WO2015137339A1 - 水媒体中ヒドリド異性化反応用固体触媒 - Google Patents
水媒体中ヒドリド異性化反応用固体触媒 Download PDFInfo
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- WO2015137339A1 WO2015137339A1 PCT/JP2015/057015 JP2015057015W WO2015137339A1 WO 2015137339 A1 WO2015137339 A1 WO 2015137339A1 JP 2015057015 W JP2015057015 W JP 2015057015W WO 2015137339 A1 WO2015137339 A1 WO 2015137339A1
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- Prior art keywords
- phosphoric acid
- oxide
- glucose
- group
- fructose
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- 239000011949 solid catalyst Substances 0.000 title claims abstract description 18
- 238000006317 isomerization reaction Methods 0.000 title claims abstract description 15
- 150000004678 hydrides Chemical class 0.000 title claims abstract description 14
- 239000012736 aqueous medium Substances 0.000 title description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 126
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 63
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims abstract description 39
- 239000008103 glucose Substances 0.000 claims abstract description 39
- 229930091371 Fructose Natural products 0.000 claims abstract description 38
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 claims abstract description 38
- 239000005715 Fructose Substances 0.000 claims abstract description 38
- 229910052795 boron group element Inorganic materials 0.000 claims abstract description 35
- 239000007864 aqueous solution Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical group O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 29
- 238000010306 acid treatment Methods 0.000 claims description 21
- 150000007517 lewis acids Chemical class 0.000 claims description 17
- 239000002841 Lewis acid Substances 0.000 claims description 16
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims description 8
- 229910001195 gallium oxide Inorganic materials 0.000 claims description 8
- 229910003437 indium oxide Inorganic materials 0.000 claims description 8
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- WKMKTIVRRLOHAJ-UHFFFAOYSA-N oxygen(2-);thallium(1+) Chemical compound [O-2].[Tl+].[Tl+] WKMKTIVRRLOHAJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910003438 thallium oxide Inorganic materials 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 23
- 239000003054 catalyst Substances 0.000 abstract description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 11
- NOEGNKMFWQHSLB-UHFFFAOYSA-N 5-hydroxymethylfurfural Chemical compound OCC1=CC=C(C=O)O1 NOEGNKMFWQHSLB-UHFFFAOYSA-N 0.000 description 10
- RJGBSYZFOCAGQY-UHFFFAOYSA-N hydroxymethylfurfural Natural products COC1=CC=C(C=O)O1 RJGBSYZFOCAGQY-UHFFFAOYSA-N 0.000 description 10
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 239000011968 lewis acid catalyst Substances 0.000 description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000007086 side reaction Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- 238000005004 MAS NMR spectroscopy Methods 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000000371 solid-state nuclear magnetic resonance spectroscopy Methods 0.000 description 2
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000873 Beta-alumina solid electrolyte Inorganic materials 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003547 Friedel-Crafts alkylation reaction Methods 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000007871 hydride transfer reaction Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- -1 phosphate compound Chemical class 0.000 description 1
- 230000026731 phosphorylation Effects 0.000 description 1
- 238000006366 phosphorylation reaction Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- OVZUSPADPSOQQN-UHFFFAOYSA-N tri(propan-2-yloxy)indigane Chemical compound [In+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] OVZUSPADPSOQQN-UHFFFAOYSA-N 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H3/00—Compounds containing only hydrogen atoms and saccharide radicals having only carbon, hydrogen, and oxygen atoms
- C07H3/02—Monosaccharides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/08—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of gallium, indium or thallium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
- B01J27/18—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr with metals other than Al or Zr
- B01J27/1802—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates
- B01J27/1811—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates with gallium, indium or thallium
-
- B01J35/30—
-
- B01J35/613—
-
- B01J35/615—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/28—Phosphorising
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
Definitions
- the present invention relates to a solid catalyst that catalyzes a hydride isomerization reaction of glucose that functions in an aqueous medium, and use thereof.
- Lewis acid catalysts are widely applied to Friedel-Crafts alkylation / acyl reactions, various coupling reactions, polycondensation / rearrangement / isomerization / dehydration reactions, etc., most of which are carried out in organic solvents.
- a Lewis acid catalyst that functions without being decomposed in water is desired.
- Biomass is a renewable resource and has attracted attention as a new carbon source to replace crude oil.
- glucose is produced from many plant raw materials, and 5-hydroxymethylfurfural (HMF) obtained by dehydrating it is known to be a raw material for useful chemical substances such as furfuryl alcohol and tetrahydrofuran.
- HMF 5-hydroxymethylfurfural
- As a reaction for producing HMF from glucose first, a means for producing HMF by converting it into fructose by a hydride transfer reaction of glucose and dehydrating fructose is widely performed.
- Non-patent Document 1 Sn-containing beta zeolite is effective in producing fructose from an aqueous glucose solution. It has also been reported that HMF can be produced from glucose using a phosphate compound in which phosphoric acid is incorporated into a skeleton-forming component such as aluminum phosphate (Non-patent Document 2).
- the reaction using Sn-containing beta zeolite causes many side reactions, so that not only fructose and HMF but also many other products are produced, which is not a technique that can be used industrially.
- Sn has a safety problem and cannot be used for production of fructose used for food.
- Aluminum phosphate not only has low catalytic activity but also low fructose selectivity, making it difficult to apply as an industrial catalyst. Therefore, the subject of this invention is providing the new catalyst which can selectively catalyze the hydride isomerization reaction from the target glucose to fructose in water or aqueous solution.
- the conversion reaction from fructose to HMF proceeds satisfactorily with Brensted acid in the process of producing HMF from glucose
- the conversion reaction from glucose to fructose can be selectively performed, the whole is industrial. It can also be applied to foods such as fructose sweeteners. Therefore, the present inventor examined a solid catalyst capable of selectively proceeding conversion from glucose to fructose in an aqueous medium, and treated the surface of a Group 13 element oxide such as aluminum oxide with phosphoric acid. The catalyst thus obtained has been found to selectively advance the hydride isomerization reaction from glucose to fructose in an aqueous medium, thereby completing the present invention.
- the present invention provides the following [1] to [5].
- the phosphoric acid treatment is a treatment of a Group 13 element oxide in a phosphoric acid aqueous solution at 50 ° C. or lower.
- the Lewis acid amount of the Group 13 element oxide whose surface has been subjected to phosphoric acid treatment is the Lewis acid of the surface dehydrated group 13 element oxide which has not been subjected to phosphoric acid treatment in the state where the surface is hydrated.
- a method for producing fructose characterized in that the catalyst according to any one of [1] to [4] is allowed to act on glycose in water or in an aqueous solution.
- the catalyst of the present invention is useful as a solid catalyst having high selectivity for hydride isomerization reaction from glucose to fructose in water or an aqueous solution. According to the method of the present invention, fructose can be obtained with high selectivity from glucose by a reaction in water or an aqueous solution.
- the XRD spectrum of the aluminum oxide obtained in Reference Example 1 is shown. Showing a solid NMR (31 P MAS NMR) spectrum of the phosphating aluminum oxide. 2 shows FTIR spectra of aluminum oxide and phosphated aluminum oxide. The result of glucose to fructose conversion reaction using phosphoric acid-treated aluminum oxide is shown. The correlation between glucose conversion and fructose selectivity is shown. The result of glucose to fructose conversion reaction using phosphoric acid-treated aluminum oxide is shown. The result of glucose to fructose conversion reaction using phosphoric acid-treated aluminum oxide is shown. The result of glucose to fructose conversion reaction using phosphoric acid-treated aluminum oxide is shown.
- the catalyst of the present invention is a solid catalyst for hydride isomerization reaction from glucose to fructose in water or an aqueous solution composed of a Group 13 element oxide whose surface is subjected to phosphoric acid treatment.
- Examples of the Group 13 element oxide include aluminum oxide, gallium oxide, indium oxide, and thallium oxide.
- Examples of aluminum oxide include ⁇ -alumina, ⁇ -alumina, ⁇ -alumina, ⁇ -alumina, ⁇ -alumina, and boehmite, with ⁇ -alumina being particularly preferred.
- As the gallium oxide ⁇ -Ga 2 O 3, ⁇ -Ga 2 O 3, ⁇ -Ga 2 O 3, ⁇ -Ga 2 O 3, ⁇ -Ga 2 O 3 but may be mentioned, ⁇ -Ga 2 O 3 is more preferable.
- Indium oxide may be In 2 O 3
- thallium oxide may be Tl 2 O 3 .
- aluminum oxide is preferable in terms of availability.
- the phosphoric acid treatment on the surface of the group 13 element oxide may be performed by treating the group 13 element oxide with a phosphoric acid aqueous solution at 50 ° C. or less, for example. Specifically, the Group 13 element oxide may be stirred in a phosphoric acid aqueous solution at 50 ° C. or lower. If phosphoric acid treatment is performed at a high temperature, phosphorylation proceeds not only to the surface but also to the inside of the Group 13 element oxide, which is not preferable because the function as a Lewis acid catalyst is reduced. Here, it can be confirmed by solid-state NMR that only the surface is phosphorylated.
- the concentration of the phosphoric acid aqueous solution used may be 1 mM or more, preferably 1 mM to 100 mM, more preferably 10 mM to 100 mM.
- the molar ratio of the Group 13 element oxide and phosphoric acid used is not particularly limited as long as a part of the surface of the Group 13 element oxide is subjected to phosphoric acid treatment. In contrast, 0.0001 mol or more of phosphoric acid may be used, and 0.0001 to 1 mol is more preferable.
- the treatment temperature is preferably 50 ° C. or less, more preferably from 0 to 50 ° C., and more preferably from 10 to 40 ° C. because it is economical.
- the treatment time may be stirred for 5 minutes or more, preferably about 5 minutes to 48 hours, more preferably 15 minutes to 24 hours.
- the Group 13 element oxide whose surface is phosphoric acid-treated may be separated from the mixed solution by filtration or the like.
- phosphoric acid is immobilized on the surface of the group 13 element oxide.
- phosphoric acid is bound to the surface of the Group 13 element oxide, and phosphoric acid is considered to be bound as —OP ( ⁇ O) (OH) 2 .
- the bond can be confirmed by solid state NMR.
- the phosphoric acid treatment does not proceed inside the Group 13 element oxide. Note that the entire surface of the Group 13 element oxide does not need to be subjected to phosphoric acid treatment, and 0.00001 mol% or more of phosphoric acid may be fixed with respect to the Group 13 element oxide. It is preferable that ⁇ 0.003 mol% phosphoric acid is fixed, and more preferably 0.0003 to 0.0015 mol% phosphoric acid is fixed.
- the Group 13 element oxide whose surface is phosphorylated desirably has a surface phosphorylated and maintains a sufficient Lewis acid amount on the surface. Since the surface has a sufficient amount of Lewis acid and the surface is phosphorylated, the reaction from glucose to fructose proceeds selectively and side reactions can be suppressed.
- the Lewis acid amount on the surface of the solid catalyst of the present invention is 80% or more of the Lewis acid amount of the surface dehydrated group 13 element oxide that has not been subjected to phosphoric acid treatment, and further 85% when the surface is hydrated. It is preferable to maintain the above. More preferably, the Lewis acid amount is maintained at 80 to 95%, more preferably 85 to 95%.
- the Lewis acid amount can be measured by an FTIR spectrum of a sample on which pyridine is adsorbed.
- the Lewis acid amount was higher than that of the surface dehydrated product.
- the particle diameter of the Group 13 element oxide whose surface has been subjected to phosphoric acid treatment is not particularly limited, but is almost the same as that of the Group 13 element oxide particle as a raw material, and is preferably 0.1 to 100 ⁇ m, for example. 100 ⁇ m is more preferable, and 1 to 10 ⁇ m is more preferable.
- the group 13 element oxide whose surface is subjected to phosphoric acid treatment is a solid, and after use as a catalyst, it can be easily separated and recovered from the reaction mixture by filtration or the like, and can be reused. Useful as a catalyst.
- the group 13 element oxide whose surface has been subjected to phosphoric acid treatment is useful as a solid catalyst for hydride isomerization reaction from glucose to fructose in water or in an aqueous solution.
- the functionality in water or an aqueous solution is a function of catalyzing a reaction in water or an aqueous solution, and includes a case where the reaction is performed in an aqueous phase even in a mixed solution of water and an organic solvent. It is.
- few solid Lewis acid catalysts function in water or aqueous solutions.
- the catalyst of the present invention acts as a Lewis acid catalyst for the hydride isomerization reaction from glucose to fructose.
- the catalyst of the present invention is allowed to act on glucose in water or an aqueous solution, side reactions are suppressed, hydride isomerization reaction proceeds selectively, and fructose can be selectively produced.
- the concentration of glucose in the aqueous solution is not particularly limited, but is preferably 0.1 to 50% by mass, more preferably 0.1 to 20% by mass.
- the amount of the catalyst to be used is preferably 0.01 to 10 g, more preferably 0.1 to 1 g, per 1 g of glucose.
- the reaction temperature is preferably 50 to 180 ° C, more preferably 100 to 130 ° C.
- the reaction time is preferably 15 minutes to 24 hours, more preferably 30 minutes to 10 hours.
- fructose is selectively produced from glucose, the production rate of HMF is small, and other complicated side reactions are suppressed.
- This selectivity for fructose production is much better than when Sn-containing beta zeolite described in Non-Patent Document 1 or aluminum phosphate described in Non-Patent Document 2 is used.
- FIG. 1 shows the X-ray diffraction spectrum (XRD) of the obtained aluminum oxide
- Table 1 shows the BET specific surface area and the crystal phase by XRD.
- Al-200 to Al-1100 in the table indicate aluminum oxides obtained at a firing temperature of 200 to 1100 ° C., respectively.
- Example 1 (1) 5 g of the aluminum oxide produced in Reference Example 1 was stirred in 200 mL of a 0.1 M aqueous phosphoric acid solution at 25 ° C. for 24 hours. After filtration, it was dried to obtain 5.1 g of phosphoric acid-treated aluminum oxide. X-ray fluorescence analysis reveals that 5% by mass of phosphoric acid is contained.
- the Lewis acid amount of phosphoric acid-treated aluminum oxide (hydrated) maintained 88% of the acid amount of dehydrated aluminum oxide. Further, the Lewis acid amount of phosphoric acid-treated aluminum oxide (hydrated) was higher than that of phosphoric acid-treated aluminum oxide (dehydrated). Thus, since the amount of Lewis acid of the hydrated phosphated aluminum is sufficiently high, it has been found that the phosphated aluminum is useful as a Lewis acid catalyst in water or in an aqueous solution.
- Example 2 5 g of gallium oxide or indium oxide produced in Reference Example 2 was stirred at 25 ° C. for 24 hours in 200 mL of a 0.1 M aqueous phosphoric acid solution. After filtration, it was dried to obtain 4.5 g of phosphoric acid-treated gallium oxide or phosphoric acid-treated indium oxide.
- Example 3 0.02 g of glucose, 2 g of water and 0.05 g of phosphoric acid-treated aluminum oxide were put in a reaction vessel and stirred at 120 ° C. for 2 hours. The reaction solution was analyzed by high performance liquid chromatography. The result is shown in FIG. FIG. 4 also shows the results when aluminum oxide not subjected to phosphoric acid treatment is used as a catalyst.
- Al represents aluminum oxide, and the number behind it represents the firing temperature.
- 0.1MPP indicates 0.1M phosphoric acid treatment.
- FIG. 4 when using phosphoric acid-treated aluminum oxide, complex by-products (unknoun) are remarkably reduced, and fructose selectivity is remarkable. It has improved. Further, the correlation between the glucose conversion rate and the fructose selectivity is shown in FIG. FIG. 5 shows that the selectivity from glucose to fructose is significantly improved by using the catalyst of the present invention.
- Example 4 0.05 g of phosphoric acid-treated aluminum oxide (aluminium oxide calcined at 600 ° C., stirred at 10 ° C. to 100 mM phosphoric acid aqueous solution at 25 ° C. for 1 to 24 hours) was added to 1% by weight glucose aqueous solution, and 120 ° C. for 2 hours. Stir. The reaction solution was analyzed by high performance liquid chromatography. The result is shown in FIG. In the figure, the description in parentheses for PP-Al 2 O 3 indicates the conditions for the phosphoric acid treatment. In the figure, the selectivity indicates the fructose selectivity.
- FIG. 6 shows that high fructose selectivity was obtained even when the phosphating conditions of aluminum oxide were changed.
- Example 5 The reaction was performed in the same manner as in Example 4 except that the reaction temperature of glucose was changed from 120 ° C to 100 ° C. The result is shown in FIG. The symbols and selectivity in the figure are the same as in FIG. In addition, the sample of * in the figure has a glucose reaction time of 6 hours.
- the glucose reaction temperature showed high fructose selectivity even at 100 ° C. as in the case of 120 ° C.
- Example 6 Add 0.05 g of gallium oxide and indium oxide (sample calcined at 400 ° C.) and phosphoric acid-treated product (sample stirred with 100 mM phosphoric acid aqueous solution at 25 ° C. for 48 hours) to 1 mass% glucose aqueous solution (2 mL). , And stirred at 120 ° C. for 2 hours. The reaction solution was analyzed by high performance liquid chromatography. The results are shown in Table 4.
- the fructose selectivity is remarkably improved when the phosphoric acid-treated sample is used as compared with the case where gallium oxide and indium oxide not subjected to phosphoric acid treatment are used.
Abstract
Description
また、リン酸アルミニウムは、触媒活性が低いだけでなく、フルクトースの選択性が低く、工業触媒としての応用は難しい。
従って、本発明の課題は、水中又は水溶液中で目的とするグルコースからフルクトースへのヒドリド異性化反応を選択的に触媒できる新たな触媒を提供することにある。
〔2〕第13族元素酸化物が、酸化アルミニウム、酸化ガリウム、酸化インジウム及び酸化タリウムから選ばれるものである〔1〕記載の固体触媒。
〔3〕リン酸処理が、第13族元素酸化物をリン酸水溶液中50℃以下で処理するものである〔1〕又は〔2〕記載の固体触媒。
〔4〕表面がリン酸処理された第13族元素酸化物のルイス酸量が、その表面が水和された状態において、リン酸処理していない第13族元素酸化物の表面脱水物のルイス酸量の80%以上を維持しているものである〔1〕~〔3〕のいずれかに記載の固体触媒。
〔5〕水中又は水溶液中でグリコースに〔1〕~〔4〕のいずれかに記載の触媒を作用させることを特徴とするフルクトースの製造法。
これらの第13族元素酸化物のうち、酸化アルミニウムが入手容易性等の点で好ましい。
リン酸処理後は、濾過等により表面がリン酸処理された第13族元素酸化物を混合液から分離すればよい。
なお、表面がリン酸化された第13族元素酸化物は、表面を水和した場合、表面脱水物よりもルイス酸量が向上している。この作用により、この触媒は水中又は水溶液中において優れたヒドリド異性化反応を触媒するものと考えられる。
水中又は水溶液中でグルコースに本発明触媒を作用させると、副反応が抑制され、ヒドリド異性化反応が選択的に進行し、フルクトースを選択的に製造することができる。
アルミニウムイソプロポキシド(Al(O-i-Pr)3)30gに水300mLを加え、80℃で5時間攪拌した後、放冷し、水を除去した。この前駆体を200~1100℃で3時間焼成し、酸化アルミニウム粉末を得た。得られた酸化アルミニウムのX線回折スペクトル(XRD)を図1に、BET比表面積及びXRDによる結晶相を表1に示す。表中のAl-200~Al-1100は、それぞれ200~1100℃の焼成温度で得られた酸化アルミニウムを示す。
ガリウムイソプロポキシド(Ga(O-i-Pro)3)又はインジウムイソプロポキシド(In(O-i-Pro)3)3~5gに、2-プロパノール75~100mL、酢酸0.02~0.1mL及び水0.1~1.0mLを加え、80℃で5時間攪拌し、濾過後乾燥した。得られた前駆体を200~1000℃で3時間焼成し、Ga2O3又はIn2O3を得た。得られた生成物のBET比表面積を表2に示す。表2中、Ga2O3又はIn2O3の数字は焼成温度を示す。
(1)参考例1で製造した酸化アルミニウム5gを0.1Mリン酸水溶液200mL中、25℃で24時間攪拌した。濾過後、乾燥し、リン酸処理酸化アルミニウム5.1gを得た。X線蛍光分析から、リン酸を5質量%含有することがわかる。
図3から計算されたルイス酸量を表3に示す。
参考例2で製造した酸化ガリウム又は酸化インジウム5gを0.1Mリン酸水溶液200mL中、25℃で24時間攪拌した。濾過後、乾燥し、リン酸処理酸化ガリウム又はリン酸処理酸化インジウム4.5gを得た。
グルコース0.02g、水2g及びリン酸処理酸化アルミニウム0.05gを反応容器に入れ、120℃で2時間攪拌した。反応液を高速液体クロマトグラフィーにより分析した。その結果を図4に示す。なお、図4には、触媒としてリン酸処理していない酸化アルミニウムを用いた場合の結果も示した。図中、Alは酸化アルミニウムを示し、その後ろの数字は焼成温度を示す。0.1MPPは0.1Mリン酸処理を示す。
1質量%グルコース水溶液にリン酸処理酸化アルミニウム(600℃で焼成した酸化アルミニウムを10~100mMのリン酸水溶液で、25℃、1~24時間攪拌)0.05gを添加し、120℃で2時間攪拌した。反応液を高速液体クロマトグラフィーにより分析した。その結果を図6に示す。図中、PP-Al2O3のかっこ内の記載はリン酸処理の条件を示す。図中、選択率はフルクトースの選択率を示す。
グルコースの反応温度を120℃から100℃に変化させる以外は、実施例4と同様に反応を行った。その結果を図7に示す。図中の記号、選択率は図6と同じである。なお、図中の*の試料は、グルコースの反応時間が6時間である。
1質量%グルコース水溶液(2mL)に酸化ガリウムと酸化インジウム(400℃焼成した試料)とそのリン酸処理物(試料を100mMのリン酸水溶液で、25℃、48時間攪拌)0.05gを添加し、120℃で2時間攪拌した。反応液を高速液体クロマトグラフィーにより分析した。その結果を表4に示す。
Claims (5)
- 表面がリン酸処理された第13族元素酸化物からなる水中又は水溶液中におけるグルコースからフルクトースへのヒドリド異性化反応用固体触媒。
- 第13族元素酸化物が、酸化アルミニウム、酸化ガリウム、酸化インジウム及び酸化タリウムから選ばれるものである請求項1記載の固体触媒。
- リン酸処理が、第13族元素酸化物をリン酸水溶液中50℃以下で処理するものである請求項1又は2記載の固体触媒。
- 表面がリン酸処理された第13族元素酸化物のルイス酸量が、その表面が水和された状態において、リン酸処理していない第13族元素酸化物の表面脱水物のルイス酸量の80%以上を維持しているものである請求項1~3のいずれか1項記載の固体触媒。
- 水中又は水溶液中でグルコースに請求項1~4のいずれか1項記載の固体触媒を作用させることを特徴とするフルクトースの製造法。
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CN201580012750.3A CN106102907B (zh) | 2014-03-11 | 2015-03-10 | 水介质中氢化物异构化反应用固体催化剂 |
US15/124,939 US10336783B2 (en) | 2014-03-11 | 2015-03-10 | Solid catalyst for hydride isomerization reaction in an aqueous medium |
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CN106102907A (zh) | 2016-11-09 |
JP6444986B2 (ja) | 2018-12-26 |
US20170022238A1 (en) | 2017-01-26 |
US10336783B2 (en) | 2019-07-02 |
JPWO2015137339A1 (ja) | 2017-04-06 |
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