CN106939026A - A kind of preparation and its application of ruthenium metal olefin metathesis catalyst - Google Patents

A kind of preparation and its application of ruthenium metal olefin metathesis catalyst Download PDF

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CN106939026A
CN106939026A CN201710139013.0A CN201710139013A CN106939026A CN 106939026 A CN106939026 A CN 106939026A CN 201710139013 A CN201710139013 A CN 201710139013A CN 106939026 A CN106939026 A CN 106939026A
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catalyst
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olefin metathesis
alkyl
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张伟
吴江
朱纯银
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Shanghai Ke Technology Co Ltd
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    • C07F15/0006Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
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    • C08G61/06Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds
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    • C08G2261/418Ring opening metathesis polymerisation [ROMP]

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Abstract

The invention discloses a kind of ruthenium metal olefin metathesis catalyst of new alkene part and ruthenium Cabbeen formation and its application.The present invention is initiation material from the salicylide containing substituted radical that is simple in construction, being easy to get, and facile syntheesis obtains required alkene part, and the alkene part carries out ligand exchange with catalyst precarsor again, that is, obtains corresponding new metal ruthenium catalyst.Such catalyst efficiently promoting olefin metathesis can be reacted, and cyclic compound and catalysis dicyclopentadiene progress ring opening metathesis polymerization are obtained for being catalyzed the cultural care of multiple types alkadienes.This method raw material is easy to get, simple to operate, and process stabilizing is environment-friendly, is adapted to amplification production, to prepare various big ring class drug molecules and super performance macromolecular material there is provided a kind of good thinking and method using this olefin metathesis catalyst.

Description

A kind of preparation and its application of ruthenium metal olefin metathesis catalyst
Technical field
The invention is related to a kind of preparation method and applications of olefin metathesis catalyst, particularly a kind of ruthenium metal catalytic The preparation method of agent and its catalysis alkadienes substrate carry out cultural care in and catalysis dicyclopentadiene opened The application of ring metathesis polymerization reaction.
Technical background
In recent decades, the research of olefin metathesis reaction is because its synthetic product is in fields such as medicine, agricultural chemicals and materials Substantial worth and obtain rapid development.And cyclization double decomposition (Ring-closing metathesis, abbreviation RCM) is reacted It is a kind of important kind of olefin metathesis reaction, because of its distinguishing feature in terms of various macrocycle molecules are synthesized, has obtained Increasing concern.It makes compound cyclization there is provided the important of synthesis of cyclic organic compound by building carbon-to-carbon double bond Means.At present, some macrocyclic compounds are applied as medicine in clinic, and more macrocyclic compounds are then It is among the corresponding medicament research and development stage (Nature, 2008,7,608-624).Ring-opening metathesis polymerization (Ring-opening Metathesis polymerization, abbreviation ROMP) reaction be olefin metathesis reaction another important kind.The neck The research in domain is concentrated mainly on the ROMP catalysts of synthesizing efficient and prepares multi-functional new material side based on ROMP reactions Face (Macromolecules, 2012,45,4447-4453), researchers investigated large quantities of tools using ROMP reactions There are the novel high polymer material of excellent properties, such as polydicyclopentadiene, polynorbornene and polycyclic octene etc..
The catalyst of olefin metathesis reaction generates a variety of types by development for many years, and Cabbeen type is catalyzed Agent is the most important RCM catalyst of current research and development.In this kind of catalyst, most important and application it is most be Schrock catalyst (J.Am.Chem.Soc.1990,112,3875-3886) and Grubbs catalyst (Bioorganic& Medicinal Chemistry, 2001,9 (1), 199-209) and the Hoveyda- that is modified Grubbs catalyst Grubbs catalyst, Grela catalyst and ZhanShi catalyst.The present invention has synthesized the new ruthenium metal olefin polymerization of a class It is simultaneously applied in catalysis alkadienes substrate progress cultural care by catalyst.
The content of the invention
It is contemplated that be initiation material from the enough salicylides simply replaced of knot, required for easily obtaining Alkene part, resulting alkene part carries out ligand exchange with catalyst precarsor again can access corresponding New Ruthenium metal catalytic Agent.Such catalyst efficiently promoting olefin metathesis can be reacted, and cyclization double decomposition is carried out for various catalysis alkadienes substrates The big ring class organic molecule of reaction synthesis, can also be used for catalysis dicyclopentadiene polymerisation and obtains high performance polymer material Material.This method raw material is easy to get, simple to operate, and process stabilizing is environment-friendly, is adapted to amplification production, is that alkene part and ruthenium Cabbeen are urged Agent and prepare big cyclic agent molecule using this olefin metathesis catalyst and super performance macromolecular material is provided A kind of good thinking and method.
The invention provides a kind of ruthenium metal olefin metathesis catalyst, it is characterised in that:Concrete structure formula is as follows:
Wherein, R1For hydrogen, alkyl, aryl;
R2For hydrogen, alkyl, aryl;
R3For hydrogen, alkyl, aryl;
R4For hydrogen, alkyl, aryl;
R5For hydrogen, alkyl, aryl;
R1' it is hydrogen, alkyl, aryl;
R2' it is hydrogen, alkyl, aryl;
R3' it is hydrogen, alkyl, aryl;
R4' it is hydrogen, alkyl, aryl;
R5' it is hydrogen, alkyl, aryl;
R7For hydrogen, alkyl, aryl;
L is halogen;
Y is oxygen or sulphur;
Z1For any on phenyl ring or several substituted halogens (preferably:Chlorine, bromine, iodine), nitro, amino, aryl, alkyl, alkane Epoxide;
Z2For hydrogen, alkyl, aryl.
Abovementioned alkyl preferably is selected from the straight or branched alkyl that carbon number is no more than 6, such as:Methyl, ethyl, propyl group, together with two Methyl (- CH (CH3)2)、-C(CH3)3,-pentane ,-n-hexane etc.;
Above-mentioned alkoxy preferably is selected from the alkoxy that carbon atom is no more than 6, such as:-OCH3,-OC2H5,-OC3H8,-OC4H9
Above-mentioned aryl is preferably phenyl, benzyl, p-methylphenyl, p-methoxyphenyl, an aminomethyl phenyl, meta-methoxy benzene Base, p-hydroxybenzene, to methyl-benzyl, to methoxy-benzyl, a methyl-benzyl, meta-methoxy benzyl etc.;
Above-mentioned R1、R2、R3、R4、R5、R1‘、R2‘、R3‘、R4‘、R5' for substituent that is identical or differing.
Above-mentioned Z1The preferably dibasic group of meta or ortho position.
Further, present invention also offers the preparation method of above-mentioned ruthenium metal olefin metathesis catalyst, its feature exists In being realized by following steps:
Step 1: will be exposed in hydroxyl exposed in substituted salicylide or 2- thiosalicylic aldehyde by nitrile compounds It is sulfhydryl protected;
Wherein, the structure of nitrile compounds is as follows:
The X1For electron-withdrawing group, such as:Halogen is (preferably:Chlorine, bromine, iodine), hydroxyl etc.;
The Y is oxygen or sulphur atom;
Step 2: by the carbonyl alkenyl in substituted salicylide;
The olefination is preferably Wittig reactions.
Step 3: the cyano group introduced in step one is obtained into amide compound by reduction and acylation reaction;
Amidation reagent employed in amidated process is the compound shown in following structure:
The X3For electron-withdrawing group, such as:Halogen is (preferably:Chlorine, bromine, iodine), hydroxyl etc.;
Step 4: the product of step 3 and catalyst precarsor reaction are obtained into target product.
The catalyst precarsor is generally Grubbs 2ndCatalyst precarsor.
Further, a kind of preparation method for ruthenium metal olefin metathesis catalyst that the present invention is provided, its specific work Skill step is as follows:
Step 1-1, substituted salicylide, solvent, highly basic and nitrile compounds are added into reactor, be stirred at room temperature uniform Afterwards, at a temperature of 20-80 DEG C, react 0.5-20 hours;
Above-mentioned highly basic is selected from sodium carbonate, potassium carbonate, cesium carbonate, triethylamine, diisopropyl ethyl amine, potassium tert-butoxide, tertiary fourth Sodium alkoxide, sodium hydride, hydrofining;It preferably is selected from the inorganic bases such as potassium carbonate, cesium carbonate or triethylamine, diisopropyl ethyl amine etc. organic Alkali.
Above-mentioned solvent is selected from nitrile solvents, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, dimethyl sulfoxide (DMSO), ether Class solvent, alkane solvents, toluene, chlorobenzene, alkyl halide;It preferably is selected from acetonitrile, N,N-dimethylformamide, N, N- dimethylacetamides Amine, dimethyl sulfoxide (DMSO) equal solvent.The mass ratio of the solvent and substituted salicylic aldehydes is preferably 5-10:1.
The reaction temperature is preferably 50-60 DEG C;
The reaction time has appropriate adjustment according to differential responses raw material, and its terminal is judged with prosecutor formula in TLC or other Substituted salicylide raw material reaction, which is finished, to be defined.
Intermediate compound I is obtained after step 1-2, extractive reaction liquid, the solvent for removing organic phase;
Extraction agent is selected from the reagents such as esters, ethers, halogenated hydrocarbons, toluene, preferably is selected from the esters such as ethyl acetate, methyl acetate molten Agent, its consumption is 3-4 times of the overall accumulated amount of reaction solution, in order to improve the effect of extraction, also can select the water of 1-2 times of volume, To wash organic layer at least 2 times.
The structural formula of the intermediate compound I is as follows:
Step 2-1, intermediate compound I is dissolved in after solvent, adds triphenylphosphine bromomethane, after cooling, into reaction solution in batches Highly basic is added, at a temperature of -10-120 DEG C, is reacted 0.5-20 hours, Wittig reactions are completed;
Above-mentioned highly basic is selected from sodium carbonate, potassium carbonate, cesium carbonate, triethylamine, diisopropyl ethyl amine, potassium tert-butoxide, tertiary fourth Sodium alkoxide, sodium hydride, hydrofining, tert-butyl lithium;It preferably is selected from potassium tert-butoxide, sodium tert-butoxide, sodium hydride.
Above-mentioned solvent is selected from nitrile solvents, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, dimethyl sulfoxide (DMSO), ether Class solvent, alkane solvents, toluene, chlorobenzene, alkyl halide;It preferably is selected from the ethers such as methyl tertiary butyl ether(MTBE), ether or tetrahydrofuran molten Agent.The solvent and the mass ratio of intermediate compound I are preferably 10-15:1.
The temperature of the reaction is preferably -10-0 DEG C;
The reaction time has appropriate adjustment according to differential responses raw material, and its terminal is judged with prosecutor formula in TLC or other Intermediate compound I raw material reaction, which is finished, to be defined.
Step 2-2, treat intermediate compound I after completion of the reaction, remove solvent, add water, extractive reaction liquid removes the molten of organic phase Intermediate II is obtained after agent;
Extraction agent is selected from the reagents such as esters, ethers, halogenated hydrocarbons, toluene, preferably is selected from the halos such as dichloromethane, chloroform Hydrocarbon.Its consumption is 3-4 times of the overall accumulated amount of reaction solution, in order to improve the effect of extraction, also can select the water of 1-2 times of volume, To wash organic layer at least 2 times.
Step 3-1, intermediate II is dissolved in after solvent, in being added under less than 0 DEG C of cryogenic conditions after reducing agent, in -10- At a temperature of 120 DEG C, react 0.5-20 hours, be amino by cyano reduction;
Above-mentioned solvent is selected from nitrile solvents, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, dimethyl sulfoxide (DMSO), ether Class solvent, alkane solvents, toluene, chlorobenzene, alkyl halide;It preferably is selected from ether solvent;Most preferably from methyl tertiary butyl ether(MTBE), ether, Tetrahydrofuran or 1,4- dioxane) etc. ether solvents.The solvent and the mass ratio of intermediate II are preferably 5-15:1.
Reaction temperature is preferably -10-0 DEG C;
The reducing agent may be selected from it is any can be by the reagent that cyano reduction is amino, preferably borine tetrahydrofuran solution, hydrogen Change lithium aluminium etc..
After the completion of step 3-2, reaction, reaction is quenched with acid, column chromatography obtains intermediate III;
The acid is preferably inorganic acid, such as:Hydrochloric acid or sulfuric acid etc.;Its concentration is preferably 7-85% acid.
The eluant, eluent selected in the column chromatography procedure preferably is selected from esters, ethers, ketone, alkane;It preferably is selected from ethyl acetate, second The ester solution of sour methyl esters etc., and carbon number are not more than 8 alkane.
The eluant, eluent is most preferably ethyl acetate and n-hexane/pentane/hexamethylene/pentamethylene=1:0.5-5.
Step 3-3, intermediate III is dissolved in after solvent, adds acetylation reagent, highly basic, it is anti-at a temperature of 0-10 DEG C Answer 0.5-20 hours, occur amidation process;
Above-mentioned solvent is selected from nitrile solvents, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, dimethyl sulfoxide (DMSO), ether Class solvent, alkane solvents, toluene, chlorobenzene, alkyl halide;It preferably is selected from the halogenated hydrocarbon solvents such as dichloromethane, chloroform.The solvent Mass ratio with intermediate III is preferably 5-15:1.
The acetylation reagent is preferably chloroacetic chloride or acetic anhydride;
The organic base is preferably triethylamine, diisopropyl ethyl amine, potassium tert-butoxide, sodium tert-butoxide etc., most preferably three second Amine or diisopropyl ethyl amine;
Step 3-4, after completion of the reaction, reaction is quenched with acid, dries and removes after solvent, obtains alkene part;
The acid is preferably inorganic acid, such as:Hydrochloric acid or sulfuric acid etc.;Its concentration is preferably 7-85% acid.
Step 4-1, catalyst precarsor and alkene part be dissolved in after solvent, add catalyst, at a temperature of 30-50 DEG C, Reaction 2-4 hours;
Above-mentioned solvent is selected from nitrile solvents, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, dimethyl sulfoxide (DMSO), ether Class solvent, alkane solvents, toluene, chlorobenzene, alkyl halide;The solvent is preferably n-hexane, normal heptane, petroleum ether, toluene, chlorine Benzene, tetrahydrofuran and dichloromethane etc., the solvent of optimization is toluene and dichloromethane;The solvent and catalyst precarsor added Ratio in 3mL:1g to 10mL:Between 1g, the ratio of optimization is 5mL:1g.
The catalyst is selected from metallic catalyst, preferably is selected from sub- ketone of iodate etc..
Step 4-2, elimination solid, remove after solvent, are recrystallized to give final catalyst.
The solid is generally the inorganic salts solid after the completion of reaction;
Before final catalyst is separated out, preferably by system be cooled to 0-20 DEG C place 1-2 hours after, then will wherein precipitate The contaminant filter gone out is removed.Then vacuum distillation removes solvent therein again, adds good solvent and poor solvent carries out crystallization After obtain final product dark green solid.
The good solvent may be selected from the ester solvents such as the halogenated hydrocarbons such as dichloromethane and chloroform, ethyl acetate and methyl acetate, should Poor solvent may be selected from the alcoholic solvents such as methanol, ethanol and isopropanol, ether solvents and ketone solvent.
The volume ratio of the good solvent and poor solvent is 1:5 to 1:Between 20, most preferred volume ratio is 1:10, And the ratio of crystallization solvent for use cumulative volume and used catalyst precursor is in 5mL:1g to 20mL:Between 1g.Separating out final production Required recrystallization temperature is between 0-30 DEG C during thing crystal, and the crystallization time is between 1 hour to 5 hours.
Further, the preparation method for a kind of ruthenium metal olefin metathesis catalyst that the present invention is provided, also with so The characteristics of:I.e., the mol ratio of salicylide, highly basic and nitrile compounds is 1:1.0-2.5:1.0-2.5;It is preferably in a proportion of 1:1.2- 1.5:1.0-1.5;
The mol ratio of intermediate compound I, highly basic and triphenylphosphine bromomethane is 1:1.0-2.5:1.0-2.5;It is preferably in a proportion of 1: 1.2-1.5:1.0-1.5;
Intermediate II, the mol ratio of reducing agent are 1:2-3;
Intermediate III, acetylation reagent, the mol ratio of highly basic are 1:1.0-2.5:1.0-2.5;It is preferably in a proportion of 1:1.0- 1.2:1.3-1.5;
Catalyst precarsor, the mol ratio of alkene part are 1:1-2.5;It is preferably in a proportion of 1:1.0-1.2.
Further, a kind of ruthenium metal olefin metathesis catalyst for providing of the present invention, also with it is such the characteristics of:I.e., Above-mentioned ruthenium metal olefin metathesis catalyst is the compound shown in one of following structure:
Wherein, above-mentioned X1Selected from F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;
Above-mentioned X2Selected from F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt。
When ruthenium metal olefin metathesis catalyst is constituted above, its preferred preparation method is as follows:I.e., it is above-mentioned New Ruthenium metal olefin metathesis catalyst preparation method, it is characterised in that include following five steps:
A. from the salicylide of substitutionWill be exposed in salicylide molecule by being reacted with bromoacetonitrile Hydroxyl protection gets up to obtain intermediate compound I, and its structural formula is:
Intermediate compound I
Wherein, X1,X2=F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;Y=O, S;
B. intermediate compound I made from step A is obtained into alkene intermediates II with Wittig reagent reactings again, its structural formula For:
Intermediate II
Wherein, X1,X2=F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;Y=O, S;
C. the cyano group in intermediate II made from step B is carried out into reduction with reducing agent again turns into amino, so that in obtaining Mesosome III, its structure is
Intermediate III
Wherein, X1,X2=F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;Y=O, S;
D. the amino in intermediate III made from step C is protected with acetyl group again and obtains required alkene and match somebody with somebody Body, its structural formula is
Wherein, X1,X2=F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;Y=O, S;
E. by the alkene part obtained in step D and catalyst precarsor Grubbs2ndReacted and obtained claims 1 In described new catalyst
Wherein, X1,X2=F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;Y=O, S.
Above-mentioned steps A specific preparation process is as follows:
Substituted salicylide, solvent, highly basic and bromoacetonitrile are added into reactor, is stirred at room temperature uniformly, then be slowly heated Temperature reaches 50-60 DEG C in into reactor, is continually maintained in the thermotonus until the bigcatkin willow aldehyde reaction that raw material replaces is finished.So Substantial amounts of ethyl acetate is added in backward reactor, then organic phase is repeatedly washed with water.Finally organic layer drying solvent is spin-dried for After obtain intermediate compound I
Wherein, X1,X2=F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;Y=O, S;
Highly basic used in reaction system can be that the inorganic bases such as potassium carbonate, cesium carbonate can also be that triethylamine or two are different The organic bases such as ethylamine.
Solvent used in above-mentioned steps A can be acetonitrile, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide and The mass ratio of dimethyl sulfoxide (DMSO) etc., solvent and raw material substituted salicylic aldehydes is 5:1-10:1, the acetic acid second added after completion of the reaction The volume of ester is 3-4 times of reaction solution cumulative volume, and to be about the clear water agitator treating organic layer 3-4 of 1 times of volume of reaction solution It is secondary.
Above-mentioned steps B specific preparation process is as follows:
Intermediate compound I and solvent are added in reaction bulb together, at room temperature stirring and dissolving, then add triphenylphosphine bromine first Alkane.After cooling, then highly basic, which is added portionwise, into reaction solution occurs Wittig reactions.When intermediate compound I after completion of the reaction, will Solvent is evaporated and then adds water, then is extracted product with dichloromethane, and intermediate is obtained after then dichloromethane is evaporated II。
Wherein, X1,X2=F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;Y=O, S;
The highly basic used in reaction system can be potassium tert-butoxide, sodium tert-butoxide, sodium hydride etc., highly basic and substrate intermediate The ratio of the amount of I material is 1.2:1-1.5:1.
The preparation method of above-mentioned ruthenium metal olefin metathesis catalyst, it is characterised in that molten used in being reacted in step B Agent can be methyl tertiary butyl ether(MTBE), ether or tetrahydrofuran, and the mass ratio of solvent and substrate intermediate compound I is 10:1-15:1. The ratio of the amount of triphenylphosphine bromomethane and the material of intermediate compound I is 1.0:1-1.5:1, the temperature of reaction is maintained at -10-0 ℃。
Above-mentioned steps C specific preparation process is as follows:
Intermediate II is dissolved in ether solvent (methyl tertiary butyl ether(MTBE), ether, tetrahydrofuran or Isosorbide-5-Nitrae-dioxane etc.), Then the (- 10-0 DEG C) cyano group added in reducing agent reduction intermediate II molecular structure are amino under cryogenic.Wherein institute Reducing agent can be borine tetrahydrofuran solution either lithium aluminium hydride, and the amount of reducing agent used is substrate intermediate II 2-3 equivalents.After the completion of reaction, reaction is quenched with watery hydrochloric acid.The product Intermediate III crossed after silicagel column purifying reduction, it is used Eluant, eluent is ethyl acetate:N-hexane=1:1.
Above-mentioned steps D specific preparation process is as follows:
Obtained intermediate III after reduction is added into reactor, stirring and dissolving after methylene chloride is added, so After add acetylation reagent (chloroacetic chloride or acetic anhydride) and organic base (triethylamine or diisopropyl ethyl amine) stirring reaction. The temperature wherein reacted is 0-10 DEG C, and the acetylation reagent of addition is the 1.0-1.2 equivalents of intermediate III, the organic base of addition It is the 1.3-1.5 equivalents of substrate intermediate III.Instead
Watery hydrochloric acid washing reaction liquid is used after should finishing, the alkene part removed required for being obtained after solvent is dried
Wherein, X1,X2=F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;Y=O, S;
Above-mentioned steps E specific preparation process is as follows:
By catalyst precarsor and prepare the alkene part required for some catalystAdd to reaction In device, stirring and dissolving after solvent is added, then, the sub- ketone stirring reaction of iodate is added.The mistake after catalyst precarsor has reacted The New Ruthenium metal olefin for by product recrystallize required for purification is obtained again after inorganic salts solid, solvent evaporated is filtered to gather Close catalyst;
Wherein, X, Y=F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;Y=O, S;
The ratio between amount of material of above-mentioned catalyst precarsor and alkene part is 1:1 to 1:Between 2.5, wherein the ratio optimized is 1:1.2。
The preparation method of above-mentioned ruthenium metal olefin metathesis catalyst, solvent used can be n-hexane, normal heptane, stone Oily ether, toluene, chlorobenzene, tetrahydrofuran and dichloromethane etc., the solvent of optimization is toluene and dichloromethane;The solvent that is added and Catalyst precarsor Grubbs2ndRatio in 3ml:1g to 10ml:Between 1g, the ratio of optimization is 5ml:1g.
The preparation method of above-mentioned ruthenium metal olefin metathesis catalyst, the reaction temperature carried out is between 30-50 DEG C, instead Between seasonable between 2-4 hours.
The preparation method of above-mentioned ruthenium metal olefin metathesis catalyst, it is necessary to by system before final catalyst is separated out Be cooled to 0-20 DEG C place 1 to 2 hours after, then by the contaminant filter being wherein settled out remove.Then vacuum distillation removes it again In solvent, add after good solvent and poor solvent carry out crystallization and obtain final product dark green solid.
The preparation method of above-mentioned ruthenium metal olefin metathesis catalyst, what is added when separating out final product crystal is benign Solvent can be dichloromethane, chloroform and ethyl acetate, and poor solvent can be methanol, ethanol and isopropanol etc..
The preparation method of above-mentioned ruthenium metal olefin metathesis catalyst, the good solvent and not when separating out final product crystal The volume ratio of good solvent is 1:5 to 1:Between 20, wherein the volume ratio for comparing optimization is 1:10, and crystallization solvent for use is total Volume and the ratio of used catalyst precursor are in 5ml:1g to 20ml:Between 1g.
The preparation method of above-mentioned ruthenium metal olefin metathesis catalyst, the required crystallization temperature when separating out final product crystal Degree is between 0-30 DEG C, and the crystallization time is between 1 hour to 5 hours.
In addition, present invention also offers a kind of above-mentioned application process of ruthenium metal olefin metathesis catalyst, its feature exists In:Above-mentioned ruthenium metal olefin metathesis catalyst is applied to alkene cultural care, the alkene cultural care Substrate be diolefin compound.
Further, above-mentioned a kind of application process of ruthenium metal olefin metathesis catalyst that the present invention is provided, also has So the characteristics of:I.e., step A, diolefin compound is dissolved in solvent, under conditions of protection gas shielded, by ruthenium metal alkene Hydrocarbon metathesis catalyst is added portionwise in reactor, and olefin metathesis reaction occurs at a temperature of 30-80 DEG C;
After the completion of step B, question response, remove solvent or product is obtained by vacuum distillation.
Above-mentioned solvent can be n-hexane, normal heptane, petroleum ether, toluene, chlorobenzene, tetrahydrofuran and dichloromethane etc., excellent The solvent aromatic solvent or halogenated hydrocarbons of change, most preferably toluene and dichloromethane;
Specific method is:Metathesis catalyst is added portionwise in reactor under conditions of the protection bubble such as drum nitrogen, And promote cultural care to reactor heated for controlling temperature.Whether completed with TLC monitoring reactions, reaction will be molten after being fully completed Agent vacuum distillation is removed.Product obtained by reaction can also be purified under conditions of high vacuum vacuum distillation.
Further, above-mentioned a kind of application process of ruthenium metal olefin metathesis catalyst that the present invention is provided, also has So the characteristics of:I.e., the mass ratio of above-mentioned diolefin compound and ruthenium metal olefin metathesis catalyst is 1000:0.1- 0.3.The concentration of above-mentioned catalyst solution is 0.1-1g/L.
Further, above-mentioned a kind of application process of ruthenium metal olefin metathesis catalyst that the present invention is provided, also has So the characteristics of:I.e., above-mentioned diolefin compound is the compound shown in following structure:
Further, above-mentioned a kind of application process of ruthenium metal olefin metathesis catalyst that the present invention is provided, is applied to It is catalyzed dicyclopentadiene and carries out ring opening metathesis polymerization, specific application process is as follows:Dicyclopentadiene is added into polymerization to hold In device, then catalyst is dissolved and is added dropwise in dicyclopentadiene in a solvent, catalyst solution is stirred equal when being added dropwise It is even.Then stop stirring and heating the dicyclopentadiene polymerization of initiation catalyst.
Above-mentioned solvent can be normal heptane, toluene, chlorobenzene, acetone, isopropanol, dioxane, tetrahydrofuran and dichloromethane Alkane, dichloroethanes etc., most preferably the solvent aromatic solvent or halogenated hydrocarbons of optimization, toluene and dichloromethane;
Further, above-mentioned a kind of application process of ruthenium metal olefin metathesis catalyst that the present invention is provided, also has So the characteristics of:I.e., the mass ratio of dicyclopentadiene and ruthenium the metal olefin metathesis catalyst is 1000:0.1- 0.55, the heating-up temperature for triggering the polymerization of catalyst dicyclopentadiene is 50-70 DEG C, and the polymerization initiation time is 5-10 minutes.
The effect of the present invention and effect:
The present invention, as raw material, is designed from substituted salicylic aldehydes simple and easy to get and is prepared for a series of different substituents Alkene part ruthenium catalyst, the activity of catalyst is determined by different substituents, is that it is closed in catalysis alkadienes substrate The application of ring metathesis reaction provides multiple choices.
In addition, the present invention by a series of metal ruthenium catalysts be used for be catalyzed alkadienes substrate carry out cultural care with And catalysis dicyclopentadiene is carried out in ring opening metathesis polymerization, activity is high, catalyst amount is few, to various functional group tolerances The simple clean, post processing of good, reaction is simple, the big rule available for various big ring class drug molecules and super performance macromolecular material Mould is produced.
Embodiment
Embodiment 1
Ruthenium metal olefin metathesis catalyst 1# preparation method
Include following five steps:
A. from the salicylide of substitutionBy being reacted with bromoacetonitrile by hydroxyl exposed in salicylide molecule Protect and obtain intermediate compound I, its structural formula is:
Intermediate compound I
3- cresotinic acid aldehyde 200g and 1L DMFs, stirring and dissolving are added into 2L reaction bulb.Again to 200g bromoacetonitriles and 100g potassium carbonate are slowly added in the reaction bulb, stirring reaction is continued after being heated to 60 DEG C.Monitored by TLC To raw material reaction it is complete after, reaction solution is poured into 4L ethyl acetate, then blunge washing three times, add water 4L every time.Add nothing Aqueous sodium persulfate is dried, and filters and depressurizes and divides exactly after solvent, obtains product crude product 240g, yield 75%.
B. intermediate compound I made from step A is obtained into alkene intermediates II with Wittig reagent reactings again, its structural formula For:
Intermediate II
By the salicylide intermediate compound I of protection250g and triphenylphosphine bromomethane 400g are added to 10L together In reaction bulb, solvents tetrahydrofurane 5L is added.Cooling down to being slowly added portionwise potassium tert-butoxide 100g after 0 DEG C again.Reaction Removal of solvent under reduced pressure after end, adds 5L water dissolves.After being extracted with 10L dichloromethane, anhydrous sodium sulfate drying, filtering are steamed Alkene part crude product is obtained after dry solvent, then intermediate II is obtained after vacuum distillation is purified
Yellow oily liquid 210g, yield 88%.
C. the cyano group in intermediate II made from step B is carried out into reduction with reducing agent again turns into amino, so that in obtaining Mesosome III, its structure is
Intermediate III
By intermediate II500 grams add in the tetrahydrofuran that 5L are dried, then under nitrogen protection 0 DEG C When be slowly added to 100 grams of tetrahydrochysene lithium aluminium powder in batches into system.Add rear temperature and be warmed to room temperature rear stirring reaction after 5 hours TLC detection raw material reactions are finished.Reaction is filtered to remove solid after 0 DEG C adds water and is quenched with ethyl acetate.Vacuum distillation removes four Product is extracted with ethyl acetate out after hydrogen furans.Divide after liquid solvent evaporated, product obtains pure by silica gel column chromatography separating-purifying 410 grams of product, yield 90%.
D. the amino in intermediate III made from step C is protected with acetyl group again and obtains required alkene and match somebody with somebody Body, its structural formula is
By intermediate III200 grams are dissolved in 1 liter of dichloromethane, and 90 grams of triethylamine and second are added at 0 DEG C 80 grams of acyl chlorides, stirring reaction washs organic layer with saturated aqueous ammonium chloride 3 times after 2 hours.Liquid drying is divided to obtain institute after being spin-dried for 230 grams of the alkene part needed, yield 90%.
Step E specific preparation process is as follows:
By catalyst precarsor 620g and alkene part340g is added into 10L reactors, adds solvent Dichloromethane 5L, adds stannous chloride 150g, and 30 DEG C of heating responses to raw material disappears under nitrogen protective condition, is cooled to room Temperature, filters out impurity.Filtrate decompression is boiled off after toluene, is added dichloromethane 100mL and methanol 5L and is separated out product catalyst solid, Final catalyst is obtained after filtering drying330g, yield 65%.
1H NMR(300.18MHz,22℃,CDCl3,Me4Si):δ=11.17 (s, 1H), 8.04 (s, 1H), 7.70 (s, 1H),7.44(s,1H),6.76(s,4H),5.34(m,1H),3.83(s,1H),3.51(m,2H),3.33(m,2H),3.22(s, 4H), (d, J=7.8Hz, the 6H) ppm. of 2.34 (s, 3H), 2.66 (s, 3H), 2.22 (s, 12H), 1.35
Ruthenium metal olefin metathesis catalyst 1# application
The specific implementation step that ruthenium catalyst catalysis diene carries out cultural care is as follows:To 500mL reactors Middle addition diene substrate 10g.The dichloromethane solution of catalyst is prepared, 100mg catalyst solids are dissolved in 10mL dichloromethane, A certain amount of addition reaction solution is taken after stirring.Reactor is heated to 40 DEG C, nitrogen bubble is blasted into reactor solution and is put Go out, TLC detections are evaporated off solvent and pure product is obtained with high vacuum vacuum distillation after completion of the reaction.
It is the situation of the various alkadienes substrate cultural cares of the catalyst in following table:
Embodiment 2
Ruthenium metal olefin metathesis catalyst 2# preparation method
Include following five steps:
A. from the salicylide of substitutionBy being reacted with bromoacetonitrile by hydroxyl exposed in salicylide molecule Base, which is protected, obtains intermediate compound I, and its structural formula is:
Intermediate compound I
Substituted salicylide 200g and 1L DMSO, stirring and dissolving are added into 2L reaction bulb.Delay again into the reaction bulb It is slow to add 250g bromoacetonitriles and 100g potassium carbonate, continue stirring reaction after being heated to 80 DEG C.Monitored by TLC complete to raw material reaction Afterwards, reaction solution is poured into 4L ethyl acetate, then washing three times of blunging, add water 4L every time.Anhydrous sodium sulfate is added to carry out Dry, filter and depressurize and divide exactly after solvent, obtain product crude product 265g.
B. intermediate compound I made from step A is obtained into alkene intermediates II with Wittig reagent reactings again, its structural formula For:
Intermediate II
By the salicylide intermediate compound I of protection265g and triphenylphosphine bromomethane 450g are added to together In 10L reaction bulbs, solvent dioxane 5L is added.Cooling down to being slowly added portionwise potassium tert-butoxide 120g after 0 DEG C again.Instead Removal of solvent under reduced pressure after should terminating, adds 5L water dissolves.After being extracted with 10L chloroforms, anhydrous sodium sulfate drying, filtering are evaporated Alkene part crude product is obtained after solvent, then intermediate II is obtained after vacuum distillation is purified
Oily liquids 230g.
C. the cyano group in intermediate II made from step B is carried out into reduction with reducing agent again turns into amino, so that in obtaining Mesosome III, its structure is
Intermediate III
By intermediate II500 grams add in the tetrahydrofuran that 4L are dried, and then under nitrogen protection 0 DEG C when be slowly added to 100 grams of sodium borohydride (being dissolved in 1L tetrahydrofurans) in batches into system.Add after rear temperature is warmed to room temperature and stir TLC detections raw material reaction after reacting 5 hours is mixed to finish.Reaction is filtered to remove solid after 0 DEG C adds water and is quenched with ethyl acetate. Product is extracted with ethyl acetate out after removing tetrahydrofuran in vacuum distillation.Divide after liquid solvent evaporated, product passes through silica gel column chromatography Separating-purifying obtains 460 grams of pure product.
D. the amino in intermediate III made from step C is protected with acetyl group again and obtains required alkene and match somebody with somebody Body, its structural formula is
By intermediate III200 grams are dissolved in 1 liter of dichloromethane, and diisopropyl ethyl is added at 0 DEG C 100 grams of 120 grams of amine and chloroacetic chloride, stirring reaction wash organic layer with saturated aqueous ammonium chloride 3 times after 3 hours.Liquid is divided to dry 245 grams required of alkene part is obtained after being spin-dried for.
Step E specific preparation process is as follows:
By catalyst precarsor 680g and alkene part340g is added into 10L reactors, is added Methylene chloride 5L, adds stannous chloride 150g, and 60 DEG C of heating responses to raw material disappears under nitrogen protective condition, is cooled to Room temperature, filters out impurity.Filtrate decompression is boiled off after toluene, is added dichloromethane 100mL and methanol 5L precipitation product catalysts and is consolidated Final catalyst is obtained after body, filtering drying361g。
1H NMR(300.18MHz,22℃,CDCl3,Me4Si):δ=11.37 (s, 1H), 8.10 (s, 1H), 7.70 (s, 2H),6.84(s,2H),6.76(s,4H),5.42(s,2H),4.10(t,2H),3.51(t,2H),2.87(m,4H),2.15(s, 3H),1.84(s,3H),1.20(d,24H)ppm.
Ruthenium metal olefin metathesis catalyst 2# application
The specific implementation step that ruthenium catalyst catalysis diene carries out cultural care is as follows:To 500mL reactors Middle addition diene substrate 10g.The dichloromethane solution of catalyst is prepared, 100mg catalyst solids are dissolved in 10mL dichloromethane, A certain amount of addition reaction solution is taken after stirring.Reactor is heated to 60 DEG C, nitrogen bubble is blasted into reactor solution and is put Go out, TLC detections are evaporated off solvent and pure product is obtained with high vacuum vacuum distillation after completion of the reaction.
It is the situation of the various alkadienes substrate cultural cares of the catalyst in following table:
Embodiment 3,
Ruthenium metal olefin metathesis catalyst 3# preparation method
3- methyl -4- methoxyl groups-salicylide 200g and 1L DMF, stirring and dissolving is added into 2L reaction bulb.Again to this 200g 2- methyl bromoacetonitriles and 100g sodium carbonate are slowly added in reaction bulb, stirring reaction is continued after being heated to 40 DEG C.Pass through TLC monitor to raw material reaction it is complete after, reaction solution is poured into 4L methyl acetates, then blunge washing three times, add water 4L every time. Add anhydrous sodium sulfate to be dried, filter and depressurize and divide exactly after solvent, obtain intermediate compound I product crude product 260g.
By the salicylide intermediate compound I of protection, 260g and triphenylphosphine bromomethane 500g are added in 10L reaction bulbs together, Add solvent toluene 5L.Cooling down to being slowly added portionwise sodium tert-butoxide 150g after 0 DEG C again.Reaction is removed under reduced pressure after terminating Solvent, adds 5L water dissolves.After being extracted with 10L chloroforms, anhydrous sodium sulfate drying, filtering obtain alkene part after solvent evaporated Crude product, then obtain intermediate II after vacuum distillation is purified240g。
By intermediate II500 grams add in the tetrahydrofuran that 5L is dried, then under nitrogen protection It is slowly added to 100 grams of tetrahydrochysene lithium aluminium powder at 0 DEG C in batches into system.Add rear temperature and be warmed to room temperature rear stirring reaction 6 hours TLC detects that raw material reaction is finished afterwards.Reaction is filtered to remove solid after 0 DEG C adds water and is quenched with ethyl acetate.Vacuum distillation is removed Product is extracted with ethyl acetate out after tetrahydrofuran.Divide after liquid solvent evaporated, product is obtained by silica gel column chromatography separating-purifying Pure product435 grams.
By intermediate III200 grams are dissolved in 1 liter of dichloromethane, and 90 grams of triethylamine is added at 0 DEG C With 80 grams of chloroacetic chloride, stirring reaction washs organic layer with saturated aqueous ammonium chloride 3 times after 4 hours.Liquid drying is divided to be obtained after being spin-dried for To 245 grams required of alkene part.
By catalyst precarsor 700g and alkene part350g is added into 10L reactors, adds solvent Chloroform 5L, adds stannous chloride 150g, and 50 DEG C of heating responses to raw material disappears under nitrogen protective condition, is cooled to room temperature, mistake Filter out impurity.Filtrate decompression is boiled off after toluene, is added chloroform 100mL and ethanol 1L and is separated out product catalyst solid, filtering drying Final catalyst is obtained afterwards369g。
1H NMR(300.18MHz,22℃,CDCl3,Me4Si):δ=12.07 (s, 1H), 8.03 (s, 1H), 6.90 (s, 1H),6.71(s,4H),6.66(s,1H),6.76(s,4H),4.49(m,1H),3.83(s,3H),3.61(m,2H),3.24(s, 4H),2.34(s,6H),2.15(s,3H),2.12(s,3H),1.84(s,3H),1.40(d,24H)ppm. Ruthenium metal olefin is answered Decomposition catalyst 3# application
The specific implementation step that ruthenium catalyst catalysis diene carries out cultural care is as follows:To 1000mL reactors Middle addition diene substrate 10g.The toluene solution of catalyst is prepared, 300mg catalyst solids are dissolved in 60mL toluene, stirred After take a certain amount of addition reaction solution.Reactor is heated to 80 DEG C, nitrogen bubble is blasted into reactor solution and is released, TLC inspections Survey is evaporated off solvent and pure product is obtained with high vacuum vacuum distillation after completion of the reaction.
It is the situation of the various alkadienes substrate cultural cares of the catalyst in following table:
Embodiment 4,
Ruthenium metal olefin metathesis catalyst 4# preparation
Added into 2L reaction bulb to phenyl salicylic aldehyde 200g and 1L DMF, stirring and dissolving.Again to Be slowly added to 300g bromoacetonitriles and 150g potassium carbonate in the reaction bulb, room temperature reaction to TLC monitor to raw material reaction it is complete after, will be anti- Liquid is answered to pour into 4L ethyl acetate/chloroform (80/20), then washing three times of blunging, add water 4L every time.Add anhydrous sodium sulfate It is dried, filters and depressurize and divide exactly after solvent, obtain productCrude product 265g.
By the salicylide intermediate compound I of protection250g and triphenylphosphine bromomethane 300g are added to together In 10L reaction bulbs, solvents tetrahydrofurane 5L is added.Cooling down to being slowly added portionwise potassium tert-butoxide 130g after 0 DEG C again.Instead Removal of solvent under reduced pressure after should terminating, adds 5L water dissolves.After being extracted with 10L dichloromethane, anhydrous sodium sulfate drying, filtering, Alkene part crude product is obtained after solvent evaporated, then intermediate II is obtained after vacuum distillation is purifiedOily liquid Body 225g.
By intermediate II500 grams add in the tetrahydrofuran that 5L are dried, and then under nitrogen protection 0 DEG C when be slowly added to 120 grams of tetrahydrochysene lithium aluminium powder in batches into system.Add rear temperature and be warmed to room temperature rear stirring reaction after 5 hours TLC detection raw material reactions are finished.Reaction is filtered to remove solid after 0 DEG C adds water and is quenched with ethyl acetate.Vacuum distillation removes four Product is extracted with ethyl acetate out after hydrogen furans.Divide after liquid solvent evaporated, product obtains pure by silica gel column chromatography separating-purifying 435 grams of product.
By intermediate III200 grams are dissolved in 1 liter of dichloromethane, and 130 grams of triethylamine is added at 0 DEG C With 250 grams of acetic anhydride, stirring reaction washs organic layer with saturated aqueous ammonium chloride 3 times after 5 hours.Point liquid is dried be spin-dried for after Obtain 230 grams required of alkene part.
By catalyst precarsor 600g and alkene part400g is added into 10L reactors, is added Methylene chloride 5L, adds stannous chloride 180g, and 30 DEG C of heating responses to raw material disappears under nitrogen protective condition, is cooled to Room temperature, filters out impurity.Filtrate decompression is boiled off after toluene, is added dichloromethane 100mL and methanol 5L precipitation product catalysts and is consolidated Final catalyst is obtained after body, filtering drying360g。
1H NMR(300.18MHz,22℃,CDCl3,Me4Si):δ=12.01 (s, 1H), 8.13 (s, 1H), 7.80 (s, 1H),7.68(d,1H),7.51(m,4H),7.41(d,1H),7.05(d,1H),6.66(s,4H),5.43(s,2H),4.10(t, 2H),3.53(t,2H),2.34(s,6H),2.12(s,12H),1.84(s,3H)ppm.
Ruthenium metal olefin metathesis catalyst 4# application
The specific implementation step that ruthenium catalyst catalysis diene carries out cultural care is as follows:To 500mL reactors Middle addition diene substrate 10g.The dichloromethane solution of catalyst is prepared, 150mg catalyst solids are dissolved in 10mL dichloromethane, A certain amount of addition reaction solution is taken after stirring.Reactor is heated to 40 DEG C, nitrogen bubble is blasted into reactor solution and is put Go out, TLC detections are evaporated off solvent and pure product is obtained with high vacuum vacuum distillation after completion of the reaction.
Embodiment 5,
Ruthenium metal olefin metathesis catalyst 5# preparation
Added into 2L reaction bulb to 2- thiosalicylic aldehyde 100g and 1L DMFs, stirring and dissolving.Again Be slowly added to 120g bromoacetonitriles and 80g potassium carbonate into the reaction bulb, room temperature reaction to TLC monitor to raw material reaction it is complete after, will Reaction solution is poured into 4L ethyl acetate, then with saturated common salt water washing three times, every time plus saturated aqueous common salt 4L.Add anhydrous slufuric acid Sodium is dried, and filters and depressurizes and divide exactly after solvent, obtains productCrude product 155g.
By the salicylide intermediate compound I of protection155g and triphenylphosphine bromomethane 180g are added to together In 5L reaction bulbs, solvents tetrahydrofurane 2L is added.Cooling down to being slowly added portionwise potassium tert-butoxide 130g after 0 DEG C again.Instead Removal of solvent under reduced pressure after should terminating, adds 1L water dissolves.After being extracted with 10L dichloromethane, anhydrous sodium sulfate drying, filtering, Alkene part crude product is obtained after solvent evaporated, then intermediate II is obtained after vacuum distillation is purifiedOily liquid Body 120g.
By intermediate II100 grams add in the tetrahydrofuran that 1L are dried, and then under nitrogen protection 0 DEG C when be slowly added to 50 grams of tetrahydrochysene lithium aluminium powder in batches into system.Add rear temperature and be warmed to room temperature rear stirring reaction after 5 hours TLC detection raw material reactions are finished.Reaction is filtered to remove solid after 0 DEG C adds water and is quenched with ethyl acetate.Vacuum distillation removes four Product is extracted with ethyl acetate out after hydrogen furans.Divide after liquid solvent evaporated, product obtains pure by silica gel column chromatography separating-purifying 105 grams of product.
By intermediate III100 grams are dissolved in 1 liter of dichloromethane, and 60 grams of triethylamine is added at 0 DEG C With 90 grams of acetic anhydride, stirring reaction washs organic layer with saturated aqueous ammonium chloride 3 times after 5 hours.Liquid drying is divided to be obtained after being spin-dried for To 20 grams required of alkene ligand 1.
By catalyst precarsor 300g and alkene part100g is added into 10L reactors, is added Methylene chloride 5L, adds stannous chloride 60g, and 30 DEG C of heating responses to raw material disappears under nitrogen protective condition, is cooled to Room temperature, filters out impurity.Filtrate decompression is boiled off after toluene, is added dichloromethane 100mL and methanol 1.5L and is separated out product catalyst Final catalyst is obtained after solid, filtering drying160g。
1H NMR(300.18MHz,22℃,CDCl3,Me4Si):δ=11.01 (s, 1H), 8.03 (s, 1H), 6.69 (m, 4H),3.54(t,2H),3.41(t,2H),3.29(s,4H),2.37(s,6H),2.10(s,12H),1.80(s,3H)ppm.
Ruthenium metal olefin metathesis catalyst 5# application
The specific implementation step that ruthenium catalyst catalysis diene carries out cultural care is as follows:To 500mL reactors Middle addition diene substrate 10g.Preparing catalyst, (mass ratio of diolefin compound and catalyst is 1000:0.1-0.3 model Enclose interior selection) dichloromethane solution, 120mg catalyst solids are dissolved in 10mL dichloromethane, are taken after stirring a certain amount of Add reaction solution.Reactor is heated to 40 DEG C, nitrogen bubble is blasted into reactor solution and is released, TLC detection reactions are finished Solvent is evaporated off afterwards and pure product is obtained with high vacuum vacuum distillation.
The response data of different catalysts consumption and different diene substrates is as follows:
Application in catalyst 1-5# catalysis dicyclopentadiene polymerisations
10g dicyclopentadienes are added in aggregation container, then by the catalyst (mass ratio of dicyclopentadiene and catalyst Example is 1000:In the range of 1-5 select) dissolve and be added dropwise in dicyclopentadiene in 10ml dichloromethane, while be added dropwise while incite somebody to action Catalyst solution stirs, and then stops stirring and heating the dicyclopentadiene polymerization of initiation catalyst.
The data of catalysis dicyclopentadiene polymerisation are shown in below table:

Claims (10)

1. a kind of ruthenium metal olefin metathesis catalyst, it is characterised in that:Concrete structure formula is as follows:
Wherein, R1For hydrogen, alkyl, aryl;
R2For hydrogen, alkyl, aryl;
R3For hydrogen, alkyl, aryl;
R4For hydrogen, alkyl, aryl;
R5For hydrogen, alkyl, aryl;
R1' it is hydrogen, alkyl, aryl;
R2' it is hydrogen, alkyl, aryl;
R3' it is hydrogen, alkyl, aryl;
R4' it is hydrogen, alkyl, aryl;
R5' it is hydrogen, alkyl, aryl;
R7For hydrogen, alkyl, aryl;
L is halogen;
Y is oxygen or sulphur;
Z1For any on phenyl ring or times several substituted halogens, nitro, amino, aryl, alkyl, alkoxy;
Z2For hydrogen, alkyl, aryl.
2. a kind of preparation method of ruthenium metal olefin metathesis catalyst as claimed in claim 1, it is characterised in that by walking as follows It is rapid to realize:
Step 1: by nitrile compounds by hydroxyl exposed in substituted salicylide or 2- thiosalicylic aldehyde or sulfhydryl protected Come;
Step 2: by the carbonyl alkenyl in substituted salicylide;
Step 3: the cyano group introduced in step one is obtained into amide compound by reduction and acylation reaction;
Step 4: the product of step 3 and catalyst precarsor reaction are obtained into target product.
3. a kind of preparation method of ruthenium metal olefin metathesis catalyst as claimed in claim 2, it is characterised in that:Concrete technology Step is as follows:
Step 1-1, substituted salicylide, solvent, highly basic and nitrile compounds are added into reactor, be stirred at room temperature it is uniform after, At a temperature of 20-80 DEG C, react 0.5-20 hours;
Intermediate compound I is obtained after step 1-2, extractive reaction liquid, the solvent for removing organic phase;
Step 2-1, intermediate compound I is dissolved in after solvent, adds triphenylphosphine bromomethane, after cooling, be added portionwise into reaction solution Highly basic, at a temperature of -10-120 DEG C, reacts 0.5-20 hours, completes Wittig reactions;
Step 2-2, treat intermediate compound I after completion of the reaction, remove solvent, add after water, extractive reaction liquid, the solvent for removing organic phase Obtain intermediate II;
Step 3-1, intermediate II is dissolved in after solvent, in being added under less than 0 DEG C of cryogenic conditions after reducing agent, in -10-120 At a temperature of DEG C, react 0.5-20 hours, be amino by cyano reduction;
After the completion of step 3-2, reaction, reaction is quenched with acid, column chromatography obtains intermediate III;
Step 3-3, intermediate III is dissolved in after solvent, adds acetylation reagent, highly basic, reacted at a temperature of 0-10 DEG C 0.5-20 hours, occurs amidation process;
Step 3-4, after completion of the reaction, reaction is quenched with acid, dries and removes after solvent, obtains alkene part;
Step 4-1, catalyst precarsor and alkene part be dissolved in after solvent, add catalyst, at a temperature of 30-50 DEG C, reaction 2-4 hours;
Step 4-2, elimination solid, remove after solvent, are recrystallized to give final catalyst.
4. a kind of preparation method of ruthenium metal olefin metathesis catalyst as claimed in claim 3, it is characterised in that:
The highly basic be selected from sodium carbonate, potassium carbonate, cesium carbonate, triethylamine, diisopropyl ethyl amine, potassium tert-butoxide, sodium tert-butoxide, Sodium hydride, hydrofining;
It is molten that the solvent is selected from nitrile solvents, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, dimethyl sulfoxide (DMSO), ethers Agent, alkane solvents, toluene, chlorobenzene, alkyl halide;
The acid is inorganic acid;
The reagent of the extraction is selected from esters, ethers, halogenated hydrocarbons, toluene;
The mol ratio of the substituted salicylic aldehydes, highly basic and nitrile compounds is 1:1.0-2.5:1.0-2.5;
The mol ratio of the intermediate compound I, highly basic and triphenylphosphine bromomethane is 1:1.0-2.5:1.0-2.5;
The intermediate II, the mol ratio of reducing agent are 1:2-3;
The intermediate III, acetylation reagent, the mol ratio of highly basic are 1:1.0-2.5:1.0-2.5;
The catalyst precarsor, the mol ratio of alkene part are 1:1-2.5.
5. a kind of ruthenium metal olefin metathesis catalyst as described in claim 1-4 is any, it is characterised in that:
The ruthenium metal olefin metathesis catalyst is the compound shown in one of following structure:
Wherein, the X1Selected from F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt;
The X2Selected from F, Cl, Br, I, NO2,Ph,Me,Et,OMe,OEt。
6. a kind of ruthenium metal olefin metathesis catalyst is in alkene cultural care as described in claim 1-5 is any Using, it is characterised in that:
The substrate of the alkene cultural care is diolefin compound;
Specific application process is as follows:
Step A, diolefin compound is dissolved in solvent, under conditions of protection gas shielded, ruthenium metal olefin metathesis is urged Agent is added portionwise in reactor, and olefin metathesis reaction occurs at a temperature of 30-80 DEG C;
After the completion of step B, question response, remove solvent or product is obtained by vacuum distillation.
7. application as claimed in claim 6, it is characterised in that:
The diolefin compound is 1000 with the mass ratio of ruthenium metal olefin metathesis catalyst:1-5.
8. application as claimed in claim 6, it is characterised in that:
The diolefin compound is the compound shown in following structure:
9. a kind of ruthenium metal olefin metathesis catalyst is in catalysis dicyclopentadiene polymerisation as described in claim 1-5 is any In application, it is characterised in that:
Specific application process is as follows:Dicyclopentadiene is added in aggregation container, then dissolved catalyst simultaneously in a solvent It is added dropwise in dicyclopentadiene, catalyst solution stirs when being added dropwise, then stops stirring and heating initiation catalyst It is catalyzed dicyclopentadiene polymerization.
10. application as claimed in claim 9, it is characterised in that:
The dicyclopentadiene is 1000 with the mass ratio of ruthenium metal olefin metathesis catalyst:0.1-0.5;
The heating-up temperature for triggering catalyst dicyclopentadiene to polymerize is 50-70 DEG C, and the polymerization initiation time is 5-10 points Clock.
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CN109225334A (en) * 2018-07-20 2019-01-18 吉林化工学院 A kind of ruthenium olefin metathesis catalyst and its preparation method and application with ortho position steric hindrance structure
CN111732681A (en) * 2020-07-02 2020-10-02 张玉清 Bi-component latent metal carbene catalytic system, dicyclopentadiene polymeric bi-material system and polydicyclopentadiene composite material
CN113000066A (en) * 2021-01-09 2021-06-22 河南大学 Z-selective ruthenium carbene olefin metathesis catalyst, and preparation method and application thereof

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CN107641165A (en) * 2017-08-08 2018-01-30 上海克琴科技有限公司 Metal ruthenium catalyst DREAM 2nd and its application in alkene cyclization double decomposition and dicyclopentadiene polymerisation
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CN113000066A (en) * 2021-01-09 2021-06-22 河南大学 Z-selective ruthenium carbene olefin metathesis catalyst, and preparation method and application thereof

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Denomination of invention: Preparation and application of a ruthenium metal olefin metathesis catalyst

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