TWI530490B - 糠醛類化合物之製備方法及製備其之混合溶液 - Google Patents
糠醛類化合物之製備方法及製備其之混合溶液 Download PDFInfo
- Publication number
- TWI530490B TWI530490B TW100125871A TW100125871A TWI530490B TW I530490 B TWI530490 B TW I530490B TW 100125871 A TW100125871 A TW 100125871A TW 100125871 A TW100125871 A TW 100125871A TW I530490 B TWI530490 B TW I530490B
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- Prior art keywords
- ion
- ammonium salt
- organic ammonium
- functional group
- salt
- Prior art date
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- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical class O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 title claims description 40
- 239000000203 mixture Substances 0.000 title claims description 19
- 238000002360 preparation method Methods 0.000 title claims description 13
- 150000003863 ammonium salts Chemical class 0.000 claims description 50
- 239000003054 catalyst Substances 0.000 claims description 32
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 31
- 150000001720 carbohydrates Chemical class 0.000 claims description 27
- 239000003960 organic solvent Substances 0.000 claims description 27
- -1 furfural compound Chemical class 0.000 claims description 21
- 239000011259 mixed solution Substances 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 125000000524 functional group Chemical group 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 16
- 150000003839 salts Chemical class 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 125000000623 heterocyclic group Chemical group 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 6
- 125000001246 bromo group Chemical group Br* 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 3
- UCCWJJZPOSPPIC-UHFFFAOYSA-N COOCF Chemical compound COOCF UCCWJJZPOSPPIC-UHFFFAOYSA-N 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical group [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical group C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 claims description 3
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 229940006460 bromide ion Drugs 0.000 claims description 3
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 claims description 3
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 claims description 3
- 229940006461 iodide ion Drugs 0.000 claims description 3
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- 239000011630 iodine Substances 0.000 claims description 3
- 150000005621 tetraalkylammonium salts Chemical class 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims description 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims 4
- RAXXELZNTBOGNW-UHFFFAOYSA-N 1H-imidazole Chemical group C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims 2
- 229920005862 polyol Polymers 0.000 claims 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- NOEGNKMFWQHSLB-UHFFFAOYSA-N 5-hydroxymethylfurfural Chemical compound OCC1=CC=C(C=O)O1 NOEGNKMFWQHSLB-UHFFFAOYSA-N 0.000 description 55
- RJGBSYZFOCAGQY-UHFFFAOYSA-N hydroxymethylfurfural Natural products COC1=CC=C(C=O)O1 RJGBSYZFOCAGQY-UHFFFAOYSA-N 0.000 description 55
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 33
- 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 description 24
- 239000008103 glucose Substances 0.000 description 24
- 235000014633 carbohydrates Nutrition 0.000 description 22
- 239000002608 ionic liquid Substances 0.000 description 16
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 description 12
- HTZCNXWZYVXIMZ-UHFFFAOYSA-M benzyl(triethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1=CC=CC=C1 HTZCNXWZYVXIMZ-UHFFFAOYSA-M 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 239000001763 2-hydroxyethyl(trimethyl)azanium Substances 0.000 description 9
- 235000019743 Choline chloride Nutrition 0.000 description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
- SGMZJAMFUVOLNK-UHFFFAOYSA-M choline chloride Chemical compound [Cl-].C[N+](C)(C)CCO SGMZJAMFUVOLNK-UHFFFAOYSA-M 0.000 description 9
- 229960003178 choline chloride Drugs 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- 239000005715 Fructose Substances 0.000 description 8
- 229930091371 Fructose Natural products 0.000 description 8
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 8
- 239000011651 chromium Substances 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 229920002472 Starch Polymers 0.000 description 6
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 6
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 6
- 239000008107 starch Substances 0.000 description 6
- 235000019698 starch Nutrition 0.000 description 6
- ADLVDYMTBOSDFE-UHFFFAOYSA-N 5-chloro-6-nitroisoindole-1,3-dione Chemical compound C1=C(Cl)C([N+](=O)[O-])=CC2=C1C(=O)NC2=O ADLVDYMTBOSDFE-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 4
- 229930006000 Sucrose Natural products 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000005720 sucrose Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229920000604 Polyethylene Glycol 200 Polymers 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- GQQSNQUOWKQMKU-UHFFFAOYSA-N 1-butyl-2-chloro-2H-pyridine Chemical compound C(CCC)N1C(C=CC=C1)Cl GQQSNQUOWKQMKU-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 229910021555 Chromium Chloride Inorganic materials 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 150000003842 bromide salts Chemical class 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- KAVBMPSEABAPIE-UHFFFAOYSA-K trichlorochromium;hydrate Chemical compound O.Cl[Cr](Cl)Cl KAVBMPSEABAPIE-UHFFFAOYSA-K 0.000 description 2
- NIUZJTWSUGSWJI-UHFFFAOYSA-M triethyl(methyl)azanium;chloride Chemical compound [Cl-].CC[N+](C)(CC)CC NIUZJTWSUGSWJI-UHFFFAOYSA-M 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 1
- NJLYZISHBSABMZ-UHFFFAOYSA-N 1,3-bis[2,6-di(propan-2-yl)phenyl]-2h-imidazole Chemical compound CC(C)C1=CC=CC(C(C)C)=C1N1C=CN(C=2C(=CC=CC=2C(C)C)C(C)C)C1 NJLYZISHBSABMZ-UHFFFAOYSA-N 0.000 description 1
- AVJBQMXODCVJCJ-UHFFFAOYSA-M 1,3-bis[2,6-di(propan-2-yl)phenyl]imidazol-1-ium;chloride Chemical compound [Cl-].CC(C)C1=CC=CC(C(C)C)=C1N1C=[N+](C=2C(=CC=CC=2C(C)C)C(C)C)C=C1 AVJBQMXODCVJCJ-UHFFFAOYSA-M 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- KZEVSDGEBAJOTK-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[5-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CC=1OC(=NN=1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O KZEVSDGEBAJOTK-UHFFFAOYSA-N 0.000 description 1
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- YZUPZGFPHUVJKC-UHFFFAOYSA-N 1-bromo-2-methoxyethane Chemical compound COCCBr YZUPZGFPHUVJKC-UHFFFAOYSA-N 0.000 description 1
- HUEXNHSMABCRTH-UHFFFAOYSA-N 1h-imidazole Chemical compound C1=CNC=N1.C1=CNC=N1 HUEXNHSMABCRTH-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- JQMFQLVAJGZSQS-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-N-(2-oxo-3H-1,3-benzoxazol-6-yl)acetamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)NC1=CC2=C(NC(O2)=O)C=C1 JQMFQLVAJGZSQS-UHFFFAOYSA-N 0.000 description 1
- YJLUBHOZZTYQIP-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=N2 YJLUBHOZZTYQIP-UHFFFAOYSA-N 0.000 description 1
- CSFPPQHQUSAHGZ-UHFFFAOYSA-N 2-chloro-1-ethyl-2H-pyridine Chemical compound C(C)N1C(C=CC=C1)Cl CSFPPQHQUSAHGZ-UHFFFAOYSA-N 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- CONKBQPVFMXDOV-QHCPKHFHSA-N 6-[(5S)-5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-2-oxo-1,3-oxazolidin-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C[C@H]1CN(C(O1)=O)C1=CC2=C(NC(O2)=O)C=C1 CONKBQPVFMXDOV-QHCPKHFHSA-N 0.000 description 1
- DFGKGUXTPFWHIX-UHFFFAOYSA-N 6-[2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]acetyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)C1=CC2=C(NC(O2)=O)C=C1 DFGKGUXTPFWHIX-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical class [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- XFKDHLHUDUAQQV-UHFFFAOYSA-M [NH4+].[Cl-].[Cl-].C[N+](C)(C)CCO Chemical compound [NH4+].[Cl-].[Cl-].C[N+](C)(C)CCO XFKDHLHUDUAQQV-UHFFFAOYSA-M 0.000 description 1
- 125000003172 aldehyde group Chemical group 0.000 description 1
- 150000003934 aromatic aldehydes Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- UDYGXWPMSJPFDG-UHFFFAOYSA-M benzyl(tributyl)azanium;bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CC1=CC=CC=C1 UDYGXWPMSJPFDG-UHFFFAOYSA-M 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229920001429 chelating resin Polymers 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- XBWRJSSJWDOUSJ-UHFFFAOYSA-L chromium(ii) chloride Chemical compound Cl[Cr]Cl XBWRJSSJWDOUSJ-UHFFFAOYSA-L 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 150000002016 disaccharides Chemical class 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 239000000374 eutectic mixture Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 150000002402 hexoses Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 229940113115 polyethylene glycol 200 Drugs 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- KKHJTSPUUIRIOP-UHFFFAOYSA-J tetrachlorostannane;hydrate Chemical compound O.Cl[Sn](Cl)(Cl)Cl KKHJTSPUUIRIOP-UHFFFAOYSA-J 0.000 description 1
- DCFYKYLKKRZCPG-UHFFFAOYSA-K tribromochromium;hydrate Chemical compound O.Br[Cr](Br)Br DCFYKYLKKRZCPG-UHFFFAOYSA-K 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
- C07D307/48—Furfural
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Description
本發明是有關於一種糠醛類化合物之製備方法及製備其之混合溶液,且特別是有關於一種可有糠醛類化合物高產率、並降低生產成本之製備方法。
HMF屬於糠醛類。糠醛(呋喃甲醛,furfural)是一種工業用化學製品,可由各種農副產品中萃取。也是一種芳香族的醛,其化學式為C5H4O2,環狀結構如下所示。而HMF可由果糖或葡萄糖脫水後產生。在石油逐漸耗盡,再生能源興起的今日,HMF也成為一顆閃亮的明日之星。HMF是一種含羥基和醛基的有機化合物,其結構中包含一個由四個碳原子與一個氧原子組成的雜環,分子式為C6H6O3,環狀結構如下所示。
屬於糠醛類的HMF會抑制溶液中微生物的生長,無法以生物醱酵法合成,僅能以化學法由六碳糖轉化,但是因不易控制副反應使反應效率低與不易分離純化。目前已有許多知名化學公司與研究機構分別嘗試突破HMF產率偏低之技術障礙。Zhao的專利技術揭露以離子液體系統製備HMF(美國專利申請案公開號US 2008/0033187 A1),以熔點低於100℃之有機鹽類,在反應溫度大約100℃所形成之離子液體為溶劑,以氯化金屬為觸媒,將碳水化合物轉化為HMF。Zhang的專利技術(美國專利申請案公開號US 2009/0313889 A1)以離子液體為溶劑,以螫合性氮異環碳烯(N-heterocyclic carbene)的鉻金屬錯化合物為觸媒。
本發明係有關於一種糠醛類化合物之製備方法及製備其之混合溶液,不但成本可大幅下降,更有高糠醛類化合物產率。
根據本發明之一實施,係提出一種糠醛類化合物之製備方法,包括:將一有機銨鹽(organic ammonium salt)與一含羥基有機溶劑(hydroxyl organic solvent)混合,以形成一溶液組合物。將一碳水化合物混合入該溶液組合物形成一混合溶液。加熱該混合溶液至一反應溫度,使該碳水化合物轉化成糠醛類化合物。
根據本發明之另一實施,係提出一種用以製備糠醛類化合物之混合溶液,至少包括一有機銨鹽、一含羥基有機溶劑與一碳水化合物。
為讓本發明之上述內容能更明顯易懂,下文特舉實施例,並配合所附圖式,作詳細說明如下:
實施例係提出一種糠醛類化合物之製備方法及製備其之混合溶液。
在一實施例中,一種糠醛類化合物(以5-羥甲基糠醛或糠醛為例)之製備方法,包括步驟如下。將一有機銨鹽與一含羥基有機溶劑混合,以形成一溶液組合物。接著,將一碳水化合物混合入該溶液組合物形成一混合溶液。加熱該混合溶液至一反應溫度,使該碳水化合物轉化成糠醛類化合物如5-羥甲基糠醛(HMF)或糠醛。上述有機銨鹽對含羥基有機溶劑的莫耳比值為1至9,或2.5至4;碳水化合物佔混合溶液的比例為5~20 wt%,或10 wt%。
一實施例中,有機銨鹽可為鏈狀有機銨鹽或環狀有機銨鹽。
一實施例中,鏈狀有機銨鹽係如下列化學式[III]表示,環狀有機銨係如下列化學式[I]、[II]和[IV]表示之化合物之至少其中之一:
其中,R1~R11例如是獨立地選自氫(H)、烷基官能基(如C1-C6烷基)、環狀烷基(cycloalkyl)官能基、芳基(aryl)官能基和烷芳基(alkaryl)官能基(如苯甲基或苯乙基),且該些官能基可選擇性地連接氫(-H)、氫氧基(-OH)、氯基(-Cl)、溴基(-Br)、碘基(-I)或氰基(-CN)。而陰離子Y-例如是氟離子(F-)、氯離子(Cl-)、溴離子(Br-)、碘離子(I-)、硝酸根離子(NO3 -)、硫酸氫根離子(HSO4 -)、氟硼酸根離子(BF4 -)、氰根離子(CN-)、三氟甲磺酸根離子(SO3CF3 -)、或三氟甲羧酸根離子(COOCF3 -)。
在一實施例中,有機銨鹽的熔點例如是高於100℃。
在一實施例中,鏈狀有機銨鹽例如是環狀烷基三烷基季銨鹽(cycloalkyltrialkylammonium salt)、芳基三烷基季銨鹽(aryltrialkylammonium salt)、烷芳基三烷基季銨鹽(alkaryltrialkylammonium salt)、四烷基季銨鹽(tetraalkylammonium salt)或上述之組合。
在一實施例中,鏈狀有機銨鹽例如是氯化膽鹼、四甲基氯化銨、甲基三乙基氯化銨、苯甲基三乙基氯化銨或上述之組合。
在一實施例中,環狀有機銨鹽例如是為一含雜環(heterocyclic ring)之有機銨鹽,且該含雜環之有機銨鹽係包括吡啶銨(pyridinium)官能基、咪唑銨(imidazolium)官能基、或吡咯烷銨(pyrrolidinium)官能基。
在一實施例中,環狀有機銨鹽例如是1-乙基氯化吡啶、1-丁基氯化吡啶或上述之組合。
再者,實施例中,其含羥基有機溶劑例如是包括C2-C6之一元醇、二元醇、三元醇或多元醇之化合物(如乙二醇、丙二醇或甘油);或包括碳鏈上含有醚基(-C-O-C-)之化合物(如二甘醇(diethylene glycol)或聚乙二醇化合物HO(CH2CH2O)nH,n=1-15(如PEG200,Polyethylene glycol))。
另外,實施例在反應後,欲從混合溶液中分離出HMF,可利用苯或醚類溶劑即可萃取出HMF,簡化分離純化方法。
實施例中,所選用的碳水化合物例如是己糖、雙糖、寡聚糖、聚糖、果糖、葡萄糖、蔗糖、澱粉、戊糖或木糖。在一實施例中,可另加入一觸媒於該混合溶液中,可視所選用之碳水化合物選擇性添加適當之觸媒,適當之觸媒可選用酸性觸媒、含鉻(Cr)或錫(Sn)的氯化鹽或溴化鹽、或螫合性氮異環碳烯(N-heterocyclic carbene)的鉻金屬錯化合物,舉例如表1所示。實施例中,酸性觸媒可選用沸石(zeolite)、或磺酸基離子交換樹脂型觸媒。實施例中,將碳水化合物與溶液組合物混合後,形成一混合溶液,以180℃以下之反應溫度加熱該混合溶液,使該碳水化合物轉化成5-羥甲基糠醛或糠醛。在一實施例中,反應溫度例如為室溫至180℃、80至140℃、100至140℃、120至140℃或80至120℃;其中,該室溫例如為25℃。
表1
在一些實施例中,可選擇適當的碳水化合物和觸媒,搭配適宜的反應溫度,以將碳水化合物轉化成HMF或糠醛。例如,若選用葡萄糖時,可加入含鉻(Cr)或錫(Sn)的氯化鹽或溴化鹽、或螫合性氮異環碳烯(N-heterocyclic carbene)的鉻金屬錯化合物為觸媒,在約100~120℃將葡萄糖轉化成HMF;若選用果糖或木糖時,可加入酸性觸媒、含鉻(Cr)或錫(Sn)的氯化鹽或溴化鹽、或螫合性氮異環碳烯(N-heterocyclic carbene)的鉻金屬錯化合物為觸媒,在約80~100℃將果糖或木糖轉化成HMF或糠醛。若糖類為澱粉或纖維素時,可加入含鉻(Cr)或錫(Sn)的氯化鹽或溴化鹽為觸媒,在約120~140℃將澱粉或纖維素轉化成HMF。
以下係提出HMF或糠醛之製備方法及製備其之溶液組合物的相關實驗例內容,然而,此技術領域者當可清楚理解其中實驗例所提出的實驗內容,如細部製程步驟和所選擇之材料僅為舉例說明之用,並非對本發明欲保護之範圍做限縮,亦可依據實際實施態樣的需要對該些步驟加以修飾變化或作適當選擇。
實驗例一中,係選用氯化膽鹼為有機銨鹽,CrCl2為觸媒,和以葡萄糖為碳水化合物。以氯化膽鹼對各含羥基有機溶劑依需要的莫耳比混合加熱至100℃(加熱溫度小於120℃),形成一溶液組合物,再混合葡萄糖後,加入相對於葡萄糖莫耳數的CrCl2觸媒,100℃反應(轉化溫度例如100℃~120℃)轉化成HMF產物。表2係列出實驗例一中各實驗條件以及HMF產率之實驗結果。
其中,實驗例1-1係選用1,3-丙二醇做為含羥基有機溶劑,實驗例1-2係選用1,4-丁二醇做為含羥基有機溶劑,實驗例1-3係選用二甘醇做為含羥基有機溶劑,實驗例1-4係選用聚乙二醇200做為含羥基有機溶劑,實驗例1-5係選用甘油做為含羥基有機溶劑。表2之實驗結果顯示,HMF產率都在30%,甚至50%以上。
表2
實驗例二中,係選用氯化膽鹼為有機銨鹽,二甘醇為含羥基有機溶劑,CrCl2為觸媒,以及葡萄糖為碳水化合物。以氯化膽鹼對二甘醇溶劑依需要的莫耳比混合加熱至100℃,形成溶液組合物,再混合葡萄糖後,加入6 mole%(相對於葡萄糖莫耳數)之CrCl2觸媒,於溫度100℃反應轉化成HMF產物。
表3係列出實驗例二中各實驗條件以及HMF產率之實驗結果。其中,實驗例2-1~實驗例2-3,HMF產率分別為57%、61%和56%。
表3
實驗例三中,係選用不同的有機銨鹽,二甘醇(實驗例3-1~3-3和3-5~3-6)或PEG200(實驗例3-4)為含羥基有機溶劑,CrCl2為觸媒,以及葡萄糖為碳水化合物。以不同有機銨鹽與含羥基有機溶劑依需要的莫耳比混合加熱至100℃,形成溶液組合物,再混合葡萄糖後,加入相對於葡萄糖莫耳數的CrCl2觸媒,100℃反應轉化成HMF產物。表4係列出實驗例三中各實驗條件以及HMF產率之實驗結果。
其中,實驗例3-1係選用甲基三乙基氯化銨做為有機銨鹽,實驗例3-2~3-4係選用苯甲基三乙基氯化銨做為有機銨鹽,實驗例3-5係選用苯甲基三丁基溴化銨做為有機銨鹽,實驗例3-6係選用1-丁基氯化吡啶做為有機銨鹽,都可有效將葡萄糖轉化為HMF。其中,實驗例3-1和3-4之HMF產率可達75%和74%。
表4
實驗例四中,係選用氯化膽鹼(實驗例4-1~4-2)或苯甲基三乙基氯化銨(實驗例4-3~4-5)為有機銨鹽,二甘醇(實驗例4-1~4-3)或PEG200(實驗例4-4~4-5)為含羥基有機溶劑,以及葡萄糖為碳水化合物。在不同觸媒中,如氯化鉻水合物(CrCl3‧6H2O)、四氯化錫水合物(SnCl4‧5H2O)、溴化鉻水合物(CrBr3‧6H2O)、氯化1,3-雙(2,6-二異丙基苯基)咪唑/二氯化鉻形成的錯化合物((1,3-bis(2,6-bisisopropylphenyl)imidazolium chloride/CrCl2)簡稱Cr-carbene)等,將葡萄糖轉化成HMF。以有機銨鹽對二甘醇溶劑依需要的莫耳比混合加熱至100℃,形成溶液組合物,再混合葡萄糖後,加入相對於葡萄糖莫耳數的觸媒(實驗例4-5觸媒濃度單位係以重量百分比表示),100℃反應轉化成HMF產物。表5係列出實驗例四中各實驗條件以及HMF產率之實驗結果。其中,又以實驗例4-3和4-4之HMF產率可達65%和66%。
表5
實驗例五中,係選用氯化膽鹼(實驗例5-1和5-3)或苯甲基三乙基氯化銨(實驗例5-2)為有機銨鹽,二甘醇(實驗例5-1~5-2)或乙二醇(實驗例5-3)為含羥基有機溶劑,Amberlyst-15(AMBERLYSTTM Polymeric Catalysts)(為美國Rohm and Haas公司產品,簡寫為Am-15)為磺酸基離子交換樹脂型觸媒,以及果糖為碳水化合物。如實驗例5-1所示,以有機銨鹽氯化膽鹼對二甘醇溶劑混合成75莫耳%,加熱至100℃,形成溶液組合物,再混合果糖後,加入觸媒(相對於果糖重量比值),80℃反應轉化成HMF產物。實驗例5-2和5-3亦應用類似步驟。表6係列出實驗例五中各實驗條件以及HMF產率之實驗結果。
其中,實驗例5-1、5-2和5-3之HMF產率可分別達72%、80%和73%。
表6
實驗例六中,係選用氯化膽鹼(實驗例6-1和6-2)或苯甲基三乙基氯化銨(實驗例6-3)為有機銨鹽,二甘醇為含羥基有機溶劑,二氯化鉻(實驗例6-1和6-3)或三氯化鉻水合物(實驗例6-2)為觸媒,蔗糖、澱粉或木糖為碳水化合物。以有機銨鹽對二甘醇溶劑混合成75莫耳%,加熱至100℃,形成溶液組合物,再混合蔗糖、澱粉或木糖後,加入6 mole%(相對於糖莫耳數)的觸媒,蔗糖為100℃反應,澱粉為120℃反應,木糖為100℃反應,轉化為HMF產物。表7係列出實驗例六中各實驗條件以及HMF產率之實驗結果。其中,實驗例6-1之HMF產率可達69%。
表7
和目前現有的傳統製備方法相較,有別於習知之離子液體系統(所用之有機銨鹽熔點必須低於100℃),實施例所提出之5-羥甲基糠醛或糠醛之製備方法,係應用有機銨鹽與含羥基有機溶劑,在適合的混合比例下製得熔點低於100℃的溶液,再與碳水化合物(如果糖或葡萄糖)混合後,經加熱轉化成HMF或糠醛之產物,達到HMF或糠醛之產率可達至少20莫耳%以上甚至更高產率的反應合成方法,相較於傳統使用價格十分昂貴的離子液體,生產成本可大幅下降。避免使用傳統製備方法中未商業化生產、價格昂貴的離子液體製造HMF。習知之離子液體為「離子液體的組成僅由離子所組成,且該離子液體的熔點必須低於100℃」;可參考[1] Hiroyuki Ohno,Electrochemical aspects of Ionic liquids,Jone Wiley Sons,Inc.,2005.、[2] Peter Wasserscheid and Tom Welton,Ionic liquids in synthesis,Wily-VCH,2003.、[3] Joan F. Brennecke,Edward J. Maginn,AIChE Journal,Vol. 47,2001,p. 2384-2389.、或[4] Stark,A.;Seddon,K. Ionic Liquids. In Kirk-Othmer Encyclopedia of Chemical Technology;John Wiley and Sons: New York,2007;Vol 26;pp 836-920.之定義Ionic Liquid and Ionic Solution-“The term “ionic liquid” should be literally understood as a liquid that consists entirely of ions,as opposed to an ionic solution,which is a solution of a salt in a molecular solvent(Fig. 1). Similarly,eutectic mixtures of ionic liquids with molecular organic species are not ionic liquids,either.”。
綜上所述,雖然本發明已以實施例揭露如上,然其並非用以限定本發明。本發明所屬技術領域中具有通常知識者,在不脫離本發明之精神和範圍內,當可作各種之更動與潤飾。因此,本發明之保護範圍當視後附之申請專利範圍所界定者為準。
表1係列舉出實施例之相關部分實驗所使用的碳水化合物與其對應所適用之觸媒。
表2係列出實驗例一中各實驗條件以及HMF產率之實驗結果。
表3係列出實驗例二中各實驗條件以及HMF產率之實驗結果。
表4係列出實驗例三中各實驗條件以及HMF產率之實驗結果。
表5係列出實驗例四中各實驗條件以及HMF產率之實驗結果。
表6係列出實驗例五中各實驗條件以及HMF產率之實驗結果。
表7係列出實驗例六中各實驗條件以及HMF產率之實驗結果。
Claims (10)
- 一種糠醛類化合物之製備方法,包括:將一有機銨鹽(organic ammonium salt)與一含羥基有機溶劑(hydroxyl organic solvent)混合,以形成一溶液組合物,其中,該有機銨鹽係如下列化學式[I]、[II]、[III]和[IV]表示之化合物之至少其中之一:
其中R1~R11係獨立地選自氫(H)、烷基官能基、環狀烷基(cycloalkyl)官能基、芳基(aryl)官能基,和烷芳基(alkaryl)官能基,且該些官能基可選擇性地連接氫(-H)、氫氧基(-OH)、氯基(-Cl)、溴基(-Br)、碘基(-I)或氰基(-CN),且該有機銨鹽的熔點高於100℃,且該含羥基有機溶劑係包括C2-C6之二元醇、三元醇或多元醇之化合物;將一碳水化合物混合入該溶液組合物形成一混合溶液;和 加熱該混合溶液至一反應溫度,使該碳水化合物轉化成糠醛類化合物。 - 如申請專利範圍第1項所述之製備方法,其中該有機銨鹽之陰離子Y-係為氟離子(F-)、氯離子(Cl-)、溴離子(Br-)、碘離子(I-)、硝酸根離子(NO3 -)、硫酸氫根離子(HSO4 -)、氟硼酸根離子(BF4 -)、氰根離子(CN-)、三氟甲磺酸根離子(SO3CF3 -)、或三氟甲羧酸根離子(COOCF3 -)。
- 如申請專利範圍第1項所述之製備方法,其中該有機銨鹽係包括環狀烷基三烷基季銨鹽(cycloalkyltrialkylammonium salt)、芳基三烷基季銨鹽(aryltrialkylammonium salt)、烷芳基三烷基季銨鹽(alkaryltrialkylammonium salt)、四烷基季銨鹽(tetraalkylammonium salt)或上述之組合。
- 如申請專利範圍第1項所述之製備方法,其中該有機銨鹽為一含雜環(haterocyclic ring)之有機銨鹽,且該含雜環之有機銨鹽係包括吡啶銨(pyridinium)官能基、咪唑銨(imidazolium)官能基、或吡咯烷銨(pyrrolidinium)官能基。
- 如申請專利範圍第1項所述之製備方法,其中該混合溶液更包括一觸媒。
- 如申請專利範圍第1項所述之製備方法,其中該反應溫度為180℃以下。
- 一種用以製備糠醛類化合物之混合溶液,包括一有機銨鹽、一含羥基有機溶劑與一碳水化合物,其中,該有機銨鹽係如下列化學式[I]、[II]、[III]和[IV]表示之化 合物之至少其中之一:
其中R1~R11係獨立地選自氫(H)、烷基官能基、環狀烷基(cycloalkyl)官能基、芳基(aryl)官能基,和烷芳基(alkaryl)官能基,且該些官能基可選擇性地連接氫(-H)、氫氧基(-OH)、氯基(-Cl)、溴基(-Br)、碘基(-I)或氰基(-CN),且該有機銨鹽的熔點高於100℃;該含羥基有機溶劑係包括C2-C6之二元醇、三元醇或多元醇之化合物;且該有機銨鹽對該含羥基有機溶劑的莫耳比值為1至9;該碳水化合物佔該混合溶液的比例為5~20wt%。 - 如申請專利範圍第7項所述之混合溶液,其中Y-係為氟離子(F-)、氯離子(Cl-)、溴離子(Br-)、碘離子(I-)、硝酸根離子(NO3 -)、硫酸氫根離子(HSO4 -)、氟硼酸根離子(BF4 -)、氰根離子(CN-)、三氟甲磺酸根離子(SO3CF3 -)、或三氟甲羧酸根離子(COOCF3 -)。
- 如申請專利範圍第7項所述之混合溶液,其中該有 機銨鹽係包括環狀烷基三烷基季銨鹽(cycloalkyltrialkylammonium salt)、芳基三烷基季銨鹽(aryltrialkylammonium salt)、烷芳基三烷基季銨鹽(alkaryltrialkylammonium salt)、四烷基季銨鹽(tetraalkylammonium salt)或上述之組合。
- 如申請專利範圍第7項所述之混合溶液,其中該有機銨鹽為一含雜環(heterocyclic ring)之有機銨鹽,且該含雜環之有機銨鹽係包括吡啶銨(pyridinium)官能基、咪唑銨(imidazolium)官能基、或吡咯烷銨(pyrrolidinium)官能基。
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| CN201110232398.8A CN102887878B (zh) | 2011-07-21 | 2011-08-15 | 糠醛类化合物的制备方法及制备其的混合溶液 |
| US13/275,085 US8772514B2 (en) | 2011-07-21 | 2011-10-17 | Preparation of furfural compounds, and mixture for preparing the same |
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