CN106588668A - 2-bromine-5-nitro-1,2,3,4-tetrahydro-1,4-methano-naphthalene-9-phenol and preparation method thereof - Google Patents

2-bromine-5-nitro-1,2,3,4-tetrahydro-1,4-methano-naphthalene-9-phenol and preparation method thereof Download PDF

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CN106588668A
CN106588668A CN201611093774.9A CN201611093774A CN106588668A CN 106588668 A CN106588668 A CN 106588668A CN 201611093774 A CN201611093774 A CN 201611093774A CN 106588668 A CN106588668 A CN 106588668A
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naphthalene
endo
tetrahydrochysenes
phenol
methylene groups
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姜正金
谭志勇
李振华
王波华
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Hangzhou One Hundred Rui Rui Technology Co Ltd
Zhejiang University of Technology ZJUT
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Hangzhou One Hundred Rui Rui Technology Co Ltd
Zhejiang University of Technology ZJUT
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/13Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups
    • C07C205/26Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups and being further substituted by halogen atoms
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/12Preparation of nitro compounds by reactions not involving the formation of nitro groups
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/62Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C213/00Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
    • C07C213/02Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
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    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44Iso-indoles; Hydrogenated iso-indoles
    • C07D209/48Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
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    • C07D231/02Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10Heterocyclic 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
    • C07D231/14Heterocyclic 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
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    • C07D301/00Preparation of oxiranes
    • C07D301/02Synthesis of the oxirane ring
    • C07D301/03Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
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Abstract

The invention provides a chemical compound which can serve as an intermediate for benzovindiflupyr synthesis. The chemical compound is 2-bromine-5-nitro-1,2,3,4-tetrahydro-1,4-methano-naphthalene-9-phenol with the chemical formula as shown in formula (IV) in the specification. The invention further provides a method for preparing the chemical compound, 2-bromine-5-nitro-1,2,3,4-tetrahydro-1,4-methano-naphthalene-9-phenol. The method comprises: a chemical compound, [2,3]-epoxy-5-nitro-1,2,3,4-tetrahydro-1,4-methano-naphthalene, as shown in formula (III) reacts in a hydrobromic acid aqueous solution at 20 DEG C, and the chemical compound as shown in formula (IV) is prepared. The invention finds a novel method for producing a key intermediate for benzovindiflupyr and a preparation method thereof, thereby enabling the route for benzovindiflupyr synthesis to be more reasonable.

Description

The bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol of 2- and its system Preparation Method
Technical field
The present invention relates to a kind of bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- of new compound 2- Phenol, and its preparation method and application.
Background technology
Benzo alkene fluorine bacterium azoles (benzovindiflupyr, also known as SYN545192, trade name Solatenol) are a kind of tools There is the succinate dehydrogenase bactericide of new binding mode.Benzo alkene fluorine bacterium azoles wide spectrum, efficiently, makees with more efficient sterilization With, foliage disease and soil surface characters can be extensively prevented and treated, it is important resistance management tool, it is in wheat, corn and extraordinary work The outstanding prevention effect to Major Diseases is all presented on many crops such as thing.The product to wheat leaf blight, the cercospora black spot of peanut, Take-all and wheat basal stem rot have good prevention effect, especially to wheat powdery mildew, corn southern leaf blight and gray mold There is special efficacy, there is outstanding prevention effect to Asian Soybean Rust, be a great potential with existing bactericide no interactions resistance Bactericide.
Benzo alkene fluorine bacterium azoles are taken the lead in the pyrazole amide series bactericidal agent developed by Syngenta Co., Ltd, and 2013, Du Pont was public Department is also assisted in the market development of benzo alkene fluorine bacterium azoles.Now just reached and Du Pont's joint development by first.So far numerous patents are situated between The chemical synthesis process of the benzo alkene fluorine bacterium azoles that continued, mainly there is WO2011131545, WO2011131544, WO2011131546, WO2010049228 etc..
But the route reported at present is respectively present that yield is low, raw material is difficult to obtain, and intermediate stability is poor, operates Complexity, severe reaction conditions, the shortcomings of be not suitable for large-scale industrial production.
The synthetic route reported in WO2011131546, is visible most short synthetic route in document so far, but It is initiation material 6,6- dichloro fulvene is unstable, needs oneself to synthesize, thus step is still long, total recovery is than relatively low;Secondly should Method is laboratory process, therefore is also unsuitable for large-scale industrial production.
Inventor has carried out 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- carboxylic acids-(9- dichloromethylenes -1,2,3,4- four Hydrogen-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -5- bases)-acid amides be benzo alkene fluorine bacterium azoles chemical synthesis process exploration, there is provided Yi Zhongshou Rate is high, and reaction condition is gentle, easy to operation, good product quality, the method for being suitable for large-scale industrial production, and this makes a living Produce benzo alkene fluorine bacterium azoles and provide the higher selection of another kind of feasibility, and synthesized in the process in a kind of new compound Bromo- 5- nitro -1 of mesosome 2-, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol, intermediate may be used to synthesize benzo alkene fluorine Bacterium azoles.
The content of the invention
The invention provides a kind of compound, can be described as the intermediate of synthesis benzo alkene fluorine bacterium azoles with the compound Compound be bromo- 5- nitro -1 of 2-, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol, shown in its chemical formula such as formula (IV):
Present invention also offers one kind prepares the bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- bridge methylenes of above compound 2- The method of base-naphthalene -9- phenol, described method is compound [2,3]-epoxy -5- nitro -1 as shown in formula (III), 2,3,4- Tetrahydrochysene-Isosorbide-5-Nitrae-endo-methylene group-naphthalene at 20 DEG C, reacts in organic solvent in hydrobromic acid aqueous solution, and formula (IV) chemical combination is obtained Thing.
Further, feed intake in described method material amount ratio be compound (III):Hydrobromic acid aqueous solution is 1:1-20, Preferably 1:10, described consumption of organic solvent is 5-14 times, preferably 9 times of compound (III) quality.
Further, described hydrobromic acid aqueous solution concentration preferably 48% hydrobromic acid aqueous solution.
Further, described organic solvent be dichloromethane, ethyl acetate, tetrahydrofuran, acetonitrile, toluene or chlorobenzene, more It is preferred that dichloromethane.
Further, described bromo- 5- nitro -1 of compound 2-, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- are prepared The method of phenol is:Described [2,3]-epoxy -5- nitro -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene is in 48% hydrobromic acid water In solution, react in dichloromethane at 20 DEG C, formula (IV) compound is obtained.
In the method for preparing the described bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups of compound 2--naphthalene -9- phenol In, formula (III) compound can be obtained by following methods:5- nitro -1,4- dihydros -1,4- endo-methylene groups-naphthalene (II) and Chloroperoxybenzoic acid, the reaction in halogenated hydrocarbon solvent generates [2,3]-epoxy -5- nitro -1, and 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-bridge is sub- Methyl-naphthalene (III).The amount ratio of the material of compound (II) and metachloroperbenzoic acid is 1:1.1-1.6, preferably 1:1.5, instead Answer solvent be dichloromethane, chloroform or, 1,2- dichloroethanes, preferably 1,2- dichloroethanes, reaction temperature is 25-80 DEG C, preferably 60 DEG C.
In the method for preparing described compound 5- nitros-Isosorbide-5-Nitrae-dihydro-Isosorbide-5-Nitrae-endo-methylene group-naphthalene, formula (II) chemical combination Thing can be obtained but be not limited only to the method by following methods:2- amino -6- nitrobenzoic acids (I) and cyclopentadiene, in Asia Under isoamyl nitrate and the concentrated sulfuric acid, the reaction in the mixed solvent of dichloromethane and acetone generates 5- nitro-Isosorbide-5-Nitrae-dihydro-Isosorbide-5-Nitraes- Endo-methylene group-naphthalene (II).2- amino -6- nitrobenzoic acids (I), cyclopentadiene, feeding intake in isoamyl nitrite and the concentrated sulfuric acid The amount ratio of material is 1:2-18:1.1-1.5:0.01, preferably 1:3:1.2:0.01.
In addition, present invention also offers bromo- 5- nitro -1 of formula (IV) compound 2-, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group - Naphthalene -9- phenol is in the application and preparation method for preparing benzo alkene fluorine bacterium azoles.
The bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups of compound 2--naphthalene -9- phenol (IV) may be used to prepare 5- ammonia Base -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol (V) are specific described finally to be obtained benzo alkene fluorine bacterium azoles Formula (V) compound is with the bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol of the 2- shown in formula (IV) as former Material, with Pd/C and organic base, obtains in alcoholic solvent under Hydrogen Vapor Pressure in 120 DEG C of reactions.
Described formula (IV) compound is 1 with the mass ratio of Pd/C:0.01-0.05, preferably 1:0.03, described Pd/C Mass fraction is 5% or 10%;Described Hydrogen Vapor Pressure is 2.0MPa-3.5MPa, preferably 3.0MPa.
Further, described alcoholic solvent is absolute methanol or absolute ethyl alcohol, and described organic base is triethylamine.
Meanwhile, with bromo- 5- nitro -1 of 2- shown in formula (IV), 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol is original Material, in addition to Pd/C, reacts in alcoholic solvent under Hydrogen Vapor Pressure with other catalyst at 120 DEG C, and formula (V) institute is also obtained The compound for showing.Other described catalyst are Pt/C, Rh/C, Raney's nickel etc., and method is specific as follows:By formula (IV) compound and Absolute methanol or absolute ethyl alcohol mixing after, add the catalyst such as Pd/C, Pt/C, Rh/C, Raney's nickel, under Hydrogen Vapor Pressure in React at 120 DEG C.
Compound 5- amino -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol (V) as above may be used to prepare N- (1,2,3,4- tetrahydrochysene-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol -5- bases -)-phthalimide (VI), finally benzene is obtained And alkene fluorine bacterium azoles, specific described formula (VI) compound is with 5- amino -1 shown in formula (V), 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-bridge Methylene-naphthalene -9- phenol is raw material, reacts under high temperature fused state with phthalic anhydride and obtains.
Described formula (V) compound is 1 with the ratio of the amount of the material of phthalic anhydride:1.01-1.2, preferably 1: 1.05, described high temperature is 120 DEG C -150 DEG C, preferably 130 DEG C.
Compound N-(1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-O-phthalic as above Acid imide (VI) may be used to prepare N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- carbonyl -5- bases -)-phthalyl Imines (VII), finally benzo alkene fluorine bacterium azoles are obtained, specific described formula (VII) compound is with shown in formula (VI) N- (1,2,3,4- tetrahydrochysene-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol -5- bases -)-phthalimide is raw material, in ethyl acetate With TCCA (TCCA), sodium bromide, 2, in 0 under the catalysis of 2,6,6- tetramethyl piperidines-nitrogen-oxide (TEMPO) DEG C reaction generate formula (VII) shown in compound.
Described formula (VI):TEMPO:TCCA:The ratio of the amount of the material of sodium bromide is 1:0.01-0.1:1.0-1.5:0.1- 0.5, preferred proportion is compound (VI):TEMPO:TCCA:The ratio of the amount of the material of sodium bromide is 1:0.02:1.3:0.2.
Compound N-(1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- carbonyl -5- bases -)-neighbour's benzene two as above Carboximide (VII) may be used to prepare N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -)-neighbour BIDA (VIII), finally benzo alkene fluorine bacterium azoles are obtained, specific described formula (VIII) compound is with formula (VII) N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- carbonyl -5- bases -)-phthalimide shown in is original Material, reaction is generated shown in formula (VII) at 60 DEG C -65 DEG C under the protection of nitrogen with triphenylphosphine and carbon tetrachloride in acetonitrile Compound.
Described formula (VII) is 1 with the ratio of triphenylphosphine and the amount of the material of carbon tetrachloride:3:2.
Compound N-(1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -) as above - Phthalimide (VIII) may be used to prepare 9- (dichloro methene) -1,2,3,4- tetrahydrochysene -5- amino naphthalenes (IX), final to use To be obtained benzo alkene fluorine bacterium azoles, specific described formula (IX) compound be with shown in formula (VIII) N- (1,2,3,4- tetrahydrochysene- Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- dichloro methene -5- bases -)-phthalimide be raw material, with alkaline reagent in alcoholic solvent The reaction at 90 DEG C generates the compound shown in formula (IX).Described alcoholic solvent is methyl alcohol or ethanol, and described alkaline reagent is 40% methylamine water solution or 80% hydrazine hydrate solution.
Described formula (VIII) is 1 with the ratio of the amount of the material of alkaline reagent:1-8, preferably 1:4.
Compound 9- (dichloro methene) -1,2,3,4- tetrahydrochysenes -5- amino naphthalenes (IX) as above may be used to that benzene is obtained And alkene fluorine bacterium azoles, specific described formula (X) compound is with the 9- (dichloro methene) -1,2,3,4- tetra- shown in formula (IX) Hydrogen -5- amino naphthalenes are raw material, with 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- phosgenes 0 in organic solvent and triethylamine Reaction at DEG C generates the compound shown in formula (X).Described organic solvent is ethyl acetate, butyl acetate, dichloromethane, 1,2- Any one in dichloroethanes, toluene, dimethylbenzene or chlorobenzene, preferably dichloromethane.
Described formula (IX) is 1 with the ratio of the amount of the material of 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- phosgenes: 1.01。
Compound 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- carboxylic acids shown in formula (X)-(9- dichloromethylene -1,2, 3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -5- bases)-acid amides method, comprise the steps:
1) preparation of 5- amino -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol
Bromo- 5- nitro -1 of 2-, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol are added in reactor, with anhydrous second Alcohol or absolute methanol are solvent, add metallic catalyst I and co-catalyst II, and intensification stirring reaction 5-6 is little under Hydrogen Vapor Pressure When, question response completely, by reacting liquid filtering, filtrate distillating recovering solvent, obtains 5- amino -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-bridge methylene Base-naphthalene -9- phenol, the metallic catalyst I be Pd/C, Rh/C, Pt/C or Raney's nickel etc., the co-catalyst II be triethylamine, Any one in diisopropylethylamine or pyridine;
2) preparation of N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalimide
By step 1) 5- amino -1 that obtains, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol added in reactor, plus Enter phthalic anhydride, heat up melting stirring reaction 1.5h under condition of no solvent, question response terminates, and organic solvent is added dropwise while hot III, after being cooled to room temperature, filters, and obtains shallow white solid N- (1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol -5- Base -)-phthalimide, described organic solvent II I is any one in dimethylbenzene, cyclopentanone, chlorobenzene or toluene;
3) preparation of N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- carbonyl -5- bases -)-phthalimide
By step 2) N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalyl that obtains Imines is added in reactor, with ethyl acetate as solvent, opens stirring, adds oxidant IV, sodium bromide and trichlorine different at 0 DEG C Cyanurate, after question response terminates, saturated sodium thiosulfate solution, after stirring reaction 0.5h, reactant liquor water is added in reactor A point liquid is washed, organic layer concentration obtains N- (1,2,3,4- tetrahydrochysene-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- carbonyl -5- bases -)-phthalyl Imines, described oxidant IV is 2,2,6,6- tetramethyl piperidines-nitrogen-oxide or 4- hydroxyl -2,2,6,6- tetramethyl piperidines - Any one in 1- oxygen radicals;
4) N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -)-phthalimide Preparation
By step 3) N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- carbonyl -5- bases -)-O-phthalic that obtains Acid imide is added in reactor, with acetonitrile as solvent, adds triphenylphosphine, and after nitrogen displacement, the stirring that heats up is lower to add four chlorinations Carbon, after question response terminates, reactant liquor concentration, in concentrate add methyl alcohol and stand refrigeration 3h after, filter, obtain N- (1,2,3, 4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -)-phthalimide;
5) preparation of 9- (dichloro methene) -1,2,3,4- tetrahydrochysene -5- amino naphthalenes
By step 4) N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -)-neighbour for obtaining BIDA is added in reactor, and with ethanol as solvent, the stirring that heats up is lower to add alkaline reagent V, after question response terminates, instead Liquid concentration and recovery solvent is answered, adds ethyl acetate, washing point liquid, organic layer concentration to obtain white solid 9- (dichloros in concentrate Methene) -1,2,3,4- tetrahydrochysene -5- amino naphthalenes, described alkaline reagent V is any in hydrazine hydrate solution or methylamine water solution It is a kind of;
6) 3- difluoromethyls -1- methyl isophthalic acids H- pyrazoles -4- carboxylic acids-(9- dichloromethylene -1,2,3,4- tetrahydrochysene -1,4- bridges Methylene-naphthalene -5- bases)-acid amides preparation
By step 5) tetrahydrochysene -5- amino naphthalenes of 9- (dichloro methene) -1,2,3,4- that obtain add in reactor, add molten Agent VI and triethylamine, open stirring, and 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- phosgenes are added dropwise at 0 DEG C, and question response terminates Afterwards, wash, point liquid, organic layer is dried, concentration obtains 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- carboxylic acids-(9- dichloro methylenes Base -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -5- bases)-acid amides, described solvent VI be ethyl acetate, butyl acetate, two Any one in chloromethanes, 1,2- dichloroethanes, toluene, dimethylbenzene or chlorobenzene.
Wherein, step 1) described in metallic catalyst I be 5%Pd/C;The bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- bridges of 2- The mass ratio of methylene-naphthalene -9- phenol and metallic catalyst I is 1:0.01-0.05;Co-catalyst II is triethylamine;The bromo- 5- nitre of 2- The mol ratio of base -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol and co-catalyst II is 1:2-5.
Step 1) described in Hydrogen Vapor Pressure be 2.0-3.5MPa, reaction temperature be 120 DEG C;Step 2) described in 5- ammonia The mol ratio of base -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol and phthalic anhydride is 1:1.01-1.2, reaction temperature Spend for 120-150 DEG C.
Step 2) described in organic solvent II I be dimethylbenzene, 5- amino -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene - The mass ratio of 9- phenol and dimethylbenzene is 1:2.
Step 3) described in oxidant IV be 2,2,6,6- tetramethyl piperidines-nitrogen-oxide, N- (1,2,3,4- tetrahydrochysene -1, 4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalimide and 2,2,6,6- tetramethyl piperidines-nitrogen-oxide mole Than for 1:0.01-0.1.
Step 5) described in hydrazine hydrate solution concentration be 80%, N- (1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- two Chloromethane thiazolinyl -5- bases -) mol ratio of-phthalimide and 80% hydrazine hydrate solution is 1:1-8, reaction temperature is 85-90 ℃。
Step 5) described in methylamine water solution concentration be 40%, N- (1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- two Chloromethane thiazolinyl -5- bases -) mol ratio of-phthalimide and 40% methylamine water solution is 1:1-8, reaction temperature is 85-90 ℃。
The present invention provides the preparation of benzo alkene fluorine bacterium azoles and is prepared by following route, and reaction equation is expressed as follows:
By the way that using above-mentioned technology, compared with prior art, the contribution of the present invention is:
1) compound (III) directly obtains new compound (IV), and the change of the compound with hydrobromic acid aqueous solution reaction Learn stable in properties, it is to avoid the presence of unstable intermediate, found it is a kind of it is new to produce benzo alkene fluorine bacterium azoles key in Mesosome and its method for preparation, make the route of synthesis benzo alkene fluorine bacterium azoles more reasonable.
2) compound (IV) is using Pd/C catalysis reduction-debromination reactions, it is to avoid using the zinc that a large amount of solid wastes can be caused to produce Powder, low cost, environmental friendliness.
3) in the preparation process of benzo alkene fluorine bacterium azoles, compound (V) is first protected with phthalic anhydride cheap and easy to get, last Step reconnects expensive 1H- pyrazoles fragment, it is to avoid the waste of expensive reagent, and upper protection and the deprotection process of phthalic anhydride Yield is high, easy to operation, and reaction condition is gentle, and good product quality is the method for being suitable for large-scale industrial production.
Specific embodiment
Illustrate technical scheme, but protection scope of the present invention not limited to this with specific embodiment below:
The synthesis of the bromo- 5- nitros-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of the 2- of embodiment 1-naphthalene-9- phenol (IV)
Feed intake material amount ratio be [2,3]-epoxy -5- nitro -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene (III): 48% hydrobromic acid aqueous solution=1:10
In the 500ml there-necked flasks equipped with mechanical agitation and thermometer, 48% hydrobromic acid aqueous solution of addition (177.2g, 1.05mol), at 20 DEG C, [2,3]-epoxy -5- nitro -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene (III) are added dropwise The dichloromethane solution 130ml of (14.3g, 0.07mol), after 1.5h, charging terminates, insulated and stirred 5min, is reacted with TLC tracking Situation.After reaction terminates, a point liquid is stood, organic layer 25ml saturated sodium bicarbonate solutions are washed 2 times, then use 40ml saturated aqueous common salts Wash once, point liquid, organic layer is dried concentration, the mixed solvent for obtaining khaki solid, crude product n-hexane and ethyl acetate is tied again Brilliant to obtain bromo- 5- nitro -1 of white solid 2-, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol (IV) obtain 13.1g after being dried Compound (IV), 132.1 DEG C -133.2 DEG C of fusing point, yield 66.1%, its physicochemical data is as follows:1HNMR(d6-CDCl3)δ:7.96 (1H,dd,J1=0.97Hz, J2=8.41Hz), 7.51 (1H, d, J=7.30Hz), 7.31 (1H, dd, J1=7.37Hz, J2= 8.40Hz), 4.23 (1H, m, 1.96Hz), 4.09 (1H, s), 3.91 (1H, m, J=4.0Hz), 3.70 (1H, s), 2.77 (1H, M, J=4.16Hz), 2.32 (1H, dd, J1=7.81Hz, J2=13.95Hz).
ESI-MS(M/Z):283,306 (M+Na)
The synthesis of the bromo- 5- nitros-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of the 2- of embodiment 2-naphthalene-9- phenol (IV)
Feed intake material amount ratio be [2,3]-epoxy -5- nitro -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene (III): 48% hydrobromic acid aqueous solution=1:5
48% hydrobromic acid aqueous solution inventory is 59.1g, and remaining inventory and operating process are with embodiment 1.Obtain the bromo- 5- of 2- Nitro -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol (IV) 9.7g, yield 49.2%, 132.1 DEG C -133.3 of fusing point DEG C, physicochemical data is with embodiment 1.
The synthesis of the bromo- 5- nitros-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of the 2- of embodiment 3-naphthalene-9- phenol (IV)
Feed intake material amount ratio be [2,3]-epoxy -5- nitro -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene (III): 48% hydrobromic acid aqueous solution=1:20
48% hydrobromic acid aqueous solution inventory is 236.2g, and remaining inventory and operating process are with embodiment 1.Obtain 2- bromo- 5- nitro -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol (IV) 11.8g, yield 59.6%, 132.1 DEG C of fusing point - 133.4 DEG C, physicochemical data is with embodiment 1.
The synthesis of the bromo- 5- nitros-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of the 2- of embodiment 4-naphthalene-9- phenol (IV)
Feed intake material amount ratio be [2,3]-epoxy -5- nitro -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene (III): 48% hydrobromic acid aqueous solution=1:1.
48% hydrobromic acid aqueous solution inventory is 11.8g, and remaining inventory and operating process are with embodiment 1.Obtain the bromo- 5- of 2- Nitro -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol (IV) 4.1g, yield 20.7%, 131.9 DEG C -133.5 of fusing point DEG C, physicochemical data is with embodiment 1.
The synthesis of [2,3]-epoxy-5- nitro-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of embodiment 5-naphthalene (III)
Feed intake material amount ratio be 5- nitro -1,4- dihydros -1,4- endo-methylene groups-naphthalene (II):Metachloroperbenzoic acid= 1:1.5。
In the 1000ml there-necked flasks equipped with mechanical agitation, constant pressure funnel and thermometer, 75% m-chloro peroxide is added Benzoic acid (86.3g, 0.375mol) and 1,2- dichloroethanes (500ml), open stirring, under room temperature, 5- nitro -1 are slowly added dropwise, 1,2- dichloroethanes (100ml) solution of 4- dihydro-Isosorbide-5-Nitrae-endo-methylene group-naphthalenes (47.0g, 0.25mol), drips after 0.5h Finish, then heat to 60 DEG C, at 60 DEG C 1.5h is stirred.After reaction terminates, 100ml saturated sodium sulfites are added in reactant liquor Solution, after stirring 10min, filters, filtrate stratification.Organic layer saturated sodium bicarbonate solution 1000ml is washed till neutrality, then Washed once with saturated common salt, vacuum distillation is reclaimed and obtain after 1,2- dichloroethanes [2,3]-epoxy -5- nitro -1,2,3,4- tetra- Hydrogen-Isosorbide-5-Nitrae-endo-methylene group-naphthalene (III) 49.8g, yield 98.1%, G/C content 97.4%.[GC methods:Rich power 9790II type gas phase color Spectrometer;Chromatographic column:SE-54;Injector:330℃;Detector:340℃;Column temperature:250℃].
The synthesis of [2,3]-epoxy-5- nitro-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of embodiment 6-naphthalene (III)
Feed intake material amount ratio be 5- nitro -1,4- dihydros -1,4- endo-methylene groups-naphthalene (II):Metachloroperbenzoic acid= 1:1.1
The inventory of 75% metachloroperbenzoic acid metachloroperbenzoic acid is 63.3g, remaining inventory and operating condition With embodiment 5, [2,3]-epoxy -5- nitro -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene (III) 41.6g, yield are obtained 81.9%, G/C content 98.2%, vapor detection condition is with embodiment 5.
The synthesis of [2,3]-epoxy-5- nitro-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of embodiment 7-naphthalene (III)
Feed intake material amount ratio be 5- nitro -1,4- dihydros -1,4- endo-methylene groups-naphthalene (II):Metachloroperbenzoic acid= 1:1.6
The inventory of 75% metachloroperbenzoic acid metachloroperbenzoic acid is 92.0g, and reaction temperature is 80 DEG C, remaining throwing Doses and operating condition obtain [2,3]-epoxy -5- nitro -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene (III) with embodiment 5 46.7g, yield 92.0%, G/C content 96.4%, vapor detection condition is with embodiment 5.
The synthesis of the 5- nitro-1,4- dihydros-1,4- endo-methylene groups of embodiment 8-naphthalene (II)
Feed intake material amount ratio be 2- amino -6- nitrobenzoic acids (I):Cyclopentadiene:Isoamyl nitrite:The concentrated sulfuric acid= 1:3:1.2:0.01
In the 500ml there-necked flasks equipped with mechanical agitation, constant pressure funnel and thermometer, 170ml dichloromethane is added With the concentrated sulfuric acid (0.098g, 0.001mol), be added dropwise simultaneously at 40 DEG C isoamyl nitrite (14.1g, 0.12mol), 2- amino- The acetone soln of 6- nitrobenzoic acids (18.2g, 0.1mol) and cyclopentadiene (19.8g, 0.3mol).Feed time control exists 1h, charging is warming up to 50 DEG C of stirring 3h after terminating, after reaction terminates, be cooled to room temperature, and reactant liquor is filtered with diatomite, and filtrate is dense After contracting, with n-hexane refluxing extraction 3 times, merge n-hexane, after concentration 5- nitros-Isosorbide-5-Nitrae-dihydro-Isosorbide-5-Nitrae-endo-methylene group-naphthalene (II) 14.9g, yield 74.6%, G/C content 97.3%.Vapor detection condition is with embodiment 5.
The synthesis of the 5- nitro-1,4- dihydros-1,4- endo-methylene groups of embodiment 9-naphthalene (II)
Feed intake material amount ratio be 2- amino -6- nitrobenzoic acids (I):Cyclopentadiene:Isoamyl nitrite:The concentrated sulfuric acid= 1:2:1.2:0.01
The inventory of cyclopentadiene is 13.2g, and remaining inventory and operating condition obtain 5- nitros-Isosorbide-5-Nitrae-two with embodiment 8 Hydrogen-Isosorbide-5-Nitrae-endo-methylene group-naphthalene (II) 11.4g, yield 60.9%, G/C content 98.4%.Vapor detection condition is with embodiment 5.
The synthesis of the 5- nitro-1,4- dihydros-1,4- endo-methylene groups of embodiment 10-naphthalene (II)
Feed intake material amount ratio be 2- amino -6- nitrobenzoic acids (I):Cyclopentadiene:Isoamyl nitrite:The concentrated sulfuric acid= 1:18:1.2:0.01
The inventory of cyclopentadiene is 118.8g, and remaining inventory and operating condition obtain 5- nitro-Isosorbide-5-Nitraes-with embodiment 8 Dihydro-Isosorbide-5-Nitrae-endo-methylene group-naphthalene (II) 14.7g, yield 70.6%, G/C content 96.8%.Vapor detection condition is with embodiment 5.
The synthesis of the 5- amino-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of embodiment 11-naphthalene-9- phenol (V)
The mass ratio that feeds intake is the bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups of 2--naphthalene -9- phenol:5%Pd/C=1: 0.03, triethylamine consumption is 3 equivalents.
The bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol of 2- is added in 500ml autoclaves (2.83g, 0.01mol), catalyst 5%Pd/C 0.08g, triethylamine (3.0g, 0.03mol), absolute ethyl alcohol (300ml), in kettle Hydrogen Vapor Pressure 3.0MPa, at 120 DEG C of temperature, stirs 5h, after raw material conversion completely, filters, and reclaims catalyst 5%Pd/C, filter After liquid concentration, water and each 20ml of ethyl acetate are added, stirred under room temperature after 10min, stratification, organic layer is dried, concentration, obtains 5- amino -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol (V) 1.68g, yield 96.0%, G/C content 97.1%.[GC Method:Rich power 9790II type gas chromatograph;Chromatographic column:SE-54;Injector:330℃;Detector:340℃;Column temperature:At 200 DEG C Insulation 2min, 1 DEG C/min rise to 220 DEG C, keep 220 DEG C of 3min, and 5 DEG C/min rises to 250 DEG C, then keeps 250 DEG C of constant temperature].
The synthesis of the 5- amino-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of embodiment 12-naphthalene-9- phenol (V)
The mass ratio that feeds intake is the bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups of 2--naphthalene -9- phenol:5%Pd/C=1: 0.1, triethylamine consumption is 5 equivalents.
The bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol of 2- is added in 500ml autoclaves (50.9g, 0.18mol), 5%Pd/C 0.51g, triethylamine (90.9g, 0.90mol), absolute ethyl alcohol (300ml), hydrogen in kettle Pressure 3.5MPa, at 120 DEG C of temperature, stirs 6h, after raw material conversion completely, filters, and reclaims catalyst 5%Pd/C, and filtrate is dense After contracting, water and each 200ml of ethyl acetate are added, stirred under room temperature after 10min, stratification, organic layer is dried, concentration, obtains 5- Amino -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol (V) 25.2g, yield 80.0%, G/C content 93.2%.Gas phase is examined Survey condition is with embodiment 11.
The synthesis of the 5- amino-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of embodiment 13-naphthalene-9- phenol (V)
The mass ratio that feeds intake is the bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups of 2--naphthalene -9- phenol:5%Pd/C=1: 0.05, triethylamine consumption is 3 equivalents.
The bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol of 2- is added in 500ml autoclaves (8.5g, 0.03mol), 5%Pd/C 0.43g, triethylamine (15.2g, 0.15mol), absolute methanol (300ml), hydrogen pressure in kettle Power 2.0MPa, at 120 DEG C of temperature, stirs 5h, after raw material conversion completely, filters, and reclaims catalyst 5%Pd/C, filtrate concentration Afterwards, water and each 50ml of ethyl acetate are added, is stirred under room temperature after 10min, stratification, organic layer is dried, concentration, obtains 5- ammonia Base -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol (V) 4.9g, yield 93.3%, G/C content 92.8%.Vapor detection Condition is with embodiment 11.
Embodiment 14N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalimide (VI) synthesis.
Feed intake material amount ratio be 5- amino -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol:Phthalic anhydride =1:1.05.
Equipped with mechanical agitation, in the 500ml four-hole bottles of thermometer, 5- amino -1 is added, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-bridge is sub- Methyl-naphthalene -9- phenol (99.8g, 0.57mol), phthalic anhydride (88.5g, 0.59mol) is warming up to 130 DEG C, stirs 1.5h, Reaction terminate after, while hot be added dropwise toluene 200ml, finish, after naturally cooling to room temperature, filter, obtain N- (1,2,3,4- tetrahydrochysene -1, 4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalimide (VI) 167.3g, yield 96.2%, fusing point 148.9-149.7 ℃。
Embodiment 15N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalimide (VI) synthesis.
Feed intake material amount ratio be 5- amino -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol:Phthalic anhydride =1:1.01.
Equipped with mechanical agitation, in the 500ml four-hole bottles of thermometer, 5- amino -1 is added, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-bridge is sub- Methyl-naphthalene -9- phenol (99.8g, 0.57mol), phthalic anhydride (85.8g, 0.58mol) is warming up to 150 DEG C, stirs 1.5h, Reaction terminate after, while hot be added dropwise toluene 200ml, finish, after naturally cooling to room temperature, filter, obtain N- (1,2,3,4- tetrahydrochysene -1, 4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalimide (VI) 158.2g, yield 90.1%, fusing point 148.8-149.9 ℃。
Embodiment 16N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalimide (VI) synthesis.
Feed intake material amount ratio be 5- amino -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol:Phthalic anhydride =1:1.2.
Equipped with mechanical agitation, in the 500ml four-hole bottles of thermometer, 5- amino -1 is added, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-bridge is sub- Methyl-naphthalene -9- phenol (99.8g, 0.57mol), phthalic anhydride (100.6g, 0.68mol) is warming up to 120 DEG C, stirring 1.5h, after reaction terminates, is added dropwise while hot toluene 200ml, finishes, and after naturally cooling to room temperature, filters, and obtains N- (1,2,3,4- tetra- Hydrogen-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol -5- bases -)-phthalimide (VI) 162.6g, yield 93.5%, fusing point 148.9- 149.9℃。
Embodiment 17N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- carbonyl -5- bases -)-phthalimide (VII) synthesis.
Feed intake material amount ratio be N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-O-phthalic Acid imide:TEMPO:TCCA:Sodium bromide=1:0.02:1.3:0.2
In the 500ml there-necked flasks equipped with mechanical agitation, thermometer and constant pressure funnel, N- (1,2,3,4- tetra- is added Hydrogen-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol -5- bases -)-phthalimide (10.0g, 32.8mmol) and ethyl acetate (200ml), stirring is opened, TEMPO (0.1g, 0.65mmol), sodium bromide (0.66g, 6.5mmol), charging knot is added at 0 DEG C Insulated and stirred 10min after beam, is then added dropwise the ethyl acetate solution (100ml) of TCCA (9.8g, 42.6mmol), charging knot after 1h Beam, stirs 1h at 0 DEG C, after reaction terminates, saturated sodium bisulfite solution 10ml is added in reaction bulb, and under room temperature 1h is stirred, Add water 200ml, after stirring 10min, stand a point liquid, organic layer concentration, obtain N- (1,2,3,4- tetrahydrochysene-Isosorbide-5-Nitrae-endo-methylene group- Naphthalene -9- carbonyl -5- bases -)-phthalimide (VII) 9.4g, yield 94.6%.
Embodiment 18N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -)-O-phthalic The synthesis of acid imide (VIII)
Feed intake material amount ratio be N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- carbonyl -5- bases -)-neighbour's benzene two Carboximide:Triphenylphosphine:Carbon tetrachloride=1:3:2
In the 500ml there-necked flasks equipped with mechanical agitation, thermometer and constant pressure funnel, N- (1,2,3,4- tetra- is added Hydrogen-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- carbonyl -5- bases -)-phthalimide (12.1g, 0.04mol), triphenylphosphine After (31.4g, 0.12mol) and acetonitrile (100ml), nitrogen displacement three times, stirring is opened, carbon tetrachloride is added dropwise at 60 DEG C (12.3g, 0.08mol), after completion of dropwise addition, insulated and stirred 1h, after reaction terminates, reactant liquor concentration, then add in concentrate 40ml methyl alcohol, after standing refrigeration 3h, filters, and obtains N- (1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- dichloro methene -5- Base -)-phthalimide (VIII) 12.6g, yield 85.4%.
The synthesis of the 9- of embodiment 19 (dichloro methene) -1,2,3,4- tetrahydrochysenes -5- amino naphthalenes (IX)
Feed intake material amount ratio be N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -) - Phthalimide:40% methylamine water solution=1:6
In the 500ml there-necked flasks equipped with mechanical agitation, thermometer and constant pressure funnel, N- (1,2,3,4- tetra- is added Hydrogen-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- dichloro methene -5- bases -)-phthalimide (11.1g, 0.03mol) and ethanol (100ml) 40% methylamine water solution (13.9g, 0.18mol), is added dropwise at 90 DEG C, charging terminates after 0.5h, then insulated and stirred 3h, after reaction terminates, reactant liquor concentration adds ethyl acetate (30ml) and water (50ml), point liquid, organic layer to do in concentrate Dry, concentration, obtains tetrahydrochysene -5- amino naphthalenes (IX) 6.1g of 9- (dichloro methene) -1,2,3,4-, yield 85.1%.HPLC contents: 99.4%.[HPLC methods:Chromatographic column:XDB-C18 4.6mm×150mm×5μm;Mobile phase:Methyl alcohol:Water=65:35;Detection ripple Long 216nm;Column temperature:30℃;Flow velocity 1.0ml/min]..
The synthesis of the 9- of embodiment 20 (dichloro methene) -1,2,3,4- tetrahydrochysenes -5- amino naphthalenes (IX)
Feed intake material amount ratio be N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -) - Phthalimide:80% hydrazine hydrate solution=1:4
The consumption of 80% hydrazine hydrate solution is 7.4g (0.12mol), and remaining inventory and operating process are obtained with embodiment 19 Tetrahydrochysene -5- amino naphthalenes (IX) 6.3g of 9- (dichloro methene) -1,2,3,4-, yield 87.9%, HPLC contents 99.5%.Liquid phase is examined Survey method is with embodiment 19.
3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- the carboxylic acids of embodiment 21 (9- dichloromethylene -1,2,3,4- tetrahydrochysenes - 1,4- endo-methylene groups-naphthalene -5- bases)-acid amides (IX) synthesis
Feed intake material amount ratio be 9- (dichloro methene) -1,2,3,4- tetrahydrochysene -5- amino naphthalenes:3- difluoromethyl -1- first Base -1H- pyrazoles -4- phosgenes:Triethylamine=1:1.01:2
In the 500ml there-necked flasks equipped with mechanical agitation, constant pressure funnel and tail gas absorber, 9- (dichloromethanes are added Thiazolinyl) -1,2,3,4- tetrahydrochysenes -5- amino naphthalenes (23.9g, 0.1mol), dichloromethane 100ml and triethylamine (20.2g, 0.2mol), stirring is opened, 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- phosgenes is added dropwise at 0 DEG C, after charging terminates, protected Temperature reacts complete to raw material conversion, and water 20ml is added in reaction bulb, is stirred at room temperature 10 minutes, stands a point liquid, organic layer It is dried, concentrates, obtains 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- carboxylic acids (9- dichloromethylene -1,2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-bridge Methylene-naphthalene -5- bases)-acid amides (IX) 39.3g, yield 98.9%.HPLC purity (area normalization method) 98.7%, fusing point 148.7-149.2 DEG C, physicochemical data and document Tobler, H.;Walter,H.;Ehrenfreund,J.;Corsi, C.WO2007/048556,2007(Syngenta);Chem.Abstr.
2007,146,481833 reports are consistent.[HPLC methods:Chromatographic column:XDB-C18 4.6mm×150mm×5μm;Flowing Phase:Acetonitrile:The phosphonic acids aqueous solution (1:1000)=70:30;Detection wavelength 255nm;Column temperature:40℃;Flow velocity 1.0ml/min].

Claims (10)

1. the bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups of 2- of the chemical formula as shown in formula (IV)-naphthalene -9- phenol
2. the preparation of the bromo- 5- nitros-1,2,3,4- tetrahydrochysenes-1,4- endo-methylene groups of compound 2- described in claim 1-naphthalene-9- phenol Method, it is characterised in that:Described method is compound [2,3]-epoxy -5- nitro -1,2,3,4- according to formula (III) Tetrahydrochysene-Isosorbide-5-Nitrae-endo-methylene group-naphthalene at 20 DEG C, reacts in organic solvent with hydrobromic acid aqueous solution, and formula (IV) compound is obtained
3. preparation method according to claim 2, it is characterised in that:Described hydrobromic acid aqueous solution is 48% hydrobromic acid water Solution.
4. the preparation method according to Claims 2 or 3, it is characterised in that:Described organic solvent is dichloromethane, acetic acid Any one in ethyl ester, tetrahydrofuran, acetonitrile or chlorobenzene.
5. the preparation method according to Claims 2 or 3 or 4, it is characterised in that:Feed intake material in described preparation method Amount ratio is compound (III):48% hydrobromic acid aqueous solution is 1:1-20.
6. the bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol of 2- described in claim 1 is being prepared such as formula (X) the compound 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- carboxylic acids shown in-(9- dichloromethylene -1,2,3,4- tetrahydrochysene -1, 4- endo-methylene groups-naphthalene -5- bases) application in-acid amides
7. the bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol of 2- described in claim 1 is being prepared such as formula (X) the compound 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- carboxylic acids shown in-(9- dichloromethylene -1,2,3,4- tetrahydrochysene -1, 4- endo-methylene groups-naphthalene -5- bases)-acid amides method, it is characterised in that:Comprise the steps:
1) preparation of 5- amino -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol
By bromo- 5- nitro -1 of 2-, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol is added in reactor, with absolute ethyl alcohol or Absolute methanol is solvent, adds metallic catalyst I and co-catalyst II, and intensification stirring reaction 5-6 hour, treats under Hydrogen Vapor Pressure Reaction is complete, by reacting liquid filtering, filtrate distillating recovering solvent, obtains 5- amino -1, and 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene - 9- phenol, the metallic catalyst I is Pd/C, Rh/C, Pt/C or Raney's nickel etc., and the co-catalyst II is triethylamine, diisopropyl Any one in base ethamine or pyridine;
2) preparation of N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalimide
By step 1) 5- amino -1 that obtains, 2,3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol adds in reactor, adds adjacent Phthalate anhydride, heat up melting stirring reaction 1.5h under condition of no solvent, and question response terminates, and organic solvent II I is added dropwise while hot, After being cooled to room temperature, filter, obtain shallow white solid N- (1,2,3,4- tetrahydrochysene-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- phenol -5- bases -)-neighbour BIDA, described organic solvent II I is any one in dimethylbenzene, cyclopentanone, chlorobenzene or toluene;
3) preparation of N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- carbonyl -5- bases -)-phthalimide
By step 2) N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol -5- bases -)-phthalimide that obtains In adding reactor, with ethyl acetate as solvent, stirring is opened, oxidant IV, sodium bromide and trichlorine isocyanide urea are added at 0 DEG C Acid, after question response terminates, saturated sodium thiosulfate solution is added in reactor, after stirring reaction 0.5h, reactant liquor washing point Liquid, organic layer concentration, obtains N- (1,2,3,4- tetrahydrochysene-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -9- carbonyl -5- bases -)-phthalimide, Described oxidant IV is 2,2,6,6- tetramethyl piperidines-nitrogen-oxide or 4- hydroxyl -2,2,6,6- tetramethyl piperidine -1- oxygen Any one in free radical;
4) system of N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -)-phthalimide It is standby
By step 3) N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- carbonyl -5- bases -)-phthalyl that obtains is sub- Amine is added in reactor, with acetonitrile as solvent, adds triphenylphosphine, and after nitrogen displacement, the stirring that heats up is lower to add carbon tetrachloride, treats After reaction terminates, reactant liquor concentration adds methyl alcohol in concentrate and stands after refrigeration 3h, filters, and obtains N- (1,2,3,4- tetra- Hydrogen -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -)-phthalimide;
5) preparation of 9- (dichloro methene) -1,2,3,4- tetrahydrochysene -5- amino naphthalenes
By step 4) N- (1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- dichloro methene -5- bases -)-neighbour's benzene two for obtaining Carboximide is added in reactor, and with ethanol as solvent, the stirring that heats up is lower to add alkaline reagent V, after question response terminates, reactant liquor Concentration and recovery solvent, adds ethyl acetate, washing point liquid, organic layer concentration to obtain white solid 9- (dichloro methylenes in concentrate Base) -1,2,3,4- tetrahydrochysene -5- amino naphthalenes, described alkaline reagent V is any one in hydrazine hydrate solution or methylamine water solution Kind;
6) 3- difluoromethyls -1- methyl isophthalic acids H- pyrazoles -4- carboxylic acids-(9- dichloromethylene -1,2,3,4- tetrahydrochysene -1,4- bridge methylenes Base-naphthalene -5- bases)-acid amides preparation
By step 5) tetrahydrochysene -5- amino naphthalenes of 9- (dichloro methene) -1,2,3,4- that obtain are added in reactor, add solvent VI And triethylamine, stirring is opened, 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- phosgenes, after question response terminates, water are added dropwise at 0 DEG C Wash, point liquid, organic layer is dried, concentration, obtain 3- difluoromethyl -1- methyl isophthalic acid H- pyrazoles -4- carboxylic acids-(9- dichloromethylene -1,2, 3,4- tetrahydrochysenes-Isosorbide-5-Nitrae-endo-methylene group-naphthalene -5- bases)-acid amides, described solvent VI be ethyl acetate, butyl acetate, dichloromethane, Any one in 1,2- dichloroethanes, toluene, dimethylbenzene or chlorobenzene.
8. method according to claim 7, it is characterised in that:Step 1) described in metallic catalyst I be 5%Pd/C;2- The mass ratio of bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol and metallic catalyst I is 1:0.01- 0.05;Co-catalyst II is triethylamine;The bromo- 5- nitros -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol of 2- and co-catalysis The mol ratio of agent II is 1:2-5.
9. method according to claim 7, it is characterised in that:Step 1) described in Hydrogen Vapor Pressure be 2.0-3.5MPa, Reaction temperature is 120 DEG C;Step 2) described in 5- amino -1,2,3,4- tetrahydrochysenes -1,4- endo-methylene groups-naphthalene -9- phenol and adjacent benzene two The mol ratio of formic anhydride is 1:1.01-1.2, reaction temperature is 120-150 DEG C.
10. the preparation method of the preparation of benzo alkene fluorine bacterium azoles, it is characterised in that:Reaction equation is expressed as follows:
CN201611093774.9A 2016-12-02 2016-12-02 2-bromine-5-nitro-1,2,3,4-tetrahydro-1,4-methano-naphthalene-9-phenol and preparation method thereof Pending CN106588668A (en)

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CN102858750A (en) * 2010-04-20 2013-01-02 先正达参股股份有限公司 Process for the preparation of pyrazole carboxylic acid amides
CN104926736A (en) * 2015-05-29 2015-09-23 重庆紫光化工股份有限公司 Synthesis methods for azoxystrobin and intermediate thereof
CN106588745A (en) * 2016-12-02 2017-04-26 杭州百昂锐地科技有限公司 Intermediate of benzovindiflupyr and preparation method and application thereof

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CN104926736A (en) * 2015-05-29 2015-09-23 重庆紫光化工股份有限公司 Synthesis methods for azoxystrobin and intermediate thereof
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