EP2812310A1 - Procédé de préparation de dérivés d'acide anthranilique substitués - Google Patents

Procédé de préparation de dérivés d'acide anthranilique substitués

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Publication number
EP2812310A1
EP2812310A1 EP13704756.9A EP13704756A EP2812310A1 EP 2812310 A1 EP2812310 A1 EP 2812310A1 EP 13704756 A EP13704756 A EP 13704756A EP 2812310 A1 EP2812310 A1 EP 2812310A1
Authority
EP
European Patent Office
Prior art keywords
chlorine
alkyl
general formula
fluorine
substituted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13704756.9A
Other languages
German (de)
English (en)
Inventor
Thomas Himmler
Sergii Pazenok
Frank Volz
Norbert Lui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Intellectual Property GmbH
Original Assignee
Bayer Intellectual Property GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Intellectual Property GmbH filed Critical Bayer Intellectual Property GmbH
Priority to EP13704756.9A priority Critical patent/EP2812310A1/fr
Publication of EP2812310A1 publication Critical patent/EP2812310A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C255/58—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton
    • C07C255/60—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton at least one of the singly-bound nitrogen atoms being acylated

Definitions

  • the present invention relates to a novel process for the preparation of substituted anthranilic acid derivatives of the formula (I)
  • Ci-C6-alkyl or C6-Cio-aryl, or represents a hetaryl radical of the general formula (II),
  • R8 is Ci-Ce-alkyl, C 3 -C 6 cycloalkyl, Ci-C 4 alkoxy, Ci-C 4 alkylthio, Ci-C 4 -Alkylsulfmyl, C 1 -C4- alkylsulfonyl, which is optionally monosubstituted or may be the same or different, may be substituted by chlorine or fluorine, or is fluorine, chlorine, cyano, alkylamino, dialkylamino, cycloalkylamino or C 3 -C 6 -trialkylsilyl,
  • R 8 is preferably fluorine, chlorine or C 1 -C 6 -alkyl
  • R 8 particularly preferably represents fluorine or chlorine
  • Z is CH or N
  • Z is preferred and particularly preferably N
  • Y is hydrogen, fluorine, chlorine, optionally mono- or polysubstituted, identical or different, by chlorine or fluorine-substituted Ci-C6-alkyl, C3-C6-cycloalkyl, Ci-C i-alkoxy, C 1 -C4-alkylthio, Ci C4-alkylsulfmyl, Ci-C4-alkylsulfonyl, or is cyano, alkylamino, dialkylamino, cycloalkylamino, C3-C6-trialkylsilyl or a radical of the general formula (III)
  • R> 9 is C 1 -C 5 -alkyl which may optionally be monosubstituted or polysubstituted, identically or differently, by halogen,
  • R 9 is preferably C 1 -C 3 -purylalkyl, R 9 is particularly preferably CF 3 or C 2 F 5 ,
  • R 2 is a radical OR 5 or NR 6 R 7 ,
  • R 2 is preferred and particularly preferably represents OR 5 ,
  • R 2 is also preferably and more preferably NR 6 R 7 , wherein R 5 , R 6 and R 7 are independently hydrogen, Ci-C6-alkyl, or C6-Cio-aryl, R 5 , R 6 and R 7 independently of one another preferably represent hydrogen, C 1 -C 3 -alkyl or C 6 -aryl, R 5 , R 6 and R 7 independently of one another particularly preferably represent hydrogen or C 1 -C 2 -alkyl,
  • R 3 is hydrogen, optionally mono- or polysubstituted, identically or differently by fluorine or chlorine-substituted Ci-C6-alkyl, Ci-C6-alkoxy or C3-C6-cycloalkyl, R 3 is also halogen,
  • R 3 is preferably GC 5 -alkyl
  • R 3 particularly preferably represents methyl, ethyl or tert-butyl
  • R 3 is also preferred and particularly preferably represents chlorine
  • R 4 is hydrogen, fluorine, chlorine, cyano, for optionally mono- or polysubstituted, the same or various C 1 -C 4 -alkyl substituted by fluorine or chlorine, C 1 -C 4 -alkoxy, C 1 -C 4 -alkylthio, C 1 -C 4 -alkylsulfinyl, C 1 -C 4 -alkylsulfonyl, C 1 -C 4 -alkylamino, di- (C 1 -C 4 -alkylthio) alkyl) amino, C 3 -C 6 -cycloalkylamino, (C 1 -C 4 -alkoxy) imino, (C 1 -C 4 -alkyl) (C 1 -C 4 -alkoxy) imino, SF 5 or C 3 -C 6 -trialkylsilyl,
  • X is chlorine, bromine or iodine, preferably bromine or iodine, particularly preferably bromine, in the presence of a palladium catalyst and optionally a phosphine ligand simultaneously ohlenmonoxid and a compound of general formula (V)
  • substituted anthranilic acid derivatives of formula (I) are prepared by reacting anthranilic acid derivatives of general formula (VII)
  • R ⁇ COOH (VIII) in the presence of agents that activate the carboxyl group for the desired reaction, such as thionyl chloride, oxalyl chloride, phosgene, methanesulfonyl chloride or toluenesulfonic acid chloride can be obtained (WO 2003/015519, WO 2003/106427, WO WO2006 / 0672978, WO2008 / 010897, WO2008 / 070158, WO2008 / 082502, WO2009 / 006061, WO2009 / 061991, WO2009 / 085816, WO2009 / 111553, Bioorg. & Med. Chem. Lett. 15 (2005) 4898-4906; Biorg. & Med. Chem. 16 (2008) 3163-3170).
  • agents that activate the carboxyl group for the desired reaction such as thionyl chloride, oxalyl chloride, phosgene, methanesulfonyl chlor
  • substituted anthranilic acid derivatives of the formula (I) require the availability of the corresponding substituted anthranilic acid derivatives of the general formula (VII).
  • substituted anthranilic acid derivatives of the general formula (VII) are either known or can be prepared by known methods of organic chemistry.
  • these substituted anthranilic acid derivatives of the general formula (VII) can be produced in part only in a complex manner, in many stages and at high costs, which can lead to uneconomically high costs for the end products as a result of unavoidable losses in yield.
  • Substituted anthranilic acid derivatives of the formula (I) are known as compounds having known insecticidal activity (see, for example, Bioorg. & Med. Chem. Lett. 15 (2005) 4898-4906; Biorg. & Med. Chem. 16 (2008) 3163-3170 ) of high interest. It has also already become known to prepare substituted anthranilic acid derivatives of the general formula (VII) by reacting substituted anthranilic acid derivatives of the general formula (IX) in the presence of a palladium catalyst, a ligand, a primary amine and a base with carbon monoxide (WO 2012/103436). However, it has not been disclosed that substituted anthranilic acid derivatives of the general formula (IV) in a similar way.
  • the object of the present invention is therefore to provide a new, more economical Verfalirens for the preparation of substituted anthranilic acid derivatives of the formula (I).
  • HNR 6 R 7 (VI), in which R 6 and R 7 have the meanings given above, are converted to the substituted anthranilic acid derivatives of the general formula (I).
  • R 1 is optionally mono- or polysubstituted, identically or differently, by fluorine or chlorine-substituted C 1 -C 6 -alkyl, or C 6 -C 10 -aryl, or is a hetaryl radical of the general formula (II),
  • Ci-Ce-alkyl optionally mono- or polysubstituted, identically or differently, by fluorine or chlorine-substituted Ci-Ce-alkyl, C 3 -C 6 cycloalkyl, Ci-C 4 alkoxy, Ci-C 4 alkylthio, Ci-C4 alkylsulfinyl, C 1 -C 4 -alkylsulfonyl, or is fluorine, chlorine, cyano, alkylamino, dialkylamino, cycloalkylamino or C 3 -C 6 -trialkylsilyl, preferably fluorine, chlorine or C 1 -C 6 -alkyl, particularly preferably fluorine or chlorine, is CH or N, preferably N, and
  • Y is hydrogen, fluorine, chlorine, optionally mono- or polysubstituted by identical or different substituents, chloro or fluorine-substituted G-C6-alkyl, C3-C6-cycloalkyl, Ci-C i-alkoxy, C 1 -C4-alkylthio, Ci C4-alkylsulfinyl, Ci-C4-alkylsulfonyl, or is cyano, alkylamino, dialkylamino, cycloalkylamino, -C6-trialkylsilyl or a radical of the general formula (III)
  • R 9 is C 1 -C 5 -alkyl which may be mono- or di-mono-, identical or different, substituted by Halogi,
  • R 9 is preferably C 1 -C 3 -perfluoroalkyl
  • R 9 particularly preferably represents CF 3 or C 2 F 5
  • R 3 is chlorine
  • R 3 is also methyl
  • R 4 is chlorine or cyano
  • X is bromine or iodine.
  • R 1 is a hetaryl radical of the general formula II
  • R 8 is fluorine or chlorine, Z is N, and
  • Y is hydrogen, fluorine, chlorine or a radical of the general formula (III)
  • R 9 is CF 3 or C 2 F 5 , R 3 is methyl, R 4 is chlorine or cyano, and
  • X stands for bromine
  • Alkyl groups are in the context of the present invention, unless otherwise defined, linear or branched hydrocarbon groups.
  • alkyl and Ci-Ci 2 alkyl includes, for example, the meanings methyl, ethyl, n-, iso- propyl, n-, iso-, sec- and t-butyl, n-pentyl, n-hexyl, 1,3- Dimethylbutyl, 3,3-dimethylbutyl, n-heptyl, n-nonyl, n-decyl, n-undecyl, n-dodecyl.
  • Cycloalkyl groups are in the context of the present invention, unless otherwise defined, annular saturated hydrocarbon groups.
  • Aryl radicals in the context of the present invention are aromatic hydrocarbon radicals which may have one, two or more heteroatoms selected from O, N, P and S and may optionally be substituted by further groups ,
  • Arylalkyl groups and arylalkoxy groups are in the context of the present invention, unless otherwise defined, substituted by aryl groups alkyl or alkoxy groups which may have an alkylene chain.
  • arylalkyl includes, for example, the meanings benzyl and phenylethyl; the definition of arylalkoxy, for example, the meaning benzyloxy.
  • Alkylaryl groups (alkaryl groups) and alkylaryloxy groups are in the context of the present invention, unless otherwise defined, by alkyl groups substituted aryl groups, or aryloxy groups which may have a C 1-8 alkylene chain and in the aryl skeleton or Aryloxygerüst one or more heteroatoms selected from O, N, P and S, may have.
  • Anthranilic acid (IV) can be prepared as follows:
  • the reaction is carried out in the presence of a condensing agent.
  • a condensing agent All agents customary for such coupling reactions are suitable for this purpose.
  • acid halide formers such as phosgene, phosphorus tribromide, phosphorus trichloride, phosphorus pentachloride, phosphorus oxychloride, oxalyl chloride or thionyl chloride;
  • Anhydride formers such as ethyl chloroformate, methyl chloroformate, isopropyl chloroformate, isobutyl chloroformate or methanesulfonyl chloride;
  • Carbodiimides such as ⁇ , ⁇ '-dicyclohexylcarbodiimide (DCC) or other conventional condensing agents, such as phosphorus pentoxide, polyphosphoric acid, 1, 1 'carbonyldiimidazole, 2-ethoxy-N-ethoxycarbonyl-1, 2-d
  • process step 1 can be carried out in the presence of an inert organic diluent customary for such reactions.
  • organic diluent customary for such reactions.
  • these include, preferably, aliphatic, alicyclic or aromatic hydrocarbons, such as, for example, petroleum ether, hexane, heptane, cyclohexane, methylcyclohexane, benzene, toluene, xylene or decalin; halogenated hydrocarbons, such as chlorobenzene, dichlorobenzene, dichloromethane, chloroform, carbon tetrachloride, dichloroethane or trichloroethane; Ethers, such as diethyl ether, diisopropyl ether, methyl t-butyl ether, methyl t-amyl ether, dioxane, tetrahydrofuran, 1, 2-dimethoxyethane, 1, 2-dieth
  • the process step 1 is usually carried out in the presence of a base.
  • Suitable bases are alkali metal hydroxides such as lithium, sodium or potassium hydroxide, alkali metal carbonates such as Na2CÜ3, K2CO3 and acetates such as NaOAc, KOAc, LiOAc, and -Alkoholate such as NaOMe, NaOEt, NaOt-Bu, KOt-Bu.
  • suitable Bases include organic bases such as trialkylamines, alkylpyridines, phosphazenes and 1,8-diazabicyclo [5.4.0] undecene (DBU).
  • organic bases such as pyridines, alkylpyridines such as 2,6-dimethylpyridine, 2-methyl-5-ethylpyridine or 2,3-dimethylpyridine.
  • the process step 1 according to the invention is preferably carried out within a temperature range from 20 ° C to + 100 ° C, more preferably at temperatures of 30 ° C to +80 ° C, particularly preferably at 30-60 ° C.
  • the process step 1 according to the invention is generally carried out under atmospheric pressure. Alternatively, it is also possible to work in a vacuum or under pressure in an autoclave.
  • the reaction time can be chosen in a range between 1 hour and several hours, depending on the batch size and the temperature.
  • process step 1 can be carried out in the presence of a catalyst.
  • a catalyst examples which may be mentioned are 4-dimethylaminopyridine or 1-hydroxy-benzotriazole.
  • Substituted anthranilic acid derivatives of the general formula (I) can be prepared according to process step 2 as follows:
  • Palladium catalysts used in the process according to the invention are palladium (II) salts, such as, for example, palladium chloride, bromide, iodide, acetate, acetylacetonate, which are optionally replaced by further ligands, for example.
  • Pd (0) species such as palladium on activated carbon, Pd (PPli3) 4, bis (dibenzylideneacetone) palladium or tris (dibenzylideneacetone) dipalladium used.
  • the amount of palladium catalyst used in the process according to the invention is 0.001 to 20 Mol percent, based on substituted anthranilic acid derivative of the general formula (IV).
  • 0.005 to 10 mole percent are used; particularly preferred are 0.01 to 5 mole percent.
  • radicals R 10 , R 11 and R 12 independently of one another are hydrogen, linear or branched C 1 -C 6 -alkyl, vinyl, aryl or heteroaryl from the series pyridine, pyrimidine, pyrrole, thiophene or furan, which in turn with further Substituents from the series linear or branched Ci-C8-alkyl or C6-Cio-aryl, linear or branched G-Cg-alkyloxy or Ci-Cio-aryloxy, halogenated linear or branched Ci-C8-alkyl or halogenated C6-Cio-aryl , C6-Cio-aryloxycarbonyl, linear or branched Ci-C8-alkylamino, linear or branched Ci-Cs-dialkylamino, Ci-Cs-arylamino, Ci-Cs-Diarylamino, hydroxy, carboxyl, cyano, or halogen such as fluor
  • chelating bisphosphines are suitable as phosphine ligands.
  • Preferred phosphine ligands are trialkylphosphines such as tri-tert-butylphosphine in ad trimeradamantylphosphine, as well as triarylphosphines such as triphenylphosphine, tri (ortho-tolyl) phosphine or tri (para-methoxyphenyl) phosphine. Particularly preferred is triphenylphosphine.
  • Process step 2 of the process according to the invention is carried out in the presence of carbon monoxide (CO).
  • CO carbon monoxide
  • the carbon monoxide is usually introduced as a gas, so that the reaction is usually carried out in an autoclave.
  • CO pressure preferably at 1 to 25 bar.
  • carbon monoxide in the form of suitable metal-carbonyl complexes such as di-cobalt octacarbonyl or molybdenum hexacarbonyl. Preference is given to working with gaseous carbon monoxide.
  • Suitable bases include organic bases such as trialkylamines, alkylpyridines, phosphazenes and 1,8-diazabicyclo [5.4.0] undecene (DBU).
  • organic bases such as triethylamine, tripropylamine, tributylamine, diisopropylethylamine, pyridine, alkylpyridines such as, for example, 2,6-dimethylpyridine, 2-methyl-5-ethylpyridine or 2,3-dimethylpyridine.
  • the compounds of the general formula (V) or (VI) required for the preparation of the substituted anthranilic acid derivatives of the general formula (I) are usually used in an excess, based on the substituted anthranilic acid derivative of the general formula (IV). It is also possible to use the compounds of general formula (V) or (VI) in such an amount that they simultaneously serve as a solvent.
  • the mixture is stirred for one hour at room temperature and for 1 hour at 40 ° C, cooled to room temperature, the reaction mixture is mixed with water and methylene chloride, the organic phase is separated off, washed with dilute hydrochloric acid, dried and concentrated.
  • the crude product thus obtained is purified by chromatography on silica gel (cyclohexane / ethyl acetate). This gives 1.30 g of the title compound as a light beige solid.
  • the autoclave is purged with carbon monoxide, heated to 1 10 ° C and maintained a carbon monoxide pressure of 10 bar. After 18 hours, allow to cool to room temperature, relax the autoclave, stir Reaction mixture with methylene chloride, filtered through diatomaceous earth, the filtrate is washed first with dilute hydrochloric acid and then with water, dried over sodium sulfate and concentrated in vacuo. 0.49 g of the title compound are obtained.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

L'invention concerne un procédé de préparation de dérivés d'acide anthranilique substitués de formule (I), dans laquelle R1, R2, R3 et R4 ont les significations indiquées dans la description, en faisant réagir des composés de formule générale (IV) en présence d'un catalyseur au palladium et de monoxyde de carbone. L'invention concerne également des composés de formule générale (IV).
EP13704756.9A 2012-02-07 2013-02-06 Procédé de préparation de dérivés d'acide anthranilique substitués Withdrawn EP2812310A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13704756.9A EP2812310A1 (fr) 2012-02-07 2013-02-06 Procédé de préparation de dérivés d'acide anthranilique substitués

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12154290 2012-02-07
PCT/EP2013/052350 WO2013117601A1 (fr) 2012-02-07 2013-02-06 Procédé de préparation de dérivés d'acide anthranilique substitués
EP13704756.9A EP2812310A1 (fr) 2012-02-07 2013-02-06 Procédé de préparation de dérivés d'acide anthranilique substitués

Publications (1)

Publication Number Publication Date
EP2812310A1 true EP2812310A1 (fr) 2014-12-17

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US (3) US20150011772A1 (fr)
EP (1) EP2812310A1 (fr)
JP (2) JP2015511229A (fr)
KR (1) KR102032979B1 (fr)
CN (2) CN109970707A (fr)
BR (1) BR112014019487A2 (fr)
IL (1) IL233945A0 (fr)
MX (1) MX363730B (fr)
TW (1) TWI644888B (fr)
WO (1) WO2013117601A1 (fr)

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CN104245666A (zh) 2014-12-24
BR112014019487A2 (pt) 2020-10-27
JP2015511229A (ja) 2015-04-16
TW201336811A (zh) 2013-09-16
US9670182B2 (en) 2017-06-06
US9969717B2 (en) 2018-05-15
US20170217934A1 (en) 2017-08-03
WO2013117601A1 (fr) 2013-08-15
KR102032979B1 (ko) 2019-10-16
MX2014009317A (es) 2014-11-12
TWI644888B (zh) 2018-12-21
IL233945A0 (en) 2014-09-30
US20160046607A1 (en) 2016-02-18
CN109970707A (zh) 2019-07-05
CN104245666B (zh) 2019-01-11
MX363730B (es) 2019-04-01
JP6438551B2 (ja) 2018-12-12
US20150011772A1 (en) 2015-01-08
JP2018027964A (ja) 2018-02-22
KR20140124810A (ko) 2014-10-27

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