH 2 CH 2 CH 3 ) Isobutyl (i-Bu, -CH) 2 CH(CH 3 ) 2 ) Sec-butyl (s-Bu, -CH (CH) 3 )CH 2 CH 3 ) Tert-butyl (t-Bu, -C (CH) 3 ) 3 ) N-pentyl (-CH) 2 CH 2 CH 2 CH 2 CH 3 ) 2-pentyl (-CH (CH) 3 )CH 2 CH 2 CH 3 ) 3-pentyl (-CH (CH) 2 CH 3 ) 2 ) 2-methyl-2-butyl (-C (CH) 3 ) 2 CH 2 CH 3 ) 3-methyl-2-butyl (-CH (CH) 3 )CH(CH 3 ) 2 ) 3-methyl-1-butyl (-CH) 2 CH 2 CH(CH 3 ) 2 ) 2-methyl-1-butyl (-CH) 2 CH(CH 3 )CH 2 CH 3 ) N-hexyl (-CH) 2 CH 2 CH 2 CH 2 CH 2 CH 3 ) 2-hexyl (-CH (CH) 3 )CH 2 CH 2 CH 2 CH 3 ) 3-hexyl (-CH (CH) 2 CH 3 )(CH 2 CH 2 CH 3 ) 2-methyl-2-pentyl (-C (CH) 3 ) 2 CH 2 CH 2 CH 3 ) 3-methyl-2-pentyl (-CH (CH) 3 )CH(CH 3 )CH 2 CH 3 ) 4-methyl-2-pentyl (-CH (CH) 3 )CH 2 CH(CH 3 ) 2 ) 3-methyl-3-pentyl (-C (CH) 3 )(CH 2 CH 3 ) 2 ) 2-methyl-3-pentyl (-CH (CH) 2 CH 3 )CH(CH 3 ) 2 ) 2, 3-dimethyl-2-butyl (-C (CH) 3 ) 2 CH(CH 3 ) 2 ) 3, 3-dimethyl-2-butyl (-CH (CH) 3 )C(CH 3 ) 3 ) N-heptyl, n-octyl, and the like.
The term "alkenyl" denotes a straight-chain or branched monovalent hydrocarbon radical containing 2 to 12 carbon atoms, in which there is at least one point of unsaturation, i.e. one carbon-carbon sp 2 A double bond, wherein the alkenyl groups may optionally be substituted with one or moreThe substituents described herein are substituted and include the positioning of "cis" and "tans", or the positioning of "E" and "Z". In one embodiment, the alkenyl group contains 2 to 10 carbon atoms; in one embodiment, the alkenyl group contains 2 to 8 carbon atoms; in another embodiment, the alkenyl group comprises 2 to 6 carbon atoms; in yet another embodiment, the alkenyl group contains 2 to 4 carbon atoms. Examples of alkenyl groups include, but are not limited to, vinyl (-ch=ch) 2 ) Allyl (-CH) 2 CH＝CH 2 ) Propenyl (CH) 3 -CH＝CH-)， -CH 2 CH 2 CH＝CH 2 、-CH 2 CH＝CHCH 3 、-CH 2 CH 2 CH 2 CH＝CH 2 、-CH 2 CH 2 CH＝CHCH 3 、 -CH 2 CH 2 CH 2 CH＝CHCH 3 Etc.
The term "alkynyl" denotes a straight or branched chain monovalent hydrocarbon radical containing 2 to 12 carbon atoms, wherein there is at least one carbon-carbon sp triple bond, wherein the alkynyl group may be optionally substituted with one or more substituents described herein. In one embodiment, the alkynyl group contains 2 to 10 carbon atoms; in one embodiment, the alkynyl group contains 2 to 8 carbon atoms; in another embodiment, the alkynyl group contains 2 to 6 carbon atoms; in yet another embodiment, the alkynyl group contains 2 to 4 carbon atoms. Examples of alkynyl groups include, but are not limited to, -C.ident.CH, -C.ident.CCH 3 、-CH 2 -C≡CH、-CH 2 -C≡CCH 3 、 -CH 2 CH 2 -C≡CH、-CH 2 -C≡CCH 2 CH 3 、-CH 2 CH 2 -C≡CCH 3 Etc.
The term "alkoxy" means that the alkyl group is attached to the remainder of the molecule through an oxygen atom, wherein the alkyl group has the meaning as described herein. Unless otherwise specified, the alkoxy groups contain 1 to 12 carbon atoms. In one embodiment, the alkoxy group contains 1 to 10 carbon atoms; in one embodiment, the alkoxy group contains 1 to 8 carbon atoms; in one embodiment, the alkoxy group contains 1 to 6 carbon atoms; in another embodiment, the alkoxy group contains 1 to 4 carbon atoms; in yet another embodiment, the alkoxy group contains 1 to 3 carbon atoms. The alkoxy group may be optionally substituted with one or more substituents described herein.
Examples of alkoxy groups include, but are not limited to, methoxy (MeO, -OCH) 3 ) Ethoxy (EtO, -OCH) 2 CH 3 ) 1-propoxy (n-PrO, n-propoxy, -OCH) 2 CH 2 CH 3 ) 2-propoxy (i-PrO, i-propoxy, -OCH (CH) 3 ) 2 ) 1-butoxy (n-BuO, n-butoxy, -OCH) 2 CH 2 CH 2 CH 3 ) 2-methyl-l-propoxy (i-BuO, i-butoxy, -OCH) 2 CH(CH 3 ) 2 ) 2-butoxy (s-BuO, s-butoxy, -OCH (CH) 3 )CH 2 CH 3 ) 2-methyl-2-propoxy (t-BuO, t-butoxy, -OC (CH) 3 ) 3 ) 1-pentoxy (n-pentoxy, -OCH) 2 CH 2 CH 2 CH 2 CH 3 ) 2-pentoxy (-OCH (CH) 3 )CH 2 CH 2 CH 3 ) 3-pentoxy (-OCH (CH) 2 CH 3 ) 2 ) 2-methyl-2-butoxy (-OC (CH) 3 ) 2 CH 2 CH 3 ) 3-methyl-2-butoxy (-OCH (CH) 3 )CH(CH 3 ) 2 ) 3-methyl-l-butoxy (-OCH) 2 CH 2 CH(CH 3 ) 2 ) 2-methyl-l-butoxy (-OCH) 2 CH(CH 3 )CH 2 CH 3 ) And so on.
The term "halogen" refers to fluorine (F), chlorine (Cl), bromine (Br) or iodine (I).
The term "haloalkyl" means an alkyl group substituted with one or more halogen atoms. Examples of haloalkyl groups include, but are not limited to, -CH 2 F，-CHF 2 ，-CH 2 Cl，-CH 2 Br，-CF 3 ，-CH 2 CF 3 ，-CH 2 CH 2 F，-CH 2 CH 2 Cl， -CH 2 CH 2 Br，-CH 2 CHF 2 ，-CH 2 CH 2 CF 3 ，-CH 2 CH 2 CH 2 F，-CH 2 CH 2 CH 2 Cl，-CH 2 CH 2 CH 2 Br， -CHFCH 2 CH 3 ，-CHClCH 2 CH 3 And so on.
The term "haloalkoxy" means that the alkoxy group is substituted with one or more halogen atoms. Examples of haloalkoxy groups include, but are not limited to, -OCH 2 F，-OCHF 2 ，-OCH 2 Cl，-OCH 2 Br，-OCF 3 ，-OCH 2 CF 3 ，-OCH 2 CH 2 F， -OCH 2 CH 2 Cl，-OCH 2 CH 2 Br，-OCH 2 CHF 2 ，-OCH 2 CH 2 CF 3 ，-OCH 2 CH 2 CH 2 F，-OCH 2 CH 2 CH 2 Cl， -OCH 2 CH 2 CH 2 Br，-OCHFCH 2 CH 3 ，-OCHClCH 2 CH 3 And so on.
The term "haloalkenyl" means that the alkenyl group is substituted with one or more halogen atoms.
The term "haloalkynyl" means that the alkynyl group is substituted with one or more halogen atoms.
The term "cycloalkyl" denotes a monovalent or polyvalent saturated monocyclic, bicyclic or tricyclic ring system containing 3 to 12 carbon atoms. In one embodiment, cycloalkyl groups contain 3 to 12 carbon atoms; in one embodiment, cycloalkyl groups contain 3 to 10 carbon atoms; in another embodiment, cycloalkyl groups contain 3 to 8 carbon atoms; in yet another embodiment, cycloalkyl groups contain 3 to 6 carbon atoms. The cycloalkyl group is optionally substituted with one or more substituents described herein. Examples include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclononyl, cyclodecyl, cyclododecyl, adamantyl, and the like.
The term "unsaturated" as used in the present invention means that the group contains one or more unsaturations.
The term "heteroatom" refers to O, S, N, P and Si, including N, S and any oxidation state forms of P; primary, secondary, tertiary and quaternary ammonium salt forms; or a form in which the hydrogen on the nitrogen atom in the heterocycle is substituted, for example, N (like N in 3, 4-dihydro-2H-pyrrolyl), NH (like NH in pyrrolidinyl) or NR (like NR in N-substituted pyrrolidinyl).
The term "aryl" means a monocyclic, bicyclic, and tricyclic carbocyclic ring system containing 6 to 14 ring atoms, or 6 to 12 ring atoms, or 6 to 10 ring atoms, wherein at least one ring system is aromatic, wherein each ring system contains a ring of 3 to 7 atoms, and one or more attachment points are attached to the remainder of the molecule. The term "aryl" may be used interchangeably with the term "aromatic ring". Examples of aryl groups may include phenyl, indenyl, naphthyl and anthracenyl. The aryl group is optionally substituted with one or more substituents described herein.
When the compounds of the present invention contain one acid moiety, salts of the compounds of the present invention include those derived from alkali metals or alkaline earth metals, as well as those derived from ammonia and amines. Preferred cations include sodium, potassium, magnesium and have the formula N + (R 19 R 20 R 21 R 22 ) Wherein R is an ammonium cation of 19 、R 20 、R 21 And R is 22 Independently selected from hydrogen, C 1 -C 6 Alkyl and C 1 -C 6 A hydroxyalkyl group. Salts of the compounds of formula (I), formula (Ia) or formula (Ib) may be prepared by treating a compound of formula (I), formula (Ia) or formula (Ib) with a metal hydroxide (e.g. sodium hydroxide) or an amine (e.g. ammonia, trimethylamine, diethanolamine, 2-methylthiopropylamine, bisallylamine, 2-butoxyethylamine, morpholine, cyclododecamine or benzylamine).
When the compounds of the present invention contain a base moiety, acceptable salts may be formed with organic and inorganic acids, such as acetic, propionic, lactic, citric, tartaric, succinic, fumaric, maleic, malonic, mandelic, malic, phthalic, hydrochloric, hydrobromic, phosphoric, nitric, sulfuric, methanesulfonic, naphthalenesulfonic, benzenesulfonic, toluenesulfonic, camphorsulfonic, and similarly known acceptable acids.
Compositions and formulations of the compounds of the invention
The compounds of the present invention are generally useful as herbicide active ingredients in compositions or formulations having at least one additional component selected from the group consisting of surfactants, solid diluents, liquid diluents, buffers, anti-foam agents, thickeners, antifreeze agents, antimicrobial agents, film formers, and the like, which meet the pesticide use requirements, are within the scope of the present invention. The formulation or composition ingredients are selected to be compatible with the physical characteristics of the active ingredient, the mode of application, and environmental factors such as soil type, humidity and temperature.
Useful formulations include liquid compositions and solid compositions. Liquid compositions include solutions (including emulsifiable concentrates), suspensions, emulsions (including microemulsions and/or suspoemulsions), and the like, which may optionally be thickened to a gel. General types of aqueous liquid compositions are soluble concentrates, suspension concentrates, capsule suspensions, concentrated emulsions, microemulsions and suspoemulsions. The general types of nonaqueous liquid compositions are emulsifiable concentrates, microemulsifyable concentrates, dispersible concentrates and oil dispersions.
The general types of solid compositions are powders, granules, pellets, lozenges, tablets, filled films (including seed coatings), and the like, which may be water dispersible ("wettable") or water soluble. Films and coatings formed from film-forming solutions or flowable suspensions are particularly useful for seed treatment. The active ingredient may be (micro) encapsulated and further form a suspension or solid formulation; alternatively, the entire active ingredient formulation may be encapsulated (or "coated"). Encapsulation can control or delay the release of the active ingredient. Emulsifiable granules combine the advantages of both emulsifiable concentrate formulations and dry granule formulations. The high concentration compositions are mainly used as intermediates for other formulations.
Sprayable formulations are typically dispersed in a suitable medium prior to spraying. Such liquid and solid formulations are formulated as formulations that are readily diluted in a spray medium (typically water). The spray volume may be in the range of about one to several thousand litres per hectare, but more typically in the range of about ten to several hundred litres per hectare. The sprayable formulation may be mixed with water or another suitable medium in a sink for treatment of the foliage by air or ground application or into the growing medium of the plant. The liquid and dry formulations may be dosed directly into the drip irrigation system or into the furrow during planting.
The formulation will typically comprise an effective amount of the active ingredient, diluent and surfactant, the sum being 100% by weight.
Solid diluents include, for example, clays such as bentonite, montmorillonite, attapulgite and kaolin, gypsum, cellulose, titanium dioxide, zinc oxide, starch, dextrin, sugars (e.g. lactose, sucrose), silica, talc, mica, diatomaceous earth, urea, calcium carbonate, sodium carbonate and sodium bicarbonate and sodium sulfate. Typical solid diluents are described in Watkins et al, handbook of Insecticide Dust Diluents and Carriers, 2 nd edition, dorland Books, caldwell, new Jersey.
Liquid diluents include, for example, water, N-dimethylalkanamide (e.g., N-dimethylformamide), limonene, dimethyl sulfoxide, N-alkylpyrrolidone (e.g., N-methylpyrrolidone), ethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, propylene carbonate, butylene carbonate, paraffins (e.g., white mineral oil, normal paraffins, isoparaffins), alkylbenzenes, alkylnaphthalenes, glycerol, glyceryl triacetate, sorbitol, aromatic hydrocarbons, dearomatized aliphatic compounds, alkylbenzenes, alkylnaphthalenes, ketones (e.g., cyclohexanone, 2-heptanone, isophorone and 4-hydroxy-4-methyl-2-pentanone), acetates (e.g., isopentyl acetate, hexyl acetate, heptyl acetate, octyl acetate, nonyl acetate, tridecyl acetate and isobornyl acetate), other esters (e.g., alkylated lactate, dibasic esters and gamma-butyrolactone), and alcohols which may be linear, branched, saturated or unsaturated (e.g., methanol, ethanol, N-propanol, isopropanol, N-butanol, isobutanol, N-butyl acetate), N-hexanol, 2-ethylhexanol, n-octanol, decanol, isodecanol, isostearyl alcohol, cetyl alcohol, lauryl alcohol, tridecyl alcohol, oleyl alcohol, cyclohexanol, tetrahydrofurfuryl alcohol, diacetone alcohol and benzyl alcohol). The liquid diluent also includes saturated and unsaturated fatty acids (typically C 6 -C 22 ) Such as vegetable seed and fruit oils (e.g., olive oil, castor oil, linseed oil, sesame oil, corn oil, peanut oil, sunflower oil, grape seed oil, safflower oil, cottonseed oil, soybean oil, rapeseed oil, coconut oil, and palm kernel oil), animal-derived fats (e.g., tallow, lard, cod liver oil, fish oil), and mixtures thereof. Liquid diluents also include alkylated (e.g., methylated, ethylated, butylated) fatty acids, where the fatty acids can be obtained by hydrolysis of glycerides derived from plants and animals, and can be purified by distillation. Typical liquid diluents are described in solvent guides, 2 nd edition, interscience, new York,1950, of Marsden.
The solid and liquid compositions of the present invention generally comprise one or more surfactants. When added to a liquid, surfactants (also referred to as "surface-active agents") typically change, most typically lowering the surface tension of the liquid. Depending on the nature of the hydrophilic and lipophilic groups in the surfactant molecule, the surfactant may act as a wetting agent, dispersant, emulsifying agent or defoamer.
Surfactants can be classified as nonionic, anionic or cationic. Nonionic surfactants useful as the compositions of the present invention include, but are not limited to: alcohol alkoxylates, such as alcohol alkoxylates based on natural and synthetic alcohols (which are branched or linear) and prepared from alcohols and ethylene oxide, propylene oxide, butylene oxide or mixtures thereof; amine ethoxylated, alkanolamides and ethoxylated alkanolamides; alkoxylated triglycerides, such as ethoxylated soybeans, castor and rapeseed oils; alkylphenol ethoxylates, such as octylphenol ethoxylate, nonylphenol ethoxylate, dinonylphenol ethoxylate, and dodecylphenol ethoxylate (prepared from phenol and ethylene oxide, propylene oxide, butylene oxide, or mixtures thereof); a block polymer prepared from ethylene oxide or propylene oxide and a reverse block polymer, wherein the end block is prepared from propylene oxide; ethoxylated fatty acids; ethoxylated fatty esters and oils; ethoxylated methyl esters; ethoxylated tristyrylphenols (including those prepared from ethylene oxide, propylene oxide, butylene oxide, or mixtures thereof); fatty acid esters, glycerol esters, lanolin-based derivatives, polyethoxylated esters, such as polyethoxylated sorbitan fatty acid esters, polyethoxylated sorbitol fatty acid esters, and polyethoxylated glycerol fatty acid esters; other sorbitan derivatives such as sorbitan esters; polymeric surfactants such as random copolymers, block copolymers, alkyd PEG (polyethylene glycol) resins, grafted or comb polymers, and star polymers; polyethylene glycol (PEG); polyethylene glycol fatty acid esters; a silicone-based surfactant; and sugar derivatives such as sucrose esters, alkyl polyglucosides and alkyl polysaccharides.
Useful anionic surfactants include, but are not limited to: alkylaryl sulfonic acids and their salts; carboxylated alcohol or alkylphenol ethoxylates; diphenyl sulfonate derivatives; lignin and lignin derivatives, such as lignin sulfonates; maleic acid or succinic acid or their anhydrides; olefin sulfonate; phosphate esters such as phosphate esters of alcohol alkoxylates, phosphate esters of alkylphenol alkoxylates, and phosphate esters of styrylphenol ethoxylates; protein-based surfactants; sarcosine derivatives; styrylphenol ether sulfate; sulfates and sulfonates of oils and fatty acids; sulfates and sulfonates of ethoxylated alkylphenols; sulfate of alcohol; a sulfate salt of an ethoxylated alcohol; sulfonates of amines and amides, such as N, N-alkyl taurates; sulfonates of benzene, isopropyl benzene, toluene, xylene, and dodecyl benzene and tridecyl benzene; sulfonate of condensed naphthalene; sulfonates of naphthalene and alkyl naphthalenes; sulfonate of petroleum fraction; sulfosuccinamates; and sulfosuccinates and their derivatives, such as dialkyl sulfosuccinates.
Useful cationic surfactants include, but are not limited to: amides and ethoxylated amides; amines such as N-alkyl propylene diamine, tripropylene triamine and dipropylene tetramine, as well as ethoxylated amines, ethoxylated diamines and propoxylated amines (prepared from amines and ethylene oxide, propylene oxide, butylene oxide or mixtures thereof); amine salts such as amine acetate and diamine salts; quaternary ammonium salts such as quaternary salts, ethoxylated quaternary salts and di-quaternary salts; and amine oxides such as alkyl dimethyl amine oxide and di- (2-hydroxyethyl) -alkyl amine oxide.
Mixtures of nonionic and anionic surfactants or mixtures of nonionic and cationic surfactants may also be used in the compositions of the present invention. Nonionic, anionic and cationic surfactants and their proposed uses are disclosed in a number of published references, including McCutcheon's Division, the Manufacturing Confectioner Publishing co. Encyclopedia of Surface Active Agents by sisey and Wood, chemical publication.co., inc., new York,1964; and Synthetic Detergents by A.S. Davidson and B.Milwidsky, seventh edition, john Wiley and Sons, new York,1987.
The compositions of the present invention may also contain formulation aids and additives known to those skilled in the art as co-formulations (some of which may also be considered to act as solid diluents, liquid diluents or surfactants). Such formulation aids and additives can be controlled: pH (buffer), foaming during processing (defoamer such as polyorganosiloxane), sedimentation of active ingredient (suspending agent), viscosity (thixotropic thickener), microbial growth in the container (antimicrobial agent), product freezing (antifreeze), color (dye/pigment dispersion), elution (film former or binder), evaporation (anti-evaporation agent), and other formulation attributes. Film formers include, for example, polyvinyl acetate copolymers, polyvinylpyrrolidone-vinyl acetate copolymers, polyvinyl alcohol copolymers, and waxes. Examples of formulation aids and additives include McCutcheon's Volume 2 published by McCutcheon's Division, the Manufacturing Confectioner Publishing co: functional Materials, north America and International yearbook edition; and those listed in PCT publication WO 03/024322.
The compounds of the present invention and any other active ingredients are typically incorporated into the compositions of the present invention by dissolving the active ingredient in a solvent or by grinding the active ingredient in a liquid diluent or in a dry diluent. Solutions, including emulsifiable concentrates, can be prepared by simply mixing the ingredients. If the solvent used as the liquid composition of the emulsifiable concentrate is water-immiscible, an emulsifier is typically added to emulsify the solvent containing the active ingredient upon dilution with water. A media mill may be used to wet grind an active ingredient slurry having a particle size of up to 2,000 μm to obtain particles having an average diameter of less than 3 μm. The aqueous slurry may be prepared as a finished suspension concentrate (see, e.g., U.S.3,060,084) or further processed by spray drying to form water-dispersible granules. Dry formulations typically require a dry milling step that produces an average particle size in the range of 2 μm to 10 μm. Powders and powders may be prepared by mixing, and typically by grinding (e.g., with a hammer mill or fluid energy mill). The particles and granules can be prepared by spraying the active substance onto preformed particulate carriers or by agglomeration techniques. See Browning, "Agglomeration" (Chemical Engineering, 12/month 4/1967, pages 147-48; chemical Engineer's Handbook of Perry, 4 th edition, mcGraw-Hill, new York,1963, pages 8-57 and thereafter and WO91/13546. Pellets may be prepared as described in U.S.4,172,714. Water-dispersible and water-soluble granules may be prepared as set forth in U.S.4,144,050, U.S.3,920,442 and DE.3,246,493. Tablets may be prepared as set forth in U.S.5,180,587, U.S.5,232,701 and U.S.5,208,030. Films may be prepared as set forth in GB2,095,558 and U.S.3,299,566.
For additional information regarding The field of formulation, see "The Formulator's Toolbox-Product Forms for Modern Agriculture", pesticide Chemistry and Bioscience, the Food-Environment Challenge, edited by t.s. Brooks and t.r. roberts, proceedings of The 9th International Congress on Pesticide Chemistry,The Royal Society of Chemistry,Cambridge,1999, pages 120-133, of t.s. woods. See also U.S.3,235,361, column 6, line 16 to column 7, line 19 and examples 10-41; U.S.3,309,192, column 5, line 43 to column 7, line 62 and examples 8, 12, 15, 39, 41, 52, 53, 58, 132, 138-140, 162-164, 166, 167 and 169-182; U.S.2,891,855, column 3, line 66 to column 5, line 17 and examples 1-4; klingman Weed Control as a Science, john Wiley and Sons, inc., new York,1961, pages 81-96; hance et al Weed Control Handbook, 8 th edition, blackwell Scientific Publications, oxford,1989; and Developments in formulation technology, PJB Publications, richmond, UK,2000.
Use of the compounds of the invention
The herbicides of the invention can be used by spraying plants, applying to the soil, applying to the water surface. The amount of the active ingredient is appropriately determined to meet the purpose of use. The content of the active ingredient is appropriately determined according to the purpose.
The amount of the compound of the present invention to be used depends on the kind of the compound used, the target weeds, the tendency of the weeds to appear, the environmental conditions, the kind of herbicide, etc. When the herbicide according to the invention is used by itself, for example in the form of a powder or granules, its amount is suitably chosen to be from 1g to 50kg, preferably from 10g to 10kg, of active ingredient per hectare. When the herbicide of the present invention is used in liquid form, for example, in the form of emulsifiable concentrate, wettable powder or flowable formulation, its amount is suitably selected to be 0.1 to 50,000ppm, preferably 10 to 10,000ppm.
The present invention provides a method for controlling weeds in crops of useful plants, which method comprises applying to said weeds or to the locus of said weeds or to said useful plants or to the locus of said useful plants a compound or composition of the invention.
The present invention also provides a method of selectively controlling grasses and/or weeds in crops of useful plants, which comprises applying to the useful plants or to the locus thereof or to the cultivation area a herbicidally effective amount of a compound having the formula (I), formula (Ia-1), formula (Ia-2) or formula (Ib).
The term "herbicide" means a compound that controls or alters plant growth. The term "effective amount" means the amount of such a compound or a composition of such compounds that is capable of producing a controlled or altered plant growth effect. The effects of control or alteration include all naturally occurring deviations, such as killing, delay, leaf burn, albinism, dwarfing, etc. The term "plant" refers to all tangible parts of a plant, including seeds, seedlings, young plants, roots, tubers, stems, stalks, leaves, and fruits. The term "locus" is intended to include soil, seeds and seedlings, together with established plants (established vegetation) and includes not only areas where weeds may have grown, but also areas where weeds have not yet appeared, and also areas where useful plants are grown. "area of planting" includes the land on which crop plants have grown, as well as the land intended for planting such crop plants. The term "weed" as used herein means any undesired plant and thus includes not only the important agronomic weeds as described below, but also volunteer crop plants.
Useful plant crops in which the compositions according to the invention may be used include, but are not limited to, perennial crops such as citrus fruits, vines, nuts, oil palm, olives, pomes, stone fruits and rubber, and annual tillable crops such as cereals (e.g. barley and wheat), cotton, oilseed rape, maize, rice, soybean, sugar beet, sugarcane, sunflower, ornamental plants, switchgrass, turf and vegetables, especially cereals, maize and soybean.
The grass and weeds to be controlled may be monocotyledonous species such as, for example, agrimonia, myrtaria, avena, alternaria, bromus, tribulus, cyperus, crabgrass, barnyard, wild millet, lolium, july, panicum, poa, legionella, scirpus, setaria, sida and sorghum, or dicotyledonous species such as, for example, cannabis, amaranthus, chenopodium, chrysanthemum, euphorbia, lala, ipomoea, kochia, apocynum, polygonum, sida, sinapis, solanum, barbary, pogostemon, viola and Xanthium.
The compounds of the invention may show tolerance to important crops including, but not limited to, alfalfa, barley, cotton, wheat, canola, sugar beet, corn (maize), sorghum, soybean, rice, oat, peanut, vegetable, tomato, potato, perennial crops including coffee, cocoa, oil palm, rubber, sugarcane, citrus, grape, fruit tree, nut tree, banana, plantain, pineapple, hops, tea and forests such as per-tree and conifer (e.g., loblolly pine), and turf species (e.g., bluegrass, st. Augustine grass), kentucky and bermudagrass).
The compounds according to the invention of the formula (I), formula (Ia-1), formula (Ia-2) or formula (Ib) can also be used, if desired, in combination with other active ingredients, for example other herbicides and/or insecticides and/or acaricides and/or nematicides and/or molluscicides and/or fungicides and/or plant growth regulators. These mixtures, and the use of these mixtures to control weeds and/or unwanted plant growth, form further aspects of the invention. For the avoidance of doubt, the mixtures of the present invention also include mixtures of two or more different compounds of formula (I), formula (Ia-1), formula (Ia-2) or formula (Ib). In particular, the present invention also relates to a composition according to the invention comprising at least one further herbicide in addition to the compounds of formula (I), formula (Ia-1), formula (Ia-2) or formula (Ib).
General synthetic procedure
In this specification, a structure is dominant if there is any difference between a chemical name and a chemical structure. In general, the compounds of the invention may be prepared by the methods described herein unless otherwise indicated.
The testing conditions of the nuclear magnetic resonance hydrogen spectrum of the invention are as follows: chamberNuclear magnetic instruments of 400MHz or 600MHz of Bruker (Bruker) under the temperature condition, CDC1 3 ，d 6 -DMSO，CD 3 OD or d 6 Acetone as solvent (reported in ppm) with TMS (0 ppm) or chloroform (7.26 ppm) as reference standard. When multiple peaks occur, the following abbreviations will be used: s (single, singlet), d (doublet ), t (triplet, quartet), q (quartet), m (multiplet ), br (broadened, broad), dd (doublet of doublets, doublet), dt (doublet of triplets, doublet). Coupling constants are expressed in hertz (Hz).
The mass spectrometry method used in the invention comprises the following steps: agilent 1260HPLC was used; agilent 6120ESI.
Phase A: water (0.1% formic acid); and B phase: acetonitrile (containing 0.1% formic acid).
Gradient elution: 0-3min,5-100% B;3-6min,100% B.
Flow rate: 0.6mL/min.
Detection wavelength: 254nm.
MS parameters: ESI is scanning, collision induced ionization: 70V.
And (3) drying nitrogen: 12L/min, atomization gas pressure: 40psi, gas temperature: 350 ℃.
Taking a proper amount of sample, dissolving in 0.5mL of methanol, sampling, and performing primary MS full scanning under a positive ESI mode to obtain an excimer ion peak [ M+H ] ] + And (5) reading.
The following abbreviations are used throughout the present invention:
AIBN: azobisisobutyronitrile
DCM: dichloromethane (dichloromethane)
DMF: n, N-dimethylformamide, dimethylformamide
MeOH: methanol
NBS: n-bromosuccinimide
EtOH: ethanol
EtOAc: acetic acid ethyl ester
PE or Petroleum ether: petroleum ether
THF: tetrahydrofuran (THF)
TLC: thin layer chromatography
SOCl 2 : thionyl chloride
Na 2 SO 4 : sodium sulfate
K 2 CO 3 : potassium carbonate
DMSO: dimethyl sulfoxide
The following synthetic schemes and examples 1-38 are provided to further illustrate the teachings of the present invention.
Synthetic scheme
Synthesis scheme one
Figure SMS_16
Figure SMS_17
The compound (E) can be prepared by the synthesis of scheme one, wherein R 1 M and X have the meaning according to the invention. Reacting methyl 2, 4-dichloro-3- (bromomethyl) benzoate with a nitrogen-containing heterocyclic compound (M1) under alkaline conditions (such as sodium carbonate and potassium carbonate) at 0-35 ℃ to obtain a compound (A); hydrolyzing the compound (A) under alkaline conditions (such as lithium hydroxide) to obtain a compound (B); the compound (B) and acyl chloride (such as oxalyl chloride) react in a halogenating way at 0-100 ℃ to obtain a compound (C); esterifying the compound (C) with cyclohexanedione at 0-35 ℃ to obtain a compound (D); the compound (D) is subjected to Fries rearrangement reaction at the temperature of 10-40 ℃ under the action of a catalyst (such as trimethylcyano silane and acetone cyanohydrin) to obtain the target compound (E).
Synthesis scheme II
Figure SMS_18
The compound (G) can be prepared by the synthesis scheme II, wherein R 1 M, X and R 3 Has the meaning as described in the present invention. The compound (C) and the substituted pyrazole (F1) are subjected to esterification reaction at the temperature of 0-35 ℃ to obtain a compound (F); the compound (F) is catalyzedUnder the action of a reagent (such as trimethylcyano silane and acetone cyanohydrin), fries rearrangement reaction is carried out at the temperature of 10-40 ℃ to obtain the target compound (G).
Synthesis of a third embodiment
Figure SMS_19
The compound (H) can be prepared by the synthesis of scheme III, wherein R 1 M, X and R 3 Having the meaning as described in the present invention; wherein R is 5 Is hydrogen, C 1-6 Alkyl or halogen; y is halogen. Compound (G) and compound (H1) under alkaline conditions (e.g., cs) 2 CO 3 、K 2 CO 3 And the like) at 25-50 ℃ to obtain the target compound (H).
Synthesis scheme IV
Figure SMS_20
Compound (K) can be prepared by synthesis scheme IV, wherein R 1 M and X have the meaning according to the invention. Compound (C) and bicyclo [3.2.1]Esterification reaction of octane-2, 4-dione at 0-35 deg.c to obtain compound (J); under the action of a catalyst (such as trimethylcyano silane and acetone cyanohydrin), the compound (J) undergoes Fries rearrangement reaction at the temperature of 10-40 ℃ to obtain the target compound (K).
Examples
Example 1: preparation of 2- (2, 4-dichloro-3- (morpholinomethyl) benzoyl) -3-hydroxycyclohex-2-enone
Figure SMS_21
Step 1: preparation of 2, 4-dichloro-3-methylacetophenone
Figure SMS_22
To a single flask was added aluminum chloride (49.68 g,372.6 mmol) and 2, 6-dichlorotoluene (50 g,310.5 mmol), stirred at room temperature, then acetyl chloride (26.81 g,341.6 mmol) was slowly added dropwise, heated to 40℃and reacted for 2h, and TLC monitored the completion of the starting material reaction. The system was slowly poured into ice water (500 mL), acidified with dilute hydrochloric acid (1 m,30 mL), extracted with dichloromethane (150 mL x 3), dried over anhydrous sodium sulfate and concentrated to a colorless oil, 60g, 95% yield.
Step 2: preparation of 2, 4-dichloro-3-methylbenzoic acid
Figure SMS_23
To a single-necked flask, 2, 4-dichloro-3-methylacetophenone (30 g,147.7 mmol) and 1, 4-dioxane (100 mL) were added, the temperature was raised to 80℃and sodium hypochlorite solution (5% available chlorine 300 mL) was added dropwise, the temperature was maintained under stirring for 5h, and TLC monitoring of the completion of the reaction of the starting materials. After returning to room temperature, the phases were separated, the lower solution was separated, acidified to ph=2 with concentrated hydrochloric acid, suction filtered, the filter cake was washed with water (100 ml×3), and dried at 50 ℃ to give 22g of a white solid in 74% yield.
Step 3: preparation of methyl 2, 4-dichloro-3-methylbenzoate
Figure SMS_24
To a single-necked flask, 2, 4-dichloro-3-methylbenzoic acid (20 g,97.54 mmol) and methanol (80 mL) were added, the temperature was lowered to 0℃and SOCl was slowly added dropwise 2 (13.85 mL,195.0 mmol) was added dropwise, and the mixture was reacted at 60℃for 10 hours. Most of the methanol was distilled off under reduced pressure, the remaining material was slowly added to ice water (200 mL) and ph=8 was adjusted with saturated sodium bicarbonate solution, extracted with dichloromethane (50 ml×3), dried over anhydrous sodium sulfate, the organic phase was concentrated, and recrystallized to give 16.3g of a white solid in 76% yield.
Step 4: preparation of methyl 2, 4-dichloro-3- (bromomethyl) benzoate
Figure SMS_25
To a single flask was added methyl 2, 4-dichloro-3-methylbenzoate (12 g,54.78 mmol), NBS (13.65g,76.69 mmol), carbon tetrachloride (60 mL) and AIBN (1.8 g,10.92 mmol), nitrogen protection, stirred at 78℃for 3.5h and monitored by TLC for completion. Cooling, suction filtration, washing the filter cake with carbon tetrachloride (20 ml x 3), distilling off carbon tetrachloride under reduced pressure, and recrystallizing (petroleum ether/ethyl acetate (V/V) =5/1) to give 15g of a white solid with 92% yield.
Step 5: preparation of methyl 2, 4-dichloro-3- (morpholinomethyl) benzoate
Figure SMS_26
Morpholine (2.66 g,30.54 mmol) and potassium carbonate (4.22 g,30.54 mmol) were dissolved in acetonitrile (50 mL), stirred at room temperature for 30min, then a solution of methyl 2, 4-dichloro-3- (bromomethyl) benzoate (7 g,23.49 mmol) in acetonitrile (30 mL) was slowly added dropwise and reacted at room temperature, and TLC monitored for completion. The reaction was filtered and the filter cake was washed with acetonitrile (10 ml x 3), the filtrate was recovered and concentrated to give the crude product as a pale yellow oil, 6.55g, which was used directly in the next reaction.
Step 6: preparation of 2, 4-dichloro-3- (morpholinomethyl) benzoic acid
Figure SMS_27
Methyl 2, 4-dichloro-3- (morpholinomethyl) benzoate (6.4 g,21.04 mmol), lithium hydroxide monohydrate (1.77 g, 42.08 mmol) were dissolved in THF (30 mL), etOH (30 mL) and H 2 O (30 mL) in a mixed solvent, the reaction was performed at room temperature for 2h, and TLC was monitored to complete the reaction. The organic solvent was distilled off under reduced pressure, diluted with water (50 mL), extracted with ethyl acetate (30 mL x 2), the aqueous phase recovered, acidified by dropwise addition of dilute hydrochloric acid (1M) with stirring to adjust ph=5, the aqueous phase extracted with dichloromethane (30 mL x 3), and the organic phase concentrated to give 5.2g of yellow solid in 86% yield.
Step 7: preparation of 2, 4-dichloro-3- (morpholinomethyl) benzoyl chloride
Figure SMS_28
Compound 2, 4-dichloro-3- (morpholinomethyl) benzoic acid (1.0 g,3.45 mmol) was dissolved in ultra-dry dichloromethane (30 mL), cooled to 0deg.C, oxalyl chloride (874.9 mg,6.89 mmol) was added to the reaction mixture, and finally N, N-dimethylformamide (7.24 mg,0.34 mmol) was added to react at room temperature for 3 hours, followed by distillation under reduced pressure to remove the solvent, to give 848mg as a pale yellow viscous liquid in 80% yield.
Step 8: preparation of 3-oxocyclohex-1-en-1-yl 2, 4-dichloro-3- (morpholinomethyl) benzoate
Figure SMS_29
Compound 1, 3-cyclohexanedione (338.94 mg,3.02 mmol) was dissolved in ultra-dry dichloromethane (20 mL), triethylamine (556.14 mg,5.50 mmol) was added to the reaction mixture, a solution of 2, 4-dichloro-3- (morpholinomethyl) benzoyl chloride (848 mg,2.75 mmol) in dichloromethane (20 mL) was added to the reaction mixture, and the mixture was allowed to react at room temperature for 4 hours. Dichloromethane (50 mL) was added to dilute the reaction and washed with saturated sodium bicarbonate solution (50 mL x 2) and the organic phase recovered as anhydrous Na 2 SO 4 Drying, filtration, washing with dichloromethane (10 ml x 2), column chromatography (eluent: PE/EtOAc (V/V) =20/3) gave 900mg as yellow oil in 85% yield.
Step 9: preparation of 2- (2, 4-dichloro-3- (morpholinomethyl) benzoyl) -3-hydroxycyclohex-2-enone
Figure SMS_30
The compound 3-oxocyclohex-1-en-1-yl 2, 4-dichloro-3- (morpholinomethyl) benzoate (900 mg,2.34 mmol) was dissolved in ultra-dry acetonitrile (30 mL), triethylamine (470 mg,4.68 mmol) was then added to the reaction solution, and finally trimethylcyanosilane (34.85 mg,0.35 mmol) was added to the reaction solution for 6h at room temperature, and TLC monitored the starting material was complete. Reduced pressure distillationThe organic solvent was removed, the system was dissolved in water (50 mL), acidified with dilute hydrochloric acid (1M) to ph=5, extracted with dichloromethane (40 mL x 3), the organic phases combined, anhydrous Na 2 SO 4 Drying, filtration, concentration, column chromatography (eluent: DCM/MeOH (V/V) =100/1) gave 400mg of white solid in 46% yield.
MS(ES-API,pos.ion)m/z:384.1[M+H] + ；
1 H NMR(400MHz,CDCl 3 )δ7.37(d,J＝8.2Hz,1H),7.02(d,J＝8.2Hz,1H),3.76(s,2H), 3.68–3.63(m,4H),2.79(t,J＝6.2Hz,2H),2.59–2.52(m,4H),2.43(t,J＝6.4Hz,2H),2.08– 2.01(m,2H).
Example 2: preparation of 2- ((3-cyclopropyl-4- (2, 4-dichloro-3- (morpholinomethyl) benzoyl) -1-methyl-1H-pyrazol-5-yl) oxy) -1-phenylethanone
Figure SMS_31
Step 1: preparation of 3-cyclopropyl-1-methyl-1H-pyrazol-5-yl 2, 4-dichloro-3- (morpholinomethyl) benzoate
Figure SMS_32
3-cyclopropyl-1-methyl-5-hydroxypyrazole (290 mg,2.10 mmol) was dissolved in ultra-dry dichloromethane (20 mL), triethylamine (360 mg,3.57 mmol) was then added to the reaction solution, cooled to 0deg.C, a solution of 2, 4-dichloro-3- (morpholinomethyl) benzoyl chloride (549 mg,1.78 mmol) in dichloromethane (10 mL) was added to the reaction solution, the reaction was carried out at room temperature for 3h, and TLC monitored the completion of the starting material reaction. To the reaction solution was added saturated sodium bicarbonate solution (100 mL), extracted with dichloromethane (50 mL. Times.3), the organic phases combined, and anhydrous Na 2 SO 4 Drying, filtration, washing with dichloromethane, column chromatography (eluent: PE/EtOAc (V/V) =100/30) afforded 642mg of yellow solid in 88% yield.
MS-ESI:m/z 411.10[M+H] + .
Step 2: preparation of (3-cyclopropyl-5-hydroxy-1-methyl-1H-pyrazol-4-yl) (2, 4-dichloro-3- (morpholinomethyl) phenyl) methanone
Figure SMS_33
3-cyclopropyl-1-methyl-1H-pyrazol-5-yl 2, 4-dichloro-3- (morpholinomethyl) benzoate (640 mg,1.56 mmol) was dissolved in ultra-dry acetonitrile (20 mL), triethylamine (314 mg,3.10 mmol) was then added to the reaction solution, and finally trimethylcyanosilane (25 mg,0.25 mmol) was added to the reaction solution, reacted at room temperature for 5H, and TLC monitored the completion of the reaction of the starting material. Acidifying the reaction solution with acetic acid to ph=5, stirring for 30min, distilling off the solvent under reduced pressure, adding water (50 mL), extracting with dichloromethane (50 ml×3), combining the organic phases, anhydrous Na 2 SO 4 Drying, filtration, concentration, column chromatography (eluent: DCM/MeOH (V/V) =100/1) gave 320mg of yellow solid in 50% yield.
MS(ES-API,pos.ion)m/z:410.1[M+H] + .
1 H NMR(400MHz,CDCl 3 )δ7.37(d,J＝8.2Hz,1H),7.19(d,J＝8.2Hz,1H),3.78(s,2H), 3.65–3.61(m,4H),3.50(s,3H),2.59–2.53(m,4H),0.94(d,J＝4.8Hz,1H),0.71(s,2H),0.36 (d,J＝7.6Hz,2H).
Step 3: preparation of 2- ((3-cyclopropyl-4- (2, 4-dichloro-3- (morpholinomethyl) benzoyl) -1-methyl-1H-pyrazol-5-yl) oxy) -1-phenylethanone
Figure SMS_34
The compound (3-cyclopropyl-5-hydroxy-1-methyl-1H-pyrazol-4-yl) (2, 4-dichloro-3- (morpholinomethyl) phenyl) methanone (150 mg,0.366 mmol) and K 2 CO 3 (75.8 mg, 0.248 mmol) was dissolved in DMF (10 mL), stirred at room temperature for 10min, then bromoacetophenone (80.0 mg,0.402 mmol) was added to the reaction solution, reacted at room temperature for 4h, and TLC monitored complete reaction of starting materials. The system was diluted with water (50 mL), extracted with ethyl acetate (50 mL. Times.3), the organic phases combined, washed once with saturated aqueous saline (50 mL), and dried over Na 2 SO 4 Drying, filtration, concentration, column chromatography (eluent: PE/EtOAc (V/V) =20/4) gave 86mg of off-white solid in 45% yield.
MS(ES-API,pos.ion)m/z:528.1[M+H] + ；
1 H NMR(400MHz,CDCl 3 )δ7.89(d,J＝7.4Hz,2H),7.61(t,J＝7.4Hz,1H),7.49(t,J＝ 7.7Hz,2H),7.36(d,J＝8.2Hz,1H),7.19(d,J＝8.2Hz,1H),5.87(s,2H),3.82(s,3H),3.74(s, 2H),3.61(s,4H),2.53(s,4H),1.10–1.04(m,1H),0.78–0.73(m,2H),0.42–0.36(m,2H).
Referring to the synthesis schemes one to four of the present invention, in combination with the synthesis methods of specific examples 1-2, the target compounds of Table 1 can be obtained using the corresponding raw materials and conditions.
TABLE 1
Figure SMS_35
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Figure SMS_36
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Figure SMS_37
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Figure SMS_38
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Figure SMS_39
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Figure SMS_40
/>
Figure SMS_41
/>
Figure SMS_42
/>
Figure SMS_43
/>
Figure SMS_44
/>
Figure SMS_45
/>
Figure SMS_46
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Figure SMS_47
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Figure SMS_48
Biological embodiment
The raw medicine with a certain mass is weighed by an analytical balance (0.0001 g), dissolved by a proper amount of DMF and then diluted by a certain volume of distilled water containing 1 permillage of Tween-80 emulsifier for standby.
Taking a flowerpot with the length and the width of 7.0cm, filling soil to 3/4 parts, directly sowing pretreated weed target seeds, covering soil by about 0.5cm, spraying when seedlings grow to a proper age stage, naturally airing the pesticide liquid after the pesticide application, transferring the pesticide liquid into a greenhouse for conventional culture, and investigating the activity (%) on weeds after 21 days; wherein 0 indicates no injury or normal growth process and 100 indicates complete death of at least aerial parts.
TABLE 2 Activity of the compounds of the invention against weeds at 300g/ha
Figure SMS_49
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Figure SMS_50
TABLE 3 Activity of the compounds of the invention against Abutilon and Portulaca oleracea at 150g/ha, 75g/ha, 37.5g/ha and 18.75g/ha
Figure SMS_51
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Figure SMS_52
/>
Figure SMS_53
TABLE 4 Activity of the inventive Compounds against barnyard grass at 150g/ha
Examples Barnyard grass Examples Barnyard grass
Example 2 90 Example 3 85
Example 4 90 Example 6 90
Example 7 80 Example 8 85
Example 14 85 Example 25 87
Example 26 80 Example 32 93
TABLE 5 Activity of the inventive compounds against zinnia at 150g/ha, 75g/ha and 37.5g/ha
Figure SMS_54
Where ND represents untested.
The results in tables 2 to 5 show that the compound of the invention has excellent control effects on abutilon, purslane, zinnia and barnyard grass at 300g/ha, 150g/ha, 75g/ha, 37.5g/ha and 18.75 g/ha.
Peanut safety test
Weighing a certain mass of compound by an analytical balance (0.0001 g), dissolving the compound by a proper amount of DMF, and diluting the compound by a certain volume of distilled water containing 1 permillage of Tween-80 emulsifier for later use.
Taking flowerpots with the length and the width of 7.0cm, filling soil to 3/4 parts, directly sowing pretreated crop seeds, covering with about 0.5cm of soil, spraying when seedlings grow to a proper age, naturally airing the pesticide liquid after the pesticide application, transferring the seedlings into a greenhouse for conventional culture, and checking the phytotoxicity (%) to peanuts after 21 days; wherein 0 indicates no injury or normal growth process and 100 indicates complete death of at least the aerial parts.
TABLE 6 safety test of the inventive Compounds against peanut
Figure SMS_55
The results in Table 6 show that the compounds of the invention are safer for peanuts at 75-600g/ha and are more safer at the same dose than the prior art. The compounds of the present invention still show excellent safety against peanuts at high doses.
TABLE 7 safety test of the compounds of the invention on corn
Figure SMS_56
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Figure SMS_57
The results in Table 7 show that the compounds of the invention are safe for corn at 75-300g/ha and still exhibit excellent safety for corn at high doses.
In addition, the compound of the invention also shows a certain safety to rice and wheat, for example, the phytotoxicity of the example 1 to wheat is below 15% at 75-300 g/ha; example 20 has a phytotoxicity to wheat of 75-300g/ha of 10% or less and to rice of 5% or less.
The compound has good control effect on broadleaf weeds (such as abutilon, amaranthus retroflexus, zinnia, intestine and purslane) and grassy weeds (such as crabgrass, barnyard grass, ryegrass and green bristlegrass). The herbicide composition is safe to peanut, corn, rice and wheat, has quick effect, has better control effect on weeds than commercial herbicides and benzoyl compounds with similar structures, and has good application prospect.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (12)

1. A compound which is a compound of formula (I) or a stereoisomer, tautomer or salt of a compound of formula (I):
Figure FDA0004137172280000011
wherein:
R 1 is hydroxy, cyano, amino, nitro, C 1-6 Alkyl, C 2-6 Alkenyl, C 2-6 Alkynyl, C 1-6 Alkoxy, halo C 1-6 Alkyl, halogenated C 2-6 Alkenyl, halo C 2-6 Alkynyl, halo C 1-6 Alkoxy or C 3-8 Cycloalkyl; m is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
x is-CH 2 -、-O-、-S(＝O) n -or-NH-;
n is 0, 1 or 2;
q is the following sub-structural formula:
Figure FDA0004137172280000012
R 2 and R is 2a Each independently is hydrogen or C 1-6 An alkyl group.
2. The compound according to claim 1, wherein,
R 1 is hydroxy, cyano, amino, nitro, C 1-4 Alkyl, C 2-4 Alkenyl, C 2-4 Alkynyl, C 1-4 Alkoxy, halo C 1-4 Alkyl, halogenated C 2-4 Alkenyl, halo C 2-4 Alkynyl, halo C 1-4 Alkoxy or C 3-6 Cycloalkyl;
R 2 and R is 2a Each independently is hydrogen or C 1-4 An alkyl group.
3. The compound according to claim 2, wherein,
R 1 is hydroxy, cyano, amino, nitro, methyl, ethyl, n-propyl, isopropyl, -CHF 2 、-CF 3 、-CH 2 CHF 2 、-CH 2 CF 3 Cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl;
R 2 and R is 2a Each independently is hydrogen or methyl.
4. The compound according to claim 1, which is a compound represented by formula (Ia) or a stereoisomer, tautomer, or salt of a compound represented by formula (Ia); or a stereoisomer, tautomer or salt of a compound represented by formula (Ib):
Figure FDA0004137172280000021
wherein:
R 1a and R is 1b Each independently is hydrogen or C 1-3 An alkyl group.
5. The compound according to claim 4, wherein,
q is the following sub-structural formula:
Figure FDA0004137172280000022
R 1a and R is 1b Each independently is hydrogen or methyl;
n is 0, 1 or 2.
6. The compound according to any one of claims 1 to 5, which is a compound having one of the following structures or a stereoisomer, tautomer, or salt thereof of a compound having one of the following structures:
Figure FDA0004137172280000023
Figure FDA0004137172280000031
7. a composition comprising a compound of any one of claims 1-6.
8. The composition of claim 7, wherein the composition further comprises at least one additional component that is a surfactant, a solid diluent, a liquid diluent, a buffer, an antifoaming agent, a thickener, an anti-freeze, an antimicrobial, a film former.
9. Use of a compound according to any one of claims 1 to 6 or a composition according to claim 7 or 8 as herbicide for controlling weeds in useful plants.
10. The use according to claim 9, wherein the useful plant is at least one of peanut, maize, rice or wheat; the weeds are one or more of abutilon, purslane, barnyard grass or zinnia.
11. A method of controlling weed growth in a useful plant comprising applying to the locus of the weed an effective amount of a compound according to any one of claims 1 to 6 or a composition according to claim 7 or 8.
12. The method of claim 11, wherein the useful plant is at least one of peanut, corn, rice, or wheat; the weeds are one or more of abutilon, purslane, barnyard grass or zinnia.
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