CN106892884A - The method that a kind of oxidation product catalysis biomass sugar of 5 HMF prepares 5 HMF - Google Patents
The method that a kind of oxidation product catalysis biomass sugar of 5 HMF prepares 5 HMF Download PDFInfo
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- CN106892884A CN106892884A CN201710136715.3A CN201710136715A CN106892884A CN 106892884 A CN106892884 A CN 106892884A CN 201710136715 A CN201710136715 A CN 201710136715A CN 106892884 A CN106892884 A CN 106892884A
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
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Abstract
The invention discloses the method that a kind of oxidation product catalysis biomass sugar of 5 HMF prepares 5 HMF.With biomass sugar as raw material, the oxidation product with 5 HMF is catalyst to the method, and with ionic liquid as solvent, 1 ~ 6h of stirring reaction under 80 ~ 160 DEG C of oil bath temperatures prepares 5 HMF；The biomass sugar is at least one in fructose, glucose, sucrose or cellobiose；The oxidation product of 5 HMF is at least one in the carboxyl furans of 5 hydroxyl 2, the carboxyl furans of 5 carbonyl 2 or 2,5 furandicarboxylic acids.The method reaction condition is gently environmentally safe, and accessory substance is few, and target product yield is high.
Description
Technical field
The present invention relates to the preparation method of 5-HMF, and in particular to a kind of oxidation product using 5-HMF as catalyst from
The method that catalysis biomass sugar prepares 5-HMF in sub- liquid flux.
Background technology
Nowadays fossil resource is increasingly consumed, and environmental pollution is serious all the more, find it is a kind of can substitute fossil resource can be again
Production-goods source has become focus of attention.5-HMF (5 hydroxymethyl furfural) is dehydrated by biomass and generated, and a hydroxyl is contained in molecule
Methyl, an aldehyde radical and a furan nucleus, its chemical property are more active, can be prepared by reactions such as condensation, hydrogenation and oxidations
Various derivatives.5-HMF is considered as a kind of multiduty chemical intermediate, can be used to synthetic plastic, pharmacy, fine chemistry industry
And liquid fuel.
Current hexose dehydration prepares 5-HMF and studies relatively broad, and 5-HMF is prepared for hexose dehydration, and custom catalystses have
Inorganic acid, solid acid, metal chloride, oxide and composite catalyst.Reaction system mainly has one-phase organic solvent, such as：Two
Methyl sulfoxide, DMF, two-phase reaction system (water/organic phase), supercritical reaction system, ionic liquid reaction
System.Ionic liquid has the advantages that heat endurance is good, dissolubility is strong, steam is forced down, environmental pollution is small.Due to hexose dehydration
Prepare 5-HMF reaction in side reaction it is more, 5-HMF easily to next step convert, 5-HMF selectivity it is not high, catalyst with reaction
The problems such as system hardly possible is separated hexose dehydration production 5-HMF is still in the laboratory research stage.
The content of the invention
In view of the shortcomings of the prior art, the technical problem that the present invention is intended to solve is to provide a kind of oxidation product of 5-HMF and urges
Change the method that biomass sugar prepares 5-HMF.The method with biomass sugar as raw material, the oxidation product with 5-HMF as catalyst, with
Ionic liquid prepares 5-HMF for solvent 1~6h of stirring reaction under 80~160 DEG C of oil bath temperatures.The method reaction condition
Gentle environmentally safe, accessory substance is few, and target product yield is high.
The technical scheme of the present invention solution technical problem is to provide a kind of oxidation product catalysis biomass of 5-HMF
The method that sugar prepares 5-HMF, it is characterised in that specific method is：With biomass sugar as raw material, oxidation product with 5-HMF is to urge
Agent, closed 1~6h of stirring reaction under 80~160 DEG C of oil bath temperatures with ionic liquid as solvent, obtains 5-HMF；The 5-
The quality of the oxidation product of HMF is the 0.5%-10% of biomass sugar quality, and ionic liquid quality accounts for reactant mixture gross mass
40%-100%；Reactant mixture gross mass refers to the quality summation of biomass sugar, ionic liquid and catalyst three；
The biomass sugar is at least one in fructose, glucose, sucrose or cellobiose；The oxidation of the 5-HMF
Product is at least one in 5- hydroxyl -2- carboxyls furans, 5- carbonyls -2- carboxyls furans or 2,5- furandicarboxylic acids；It is described from
During sub- liquid is 1-ethyl-3-methyllimidazolium bromide, chlorination 1- butyl -3- methylimidazoles or 1-butyl-3-methylimidazolium bromide
At least one.
Compared with prior art, beneficial effect of the present invention is：
(1) present invention in ionic liquid with oxidation product 5- hydroxyl -2- carboxyls furans, the 5- carbonyl -2- carboxyls of 5-HMF
Furans, 2,5- furandicarboxylic acids are that catalyst biomass sugar prepares 5-HMF.Lyate ion liquid and acidity 5- hydroxyls -2-
Carboxyl furans, 5- carbonyl -2- carboxyls furans, FDCA synergy, improve catalyst catalytic performance, so as to carry
The yield of 5-HMF high.
(2) the suitable catalysis activity suppression of 5- hydroxyls -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, 2,5- furandicarboxylic acids
5-HMF is made to decompose or condensation side reaction, 5-HMF stable existences in reaction system can have been made, reduced the generation of accessory substance, carried
The selectivity of target product 5-HMF high.
(3) 5- hydroxyls -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, 2,5- furandicarboxylic acids as 5-HMF downstream
Product, while consumption is less so without separating after reaction terminates, saving the energy.
(4) when glucose is reaction raw materials, metal chloride is used as co-catalyst, while improve the conversion ratio of glucose
With the selectivity of 5-HMF.
Specific embodiment
Specific embodiment of the invention is given below.Specific embodiment is only used for further describing the present invention, does not limit
The application scope of the claims processed.
The invention provides the method that a kind of oxidation product catalysis biomass sugar of 5-HMF prepares 5-HMF, it is characterised in that
Specific method is：With biomass sugar as raw material, the oxidation product with 5-HMF as catalyst, with ionic liquid as solvent 80~
Closed 1~6h of stirring reaction, obtains 5-HMF under 160 DEG C of oil bath temperatures；The quality of the oxidation product of the 5-HMF is biomass
The 0.5%-10% of saccharic amount, ionic liquid quality accounts for the 40%-100% of reactant mixture gross mass；The total matter of reactant mixture
Amount refers to the quality summation of biomass sugar, ionic liquid and catalyst three.
The biomass sugar is at least one in fructose, glucose, sucrose or cellobiose, preferably fructose；The 5-
The oxidation product of HMF is at least in 5- hydroxyl -2- carboxyls furans, 5- carbonyls -2- carboxyls furans or 2,5- furandicarboxylic acids
Kind；The ionic liquid is 1-ethyl-3-methyllimidazolium bromide ([EMIM] [Br]), chlorination 1- butyl -3- methylimidazoles
At least one in ([BMIM] [Cl]) or 1-butyl-3-methylimidazolium bromide ([BMIM] [Br])；
When biomass sugar is glucose, in reaction system metal chloride can also be added as co-catalyst, entered
One step improves reaction efficiency, the yield of the conversion ratio of glucose and 5-HMF is obtained for different degrees of raising；The metal
Chloride is LiCl, NaCl, KCl, FeCl3、AlCl3、CuCl2Or ZnCl2In at least one；The matter of the metal chloride
Amount is the 0.1%-10% of the quality of biomass sugar；
Embodiment 1-18
With fructose as raw material, respectively with 5- hydroxyl -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, FDCA
It is catalyst, the quality of catalyst is the 5.6% of fructose quality；Solvent [EMIM] [Br] is added to be stirred under 100 DEG C of oil bath temperatures
Mix reaction 1h, 2h, 3h, 4h, 5h and 6h respectively.Ionic liquid is the 86% of reactant mixture gross mass.Product is diluted
After constant volume, room temperature is cooled to, quantitative analysis is carried out to 5-HMF with HPLC after filtering, the yield of 5-HMF is as shown in table 1.
Table 1
Embodiment 19-30
With fructose as raw material, respectively with 5- hydroxyl -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, FDCA
It is catalyst, the quality of catalyst is the 5.6% of fructose quality；Add solvent [EMIM] [Br] 80 DEG C, 90 DEG C, 110 DEG C,
Stirring reaction 4h under 120 DEG C of oil bath temperatures, ionic liquid is the 86% of reactant mixture gross mass.Product is diluted into constant volume
Afterwards, room temperature is cooled to, quantitative analysis is carried out to 5-HMF with HPLC after filtering, the yield of 5-HMF is as shown in table 2.
Table 2
Embodiment 31-36
With fructose as raw material, respectively with 5- hydroxyl -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, FDCA
It is catalyst, the quality of catalyst is the 5.6% of fructose quality；It is separately added into solvent [BMIM] [Cl] and [BMIM] [Br] exists
Stirring reaction 4h under 100 DEG C of oil bath temperatures, ionic liquid is the 86% of reactant mixture gross mass.Product is diluted into constant volume
Afterwards, room temperature is cooled to, with HPLC carries out quantitative analysis to 5-HMF after filtering to investigate influence of the different ionic liquid to reacting,
The yield of 5-HMF is as shown in table 3.
Table 3
Embodiment 37-39
(1) with glucose as raw material, respectively with 5- hydroxyl -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, 2,5- furans
Dioctyl phthalate is catalyst, and the quality of catalyst is the 5.6% of fructose quality；Solvent [EMIM] [Br] is added in 140 DEG C of oil bath temperature
The lower stirring reaction 4h of degree, ionic liquid is the 86% of reactant mixture gross mass.
(2) after product being diluted into constant volume, room temperature is cooled to, quantitative analysis, 5- is carried out to 5-HMF with HPLC after filtering
The yield of HMF is respectively 34.2%, 28.5%, 32.3%.
(3) quantitative analysis, the conversion of glucose are carried out to the glucose in mixture after reaction using evaporation photodetector
Rate is respectively 88%, 83.8%, 85.6%.
Embodiment 40-47
With glucose as raw material, with FDCA as catalyst, the quality of catalyst is fructose quality
5.6%；It is separately added into metal chloride AlCl3、FeCl3、CuCl2、KCl、NaCl、LiCl、ZnCl2As co-catalyst, metal
The quality of chloride is the 5.6% of glucose quality；Add solvent [EMIM] [Br] stirring reaction under 140 DEG C of oil bath temperatures
4h, ionic liquid is the 86% of reactant mixture gross mass.After product is diluted into constant volume, room temperature is cooled to, is used after filtering
HPLC carries out quantitative analysis to 5-HMF, and quantitative analysis is carried out to the glucose in mixture after reaction using evaporation photodetector.
Reaction result is as shown in table 4.
Table 4
| Embodiment | Metal chloride | Inversion rate of glucose | 5-HMF yields |
| Embodiment 41 | >99.9% | 5.6% | |
| Embodiment 42 | >99.9% | 13.1% | |
| Embodiment 43 | >99.9% | 11.0% | |
| Embodiment 44 | KCl | 87.2% | 33.7% |
| Embodiment 45 | NaCl | 88.2% | 34.6% |
| Embodiment 46 | LiCl | 93.0% | 43.2% |
| Embodiment 47 | ZnCl | 90.7% | 45.7% |
Embodiment 48-53
With sucrose as raw material, respectively with 5- hydroxyl -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, FDCA
It is catalyst, the quality of catalyst is the 5.8% of sucrose quality；Solvent [EMIM] [Br] is added respectively in 100 DEG C and 140 DEG C of oil
Stirring reaction 4h under bath temperature, ionic liquid is the 86% of reactant mixture gross mass.After product is diluted into constant volume, cooling
To room temperature, quantitative analysis is carried out to 5-HMF with HPLC after filtering, the yield of 5-HMF is as shown in table 5.
Table 5
Embodiment 54-59
With sucrose as raw material, respectively with 5- hydroxyl -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, FDCA
It is catalyst, the quality of catalyst is the 10.5% of sucrose quality；Solvent [EMIM] [Br] is added respectively at 100 DEG C and 140 DEG C
Stirring reaction 4h under oil bath temperature, ionic liquid is the 86% of reactant mixture gross mass.It is cold after product is diluted into constant volume
But to room temperature, quantitative analysis is carried out to 5-HMF with HPLC after filtering, the yield of 5-HMF is as shown in table 6.
Table 6
Embodiment 60-65
With cellobiose as raw material, respectively with 5- hydroxyl -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, 2,5- furans two
Formic acid is catalyst, and the quality of catalyst is the 5.8% of fructose quality, add solvent [EMIM] [Br] respectively 140 DEG C, 160
Stirring reaction 4h under DEG C oil bath temperature, ionic liquid is the 86% of reactant mixture gross mass.After product is diluted into constant volume,
Room temperature is cooled to, quantitative analysis is carried out to 5-HMF with HPLC after filtering, the yield of 5-HMF is as shown in table 7.
Table 7
Embodiment 66-71
With cellobiose as raw material, respectively with 5- hydroxyl -2- carboxyls furans, 5- carbonyl -2- carboxyls furans, 2,5- furans two
Formic acid is catalyst, and the quality of catalyst is the 10.5% of fructose quality, add solvent [EMIM] [Br] respectively 140 DEG C, 160
Stirring reaction 4h under DEG C oil bath temperature, ionic liquid is the 86% of reactant mixture gross mass.After product is diluted into constant volume,
Room temperature is cooled to, quantitative analysis is carried out to 5-HMF with HPLC after filtering, the yield of 5-HMF is as shown in table 8.
Table 8
The present invention does not address part and is applied to prior art.
Claims (3)
1. the method that a kind of oxidation product catalysis biomass sugar of 5-HMF prepares 5-HMF, it is characterised in that specific method is：With
Biomass sugar is raw material, and the oxidation product with 5-HMF, as catalyst, is solvent under 80 ~ 160 DEG C of oil bath temperatures with ionic liquid
Closed 1 ~ 6h of stirring reaction, obtains 5-HMF；The quality of the oxidation product of the 5-HMF is the 0.5%-10% of biomass sugar quality,
Ionic liquid quality accounts for the 40%-100% of reactant mixture gross mass；Reactant mixture gross mass refers to biomass sugar, ionic liquid
Body and the quality summation of catalyst three；
The biomass sugar is at least one in fructose, glucose, sucrose or cellobiose；The oxidation product of the 5-HMF
It is at least one in 5- hydroxyl -2- carboxyls furans, 5- carbonyls -2- carboxyls furans or 2,5- furandicarboxylic acids；The ionic liquid
Body be in 1-ethyl-3-methyllimidazolium bromide, chlorination 1- butyl -3- methylimidazoles or 1-butyl-3-methylimidazolium bromide extremely
Few one kind.
2. the method that the oxidation product catalysis biomass sugar of 5-HMF according to claim 1 prepares 5-HMF, its feature exists
In the biomass sugar be fructose.
3. the method that the oxidation product catalysis biomass sugar of 5-HMF according to claim 1 prepares 5-HMF, its feature exists
It is glucose in biomass sugar, metal chloride is added in reaction system as co-catalyst；The metal chloride is
LiCl、NaCl、KCl、FeCl3、AlCl3、CuCl2Or ZnCl2In at least one；The quality of the metal chloride is biological
The 0.1%-10% of the quality of matter sugar.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759546A (en) * | 2017-11-13 | 2018-03-06 | 天津工业大学 | A kind of method that catalyzed conversion chitin and monomer N acetylglucosamine prepares the acetyl furan of 3 acetylamino 5 |
| CN110004252A (en) * | 2019-03-27 | 2019-07-12 | 天津大学 | The method for preparing glucose using 2,5- furandicarboxylic acid catalytic cellulose |
| CN113292522A (en) * | 2021-06-02 | 2021-08-24 | 宁波国生科技有限公司 | Method for preparing 5-hydroxymethylfurfural by catalyzing biomass sugar with organic acid |
| CN115286665A (en) * | 2022-08-04 | 2022-11-04 | 南京师范大学 | Method for preparing fructose through glucose isomerization |
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| CN101386611A (en) * | 2007-09-14 | 2009-03-18 | 中国科学院大连化学物理研究所 | Method for preparing 5-hydroxymethyl-furfural |
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2017
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| CN101386611A (en) * | 2007-09-14 | 2009-03-18 | 中国科学院大连化学物理研究所 | Method for preparing 5-hydroxymethyl-furfural |
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| CLEMENT LANSALOT-MATRAS: ""Dehydration of fructose into 5-hydroxymethylfurfural in the presence of ionic liquids"", 《CATALYSIS COMMUNICATIONS》 * |
| HAIBO ZHAO: ""Metal chlorides in ionic liquid solvents convert sugars to 5-hydroxymethylfurfural"", 《SCIENCE》 * |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759546A (en) * | 2017-11-13 | 2018-03-06 | 天津工业大学 | A kind of method that catalyzed conversion chitin and monomer N acetylglucosamine prepares the acetyl furan of 3 acetylamino 5 |
| CN110004252A (en) * | 2019-03-27 | 2019-07-12 | 天津大学 | The method for preparing glucose using 2,5- furandicarboxylic acid catalytic cellulose |
| CN113292522A (en) * | 2021-06-02 | 2021-08-24 | 宁波国生科技有限公司 | Method for preparing 5-hydroxymethylfurfural by catalyzing biomass sugar with organic acid |
| CN115286665A (en) * | 2022-08-04 | 2022-11-04 | 南京师范大学 | Method for preparing fructose through glucose isomerization |
| CN115286665B (en) * | 2022-08-04 | 2024-05-07 | 南京师范大学 | Method for preparing fructose by glucose isomerization |
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