CN115160115B - 一种仿生催化异丁烯制备丙酮的方法 - Google Patents
一种仿生催化异丁烯制备丙酮的方法 Download PDFInfo
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- CN115160115B CN115160115B CN202210930848.9A CN202210930848A CN115160115B CN 115160115 B CN115160115 B CN 115160115B CN 202210930848 A CN202210930848 A CN 202210930848A CN 115160115 B CN115160115 B CN 115160115B
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- isobutene
- acetone
- catalyzing
- biomimetically
- enzyme catalyst
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 title claims abstract description 231
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 5
- 230000003592 biomimetic effect Effects 0.000 title description 9
- 239000003054 catalyst Substances 0.000 claims abstract description 99
- 102000004190 Enzymes Human genes 0.000 claims abstract description 65
- 108090000790 Enzymes Proteins 0.000 claims abstract description 65
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 11
- 230000001590 oxidative effect Effects 0.000 claims abstract description 8
- 239000003960 organic solvent Substances 0.000 claims abstract description 7
- 239000007800 oxidant agent Substances 0.000 claims abstract description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 30
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 21
- 230000003647 oxidation Effects 0.000 claims description 21
- 238000007254 oxidation reaction Methods 0.000 claims description 21
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 18
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- CFMZSMGAMPBRBE-UHFFFAOYSA-N 2-hydroxyisoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(O)C(=O)C2=C1 CFMZSMGAMPBRBE-UHFFFAOYSA-N 0.000 claims description 14
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 claims description 10
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 150000003624 transition metals Chemical group 0.000 claims description 4
- GETTZEONDQJALK-UHFFFAOYSA-N (trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=CC=C1 GETTZEONDQJALK-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- IOGXOCVLYRDXLW-UHFFFAOYSA-N tert-butyl nitrite Chemical compound CC(C)(C)ON=O IOGXOCVLYRDXLW-UHFFFAOYSA-N 0.000 claims description 3
- LGZDNJBUAAXEMN-UHFFFAOYSA-N 1,2,2,3-tetramethyl-1-oxidopiperidin-1-ium Chemical compound CC1CCC[N+](C)([O-])C1(C)C LGZDNJBUAAXEMN-UHFFFAOYSA-N 0.000 claims description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 239000012414 tert-butyl nitrite Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 125000005245 nitryl group Chemical group [N+](=O)([O-])* 0.000 claims 1
- 125000000542 sulfonic acid group Chemical group 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 11
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 29
- 239000002904 solvent Substances 0.000 description 19
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 12
- 238000004817 gas chromatography Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 10
- 229910001882 dioxygen Inorganic materials 0.000 description 10
- 239000000706 filtrate Substances 0.000 description 9
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 239000003570 air Substances 0.000 description 5
- 239000003480 eluent Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- -1 N, N' -bis (3, 5-di-tert-butyl-2-hydroxyphenyl) -1, 2-phenylenediamine copper Chemical compound 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000013110 organic ligand Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 150000004032 porphyrins Chemical class 0.000 description 3
- 238000002390 rotary evaporation Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- JWUXJYZVKZKLTJ-UHFFFAOYSA-N Triacetonamine Chemical compound CC1(C)CC(=O)CC(C)(C)N1 JWUXJYZVKZKLTJ-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 238000003760 magnetic stirring Methods 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- PQXKWPLDPFFDJP-UHFFFAOYSA-N 2,3-dimethyloxirane Chemical compound CC1OC1C PQXKWPLDPFFDJP-UHFFFAOYSA-N 0.000 description 1
- MWFMGBPGAXYFAR-UHFFFAOYSA-N 2-hydroxy-2-methylpropanenitrile Chemical compound CC(C)(O)C#N MWFMGBPGAXYFAR-UHFFFAOYSA-N 0.000 description 1
- PJZLSMMERMMQBJ-UHFFFAOYSA-N 3,5-ditert-butylbenzene-1,2-diol Chemical compound CC(C)(C)C1=CC(O)=C(O)C(C(C)(C)C)=C1 PJZLSMMERMMQBJ-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- 102000002004 Cytochrome P-450 Enzyme System Human genes 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 1
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 1
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 101710198130 NADPH-cytochrome P450 reductase Proteins 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- GJCXHYNLSNVSQZ-UHFFFAOYSA-L [Cu](Cl)Cl.Cl Chemical compound [Cu](Cl)Cl.Cl GJCXHYNLSNVSQZ-UHFFFAOYSA-L 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- GMGLYSIINJPYLI-UHFFFAOYSA-N butan-2-one;propan-2-one Chemical compound CC(C)=O.CCC(C)=O GMGLYSIINJPYLI-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- BULLHNJGPPOUOX-UHFFFAOYSA-N chloroacetone Chemical compound CC(=O)CCl BULLHNJGPPOUOX-UHFFFAOYSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000005515 coenzyme Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010543 cumene process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 229940032296 ferric chloride Drugs 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- BTIJJDXEELBZFS-UHFFFAOYSA-K hemin Chemical compound [Cl-].[Fe+3].[N-]1C(C=C2C(=C(C)C(C=C3C(=C(C)C(=C4)[N-]3)C=C)=N2)C=C)=C(C)C(CCC(O)=O)=C1C=C1C(CCC(O)=O)=C(C)C4=N1 BTIJJDXEELBZFS-UHFFFAOYSA-K 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 229940071125 manganese acetate Drugs 0.000 description 1
- 239000011565 manganese chloride Substances 0.000 description 1
- 229940099607 manganese chloride Drugs 0.000 description 1
- 235000002867 manganese chloride Nutrition 0.000 description 1
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methyl-cyclopentane Natural products CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001706 oxygenating effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
- B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
- B01J31/1825—Ligands comprising condensed ring systems, e.g. acridine, carbazole
- B01J31/183—Ligands comprising condensed ring systems, e.g. acridine, carbazole with more than one complexing nitrogen atom, e.g. phenanthroline
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/20—Carbonyls
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2217—At least one oxygen and one nitrogen atom present as complexing atoms in an at least bidentate or bridging ligand
-
- 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
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/70—Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0238—Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
- B01J2531/0241—Rigid ligands, e.g. extended sp2-carbon frameworks or geminal di- or trisubstitution
- B01J2531/025—Ligands with a porphyrin ring system or analogues thereof, e.g. phthalocyanines, corroles
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0238—Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
- B01J2531/0241—Rigid ligands, e.g. extended sp2-carbon frameworks or geminal di- or trisubstitution
- B01J2531/0252—Salen ligands or analogues, e.g. derived from ethylenediamine and salicylaldehyde
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Abstract
本发明公开了一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法;旨在提供一种反应条件温和、催化效果好、工艺简单、丙酮选择性高的异丁烯氧化制备丙酮的方法;该方法以异丁烯为原料,以氧气或空气为氧化剂,加入一定量的有机溶剂和助剂,以金属有机类酶化合物为催化剂,控制反应温度为60~140℃,反应压力为0.5~3.0MPa的条件下进行催化反应得到丙酮;属于有机合成技术领域。
Description
技术领域
本发明涉及一种丙酮的制备方法,具体地说,是涉及一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法。
背景技术
丙酮又名二甲基酮,是一种无色有芳香气味的易燃易挥发液体。相对密度(d4O)0.80,熔点-94.6℃,沸点56.5℃,折射率(nD 20)1.385,闪点-20℃,粘度(25℃)0.4013mPa·s。易溶于水和甲醇、乙醚、油类、氯仿、吡啶等有机溶剂。
2019年,2020年丙酮产量为147.24万吨,最重要的下游应用包括直接用作溶剂、用于生产双酚A、通过丙酮氰醇法(ACH法)生产甲基丙烯酸甲酯(MMA),分别占到总消费量的34%、19%和29%。
目前,丙酮的生产工艺方法有发酵法、丙烯直接氧化法、异丙醇脱氢法、异丙苯法。发酵法制备丙酮是一种早期的制备方法,就是以蜜糖、谷物等粮食为原料,加入纯丙酮- 丁酮菌种进行生物发酵,得到的发酵液经过精馏分离可得到丙酮、丁酮和乙醇。该工艺由于生产成本高,技术落后逐渐被淘汰。
丙烯直接氧化法以丙烯为原料,氧气为氧源,氯化钯-氯化铜为催化剂催化氧化制备丙酮,同时副产丙醛和氯代丙酮等。该方法仅在日本有过尝试,但是由于设备投资费用高生产成本高还存在腐蚀问题,生产装置被关闭。
异丙醇脱氢法是异丙醇在350~400℃,金属、金属氧化物或盐类为催化剂条件下脱氢得到丙酮和氢气,该方法异丙醇转化率可以达到98%,但是由于生产成本高逐渐被异丙苯法取代。
异丙苯法是目前世界上丙酮的主要生产方法占世界产能的92%。该方法以苯和丙烯为原料,首先经过烃化反应得到异丙苯,然后经过氧化得到异丙苯过氧化氢,最后分解得到苯酚与丙酮,未反应的异丙苯和回收副产物α-甲基苯乙烯经过氢化反应继续返回氧化反应器继续反应。异丙苯法是最主要丙酮生产方法,与苯酚一起联产,二者供需关系不一致也会影响该方法的应用,该方法工艺流程长,能耗高,三废排放量大不符合“绿色化学”的理念,另一方面我国碳四资源丰富所以使用异丁烯直接氧化制备丙酮是一条值得研究的工艺路线。
模拟细胞色素P450单加氧酶中的辅酶因子的金属卟啉结构设计的类酶催化剂,具有传递氧气以及活化氧气的能力,能在温和条件下实现烃类化合物的高选择性氧化。中国专利CN201810406707公开了一种以三丙酮胺副产物为原料的制备丙酮的方法,使得合成三丙酮胺的原料由“丙酮+副产物”变为单一的丙酮,然而该方法中使用大量的水确并没有提及如何对于水进行回收以及产生的废水如何处理。中国专利CN201410670606公开了一种金属卟啉催化异丁烷制备丙酮的工艺,催化效果优异,然而确没有对于同为碳四资源的异丁烯进行催化测试。
因此,开发一种以异丁烯为原料,氧气或空气为氧化剂,且条件温和、工艺简单、选择性高的丙酮制备工艺将具有十分重要的应用前景。
发明内容
本发明的目的在于提供一种类酶催化剂仿生催化异丁烯直接氧化制备丙酮的方法。
为了实现上述目的,所采用的技术方案是:
以异丁烯为原料,以氧气或空气为氧化剂,加入有机液体溶剂,加入助剂,以具有通式(I)结构的单核金属卟啉、通式(II)的μ-氧-双核金属卟啉、通式(III)的N,N′ -二(3,5-二叔丁基-2-羟基苯基)-1,2-苯二胺铜(Cu-PT)为催化剂,控制反应温度在 60~140℃,氧气反应压力为0.5MPa~3MPa的条件下进行催化反应得到丙酮,异丁烯与助剂的摩尔比为1∶0.05~1∶0.2。
通式(I)中的M1是过渡金属原子Fe、Co、Cu、Mn、Sn、Pt、Ru、Rh,X是羰基、卤素或者氢;通式(II)中的M2是过渡金属原子Fe或者Mn;R1、R2、R3、R4和R5均选自氢、卤素、硝基、甲基、羟基或烷氧基。
上述酶催化剂仿生催化异丁烯氧化制备丙酮的方法中,所述的助剂为苯甲醛、异丁醛、四甲基六氢吡啶氧化物、亚硝酸叔丁酯、N-羟基邻苯二甲酰亚胺中的至少一种;优选N- 羟基邻苯二甲酰亚胺(NHPI)。
上述的一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,所述的有机溶剂为乙腈、甲醇、乙酸乙酯、三氟甲苯、二氯甲烷的其中之一;优选乙腈。
上述酶催化剂仿生催化异丁烯氧化制备丙酮的方法中,所述的异丁烯与助剂摩尔比优选为1∶0.05~1∶0.1。
上述酶催化剂仿生催化异丁烯氧化制备丙酮的方法中,催化剂浓度为7×10-4~2.8× 10-3mol/L,优选的反应温度为60~100℃,优选的氧气反应压力为0.5~2.0MPa。
与现有的技术相比,本发明具有如下有益效果:
1、本发明将酶结构金属有机化合物作催化剂均匀溶解在溶剂中,加入助剂,使异丁烯和氧气或空气在酶结构金属有机化合物作催化剂的作用下进行催化反应制得丙酮,由于采用酶结构金属有机化合物作为催化剂,反应条件温和,降低了生产过程的能耗,同时安全性也得到了提高。采用的是异丁烯与氧气直接氧化的方法来制备丙酮,避免异丙苯法带来的环境污染大、能耗高等缺点;加入的助剂,使反应底物产生自由基易于与氧气反应,从而可以加快异丁烯直接氧化速率以及提高异丁烯的转化率。
2、本发明丙酮的选择性高,反应简单、易行,产物容易分离;反应体系中其他产物主要有甲基丙烯醛、叔丁醇、甲基环氧丙烷等。由于丙酮以及其他产物与助剂的沸点相差较大,用简单的蒸馏操作就可以将各种产物进行分离。
附图说明
图1是实施例1提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图2是实施例2提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图3是实施例3提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图4是实施例4提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图5是实施例5提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图6是实施例6提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图7是实施例7提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图8是实施例8提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图9是实施例9提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图10是实施例10提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图11是实施例11提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图12是实施例12提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图;
图13是实施例13提供的酶催化剂仿生催化异丁烯氧化制备丙酮色谱图。
具体实施方式
下面通过实施例对本发明进一步说明,但本发明的保护范围并不局限于实施例表示的范围。
实施例中所用的试剂均为市售的分析纯试剂。
实施例1至实施例10中所用的具有通式(I)的金属有机类酶催化剂是通过下述方法制备的:
实施例中所用的通式(I)的金属有机类酶催化剂是按照文献Alder AD,etal.J.Org.Chem.1967,32中描述的合成方法合成的;通式(I)的金属有机类酶催化剂合成步骤分为两个步骤,首先合成卟啉有机配体,然后将有机配体与相应的金属盐反应生成相应的金属类酶催化剂。
卟啉有机配体合成:合成前分别将吡咯和具有不同取代基的苯甲醛用减压蒸馏方式进行重蒸备用;将丙酸或乳酸加入圆底烧瓶中使用恒温磁力搅拌浴升温加热回流,回流开始后同时滴加等物质的量的新蒸吡咯与新蒸不同取代基的苯甲醛,滴加完成后继续反应3h;反应完成后冷却至室温,加入无水乙醇,放入冰箱静置一夜,抽滤并用无水乙醇洗涤至透明,烘干得到紫色固体;得到的紫色固体以二氯甲烷甲醇不同配比为洗脱液用200-300目的硅胶进行柱层析,收集得到的洗脱液,旋蒸干燥得到紫色晶体。
金属类酶催化剂合成:向三口烧瓶中加入二氯甲烷或十氢萘等溶剂使用恒温磁力搅拌浴升温加热回流,然后将卟啉有机配体与相应的金属盐如乙酸锰、氯化铁、氯化锰等加入三口烧瓶中,在氮气氛围下反应5h;反应完成后冷却至室温,加入正己烷或无水乙醇等溶剂稀释;之后用中性氧化铝或硅胶作为填料进行柱层析,用二氯甲烷与甲醇不同配比溶剂作为洗脱液进行洗脱,收集洗脱液,旋蒸干燥得到目标产物。
实施例12中所用的具有通式(II)的金属有机类酶催化剂是通过下述方法制备的:
通式(II)的金属有机类酶催化剂是按照文献Everly B etal.J.Am.Chem.Soc.1969,91, 9,2403-2405中描述的合成方法合成的;
将0.5g四苯基氯化铁卟啉或四苯基氯化锰卟啉溶于60ml氯仿中制备络合物;加入氢氧化钾溶液(含量25%,50毫升),搅拌1小时。将氯仿层与水层分离,在干式活性氧化铝填充柱上进行两次层析,洗脱氯仿,收集洗脱液,旋蒸干燥得到目标产物。
实施例13中所用的具有通式(III)的金属有机类酶催化剂是通过下述方法制备的:
通式(III)的金属有机类酶催化剂是按照文献Chaudhuri P etal.J.Am.Chem.Soc. 121.41(1999):9599-9610.中描述的合成方法合成的;
将3,5-二叔丁基邻苯二酚(8.9g;4.0mmol),邻苯二胺(2.06g;2.0mmol)、正庚烷(120mL) 中三乙胺(0.4mL)加入圆底烧瓶中室温搅拌4天,然后过滤收集淡黄色沉淀,用正戊烷洗涤。取淡黄色沉淀(0.52g;1mmol),[CuI(NCCH3)4](ClO4)(0.37g;1.0mmol)和三乙胺(0.5mL) 在超干甲醇(50mL)中氩气气氛下加热回流30分钟,然后将黄色溶液冷却到20℃并暴露在空气中。溶液变为绿色,2h内析出绿色晶体,过滤收集得到目标产物。
实施例1
本发明提供的一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以乙腈为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Fe,X=Cl,R1=R2=R3= R4=R5=H)为溶质,配置浓度为7×10-4mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入5mmol的NHPI,0.01mol 异丁烯,充入氧气至1.0MPa,在温度为100℃下进行搅拌反应7h后,过滤,取反应液(滤液)经气相色谱分析,异丁烯的转化率为12%,丙酮选择性为74%。色谱图如图1所示。
实施例2
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以二氯甲烷溶液为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Co,X=Cl,R1=R2=R4=R5=H,R3=OH)为溶质,配置浓度为7×10-4mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入10mmol的NHPI,0.01mol异丁烯,充入氧气至1.0MPa,在温度为80℃下进行搅拌反应7h,经气相色谱分析,异丁烯的转化率为14%,丙酮选择性为79%,色谱图如图2所示。
实施例3
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以二氯甲烷溶液为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Mn,X=Cl,R1=R2=R4=R5=H,R3=NO2)为溶质,配置浓度为7×10-4mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入5mmol的亚硝酸叔丁酯,0.01mol异丁烯,充入氧气至0.5MPa,在温度为80℃下进行搅拌反应7h,经气相色谱分析,异丁烯的转化率为11%,丙酮选择性为69%,色谱图如图3所示。
实施例4
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以乙酸乙酯为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Sn,X=Cl, R1=R2=R4=R5=H,R3=CH3)为溶质,配置浓度为7×10-4mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入5mmol的NHPI,0.01mol 异丁烯,充入氧气至1.0MPa,在温度为120℃下进行搅拌反应7h,经气相色谱分析,异丁烯的转化率为14%,丙酮选择性为82%。色谱图如图4所示。
实施例5
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以乙酸乙酯为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Pt,R1=R2= R3=R4=R5=H)为溶质,配置浓度为7×10-4mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再分别加入5mmol的TEMPO,0.01mol 异丁烯,充入氧气至1.5MPa,在温度为80℃下进行搅拌反应7h,经气相色谱分析,异丁烯的转化率为13%,丙酮选择性为72%。色谱图如图5所示。
实施例6
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以甲醇为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Rh,R1=R2=R3=R4=R5=H)为溶质,配置浓度为2.1×10-3mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入5mmol的异丁醛,0.01mol异丁烯,充入氧气至1.5MPa,在温度为60℃下进行搅拌反应7h,经气相色谱分析,异丁烯的转化率为16%,丙酮选择性为83%。色谱图如图6所示。
实施例7
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以三氟甲苯为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Ru,X=CO, R1=R2=R4=R5=H)为溶质,配置浓度为1.8×10-3mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入5mmol的苯甲醛,0.01mol异丁烯,充入空气至3.0MPa,在温度为140℃下进行搅拌反应,经气相色谱分析7h,异丁烯的转化率为18%,丙酮选择性为54%。色谱图如图7所示。
实施例8
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以乙腈为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Co,X=C1,R1=R2= R4=R5=H,R3=OCH3)为溶质,配置浓度为1.4×10-3mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入5mmol的NHPI,0.01mol 异丁烯,充入氧气至1.5MPa,在温度为120℃下进行搅拌反应,经气相色谱分析7h,异丁烯的转化率为19%,丙酮选择性为85%。色谱图如图8所示。
实施例9
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以乙腈为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Fe,X=C1,R1=R2= R3=R4=R5=H)为溶质,配置浓度为7×104mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入15mmol的NHPI,0.01mol异丁烯,充入氧气至1.0MPa,在温度为120℃下进行搅拌反应,经气相色谱分析7h,异丁烯的转化率为17%,丙酮选择性为83%。色谱图如图9所示。
实施例10
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以乙腈为溶剂,以具有通式(I)的金属有机类酶催化剂(M1=Cu,X=Cl,R1=R2= R3=R4=R5=F)为溶质,配置浓度为7×10-4mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入20mmol的NHPI,0.01mol异丁烯,充入氧气至1.0MPa,在温度为100℃下进行搅拌反应7h,过滤取滤液,滤液经气相色谱分析,异丁烯的转化率为21%,丙酮选择性为89%。色谱图如图10所示。
实施例11
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以乙腈为溶剂,以具有通式(II)的金属有机类酶催化剂(M1=Fe,R1=R2=R3= R4=R5=H)为溶质,配置浓度为7×10-4mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入5mmol的NHPI,0.01mol 异丁烯,充入氧气至1.5MPa,在温度为100℃下进行搅拌反应7h,过滤取滤液,滤液经气相色谱分析,异丁烯的转化率为15%,丙酮选择性为85%。色谱图如图11所示。
实施例12
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以乙腈为溶剂,以具有通式(II)的金属有机类酶催化剂(M1=Mn,R1=R2=R3= R4=R5=H)为溶质,配置浓度为7×10-4mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入5mmol的NHPI,0.01mol 异丁烯,充入氧气至1.5MPa,在温度为100℃下进行搅拌反应7h,过滤取滤液,滤液经气相色谱分析,异丁烯的转化率为18%,丙酮选择性为87%。色谱图如图12所示。
实施例13
本发明提供的另一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,依次包括下述步骤:
1)首先以乙酸乙酯为溶剂,以具有通式(III)的金属有机类酶催化剂为溶质,配置浓度为7×10-4mol/L的催化剂溶液;
2)向反应器加入25ml步骤1)配置的催化剂溶液,再加入5mmol的NHPI,0.01mol 异丁烯,充入氧气至1.0MPa,在温度为100℃下进行搅拌反应7h,过滤取滤液,滤液经气相色谱分析,异丁烯的转化率为11%,丙酮选择性为89%。色谱图如图13所示。
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Claims (8)
1.一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,其特征在于,将金属有机类酶催化剂溶解在有机溶剂中,加入摩尔比为1:0.05~1:0.2的异丁烯与助剂,通入气体氧化剂至压力为0.5MPa~3MPa,在60~140℃的条件下进行催化反应得到丙酮;
所述的金属有机类酶催化剂结构式为通式(Ⅰ)通式(Ⅱ)、通式(Ⅲ)的其中之一:
;
通式(Ⅰ);
其中,通式(Ⅰ)M1是过渡金属原子Fe、Co、Cu、Mn、Sn、Pt、Ru、Rh的其中之一,X1是羰基或卤素或者氢;
;
通式(Ⅱ);
通式(Ⅱ)中的M2是过渡金属原子Fe或者Mn,
R1、R2、R3、R4和R5均选自氢、卤素、硝基、甲基、羟基、磺酸基的其中之一;X均选自氢;
;
通式(Ⅲ);
所述的助剂为苯甲醛、异丁醛、四甲基六氢吡啶氧化物、亚硝酸叔丁酯、N-羟基邻苯二甲酰亚胺中的至少一种;
所述的气体氧化剂为氧气或空气。
2.根据权利要求1所述的一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,其特征在于,所述的有机溶剂为乙腈、甲醇、乙酸乙酯、三氟甲苯、二氯甲烷的其中之一。
3.根据权利要求1所述的一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,其特征在于,所述的助剂为N-羟基邻苯二甲酰亚胺。
4.根据权利要求2所述的一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,其特征在于,所述的有机溶剂为乙腈。
5.根据权利要求1所述的一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,其特征在于,所述的异丁烯与助剂摩尔比为1:0.05~1:0.1。
6.根据权利要求1所述的一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,其特征在于,所述的金属有机类酶催化剂溶解在有机溶剂中的浓度为7×10-4~2.8×10-3mol/L。
7.根据权利要求1所述的一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,其特征在于,所述的反应温度为60~100℃。
8.根据权利要求1所述的一种酶催化剂仿生催化异丁烯氧化制备丙酮的方法,其特征在于,通入气体氧化剂至压力为 0.5~2.0MPa。
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