CN114890999B - 一种pqq的制备方法 - Google Patents
一种pqq的制备方法 Download PDFInfo
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- CN114890999B CN114890999B CN202210587679.3A CN202210587679A CN114890999B CN 114890999 B CN114890999 B CN 114890999B CN 202210587679 A CN202210587679 A CN 202210587679A CN 114890999 B CN114890999 B CN 114890999B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 63
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 claims abstract description 19
- FKLJPTJMIBLJAV-UHFFFAOYSA-N Compound IV Chemical compound O1N=C(C)C=C1CCCCCCCOC1=CC=C(C=2OCCN=2)C=C1 FKLJPTJMIBLJAV-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 12
- HTSGKJQDMSTCGS-UHFFFAOYSA-N 1,4-bis(4-chlorophenyl)-2-(4-methylphenyl)sulfonylbutane-1,4-dione Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C(=O)C=1C=CC(Cl)=CC=1)CC(=O)C1=CC=C(Cl)C=C1 HTSGKJQDMSTCGS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- IRFHMTUHTBSEBK-QGZVFWFLSA-N tert-butyl n-[(2s)-2-(2,5-difluorophenyl)-3-quinolin-3-ylpropyl]carbamate Chemical compound C1([C@H](CC=2C=C3C=CC=CC3=NC=2)CNC(=O)OC(C)(C)C)=CC(F)=CC=C1F IRFHMTUHTBSEBK-QGZVFWFLSA-N 0.000 claims abstract description 11
- -1 6-amino-5-methoxy-1H-indole-2-ethyl formate Chemical compound 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011968 lewis acid catalyst Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 claims abstract description 5
- CLRHEGMAWYPMJF-UHFFFAOYSA-N ethyl 2-oxo-3-phenylpropanoate Chemical compound CCOC(=O)C(=O)CC1=CC=CC=C1 CLRHEGMAWYPMJF-UHFFFAOYSA-N 0.000 claims abstract description 5
- LCTONWCANYUPML-UHFFFAOYSA-N PYRUVIC-ACID Natural products CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 4
- 229940107700 pyruvic acid Drugs 0.000 claims abstract description 4
- 239000003513 alkali Substances 0.000 claims abstract description 3
- 238000006482 condensation reaction Methods 0.000 claims abstract description 3
- 238000010931 ester hydrolysis Methods 0.000 claims abstract description 3
- 239000007800 oxidant agent Substances 0.000 claims abstract description 3
- 230000001590 oxidative effect Effects 0.000 claims abstract description 3
- 238000006722 reduction reaction Methods 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 32
- 239000002904 solvent Substances 0.000 claims description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical group CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 18
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 8
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 7
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical group OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium on carbon Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical group [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- DIEUGINJYISDCB-UHFFFAOYSA-N ethyl 6-amino-5-methoxy-1h-indole-2-carboxylate Chemical compound COC1=C(N)C=C2NC(C(=O)OCC)=CC2=C1 DIEUGINJYISDCB-UHFFFAOYSA-N 0.000 claims description 6
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 claims description 6
- FYXXJXKLTCPPHW-UHFFFAOYSA-N 2-methoxy-1h-pyrrole Chemical compound COC1=CC=CN1 FYXXJXKLTCPPHW-UHFFFAOYSA-N 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims description 5
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 claims description 3
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical group [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 claims description 3
- 239000012312 sodium hydride Substances 0.000 claims description 3
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 3
- WBQTXTBONIWRGK-UHFFFAOYSA-N sodium;propan-2-olate Chemical compound [Na+].CC(C)[O-] WBQTXTBONIWRGK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 2
- 239000002585 base Substances 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine group Chemical group NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- XLPFUGPSJUAQSY-UHFFFAOYSA-N 1-methoxy-5-methyl-2,4-dinitrobenzene Chemical compound COC1=CC(C)=C([N+]([O-])=O)C=C1[N+]([O-])=O XLPFUGPSJUAQSY-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007858 starting material Substances 0.000 abstract description 2
- MMXZSJMASHPLLR-UHFFFAOYSA-N pyrroloquinoline quinone Chemical compound C12=C(C(O)=O)C=C(C(O)=O)N=C2C(=O)C(=O)C2=C1NC(C(=O)O)=C2 MMXZSJMASHPLLR-UHFFFAOYSA-N 0.000 description 60
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 48
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 28
- 238000003756 stirring Methods 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000003208 petroleum Substances 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- 238000001035 drying Methods 0.000 description 11
- 239000012044 organic layer Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 238000001914 filtration Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- TYEYBOSBBBHJIV-UHFFFAOYSA-M 2-oxobutanoate Chemical compound CCC(=O)C([O-])=O TYEYBOSBBBHJIV-UHFFFAOYSA-M 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- CWKLZLBVOJRSOM-UHFFFAOYSA-N methyl pyruvate Chemical compound COC(=O)C(C)=O CWKLZLBVOJRSOM-UHFFFAOYSA-N 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- AOCFFQGOSLXNFU-UHFFFAOYSA-N 5-methoxy-1h-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid Chemical compound C12=C(C(O)=O)C=C(C(O)=O)N=C2C(OC)=CC2=C1NC(C(O)=O)=C2 AOCFFQGOSLXNFU-UHFFFAOYSA-N 0.000 description 4
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical class [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 238000006257 total synthesis reaction Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 2
- XXRCUYVCPSWGCC-UHFFFAOYSA-N Ethyl pyruvate Chemical compound CCOC(=O)C(C)=O XXRCUYVCPSWGCC-UHFFFAOYSA-N 0.000 description 2
- 102000004316 Oxidoreductases Human genes 0.000 description 2
- 108090000854 Oxidoreductases Proteins 0.000 description 2
- LCTONWCANYUPML-UHFFFAOYSA-M Pyruvate Chemical compound CC(=O)C([O-])=O LCTONWCANYUPML-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 239000005515 coenzyme Substances 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229940117360 ethyl pyruvate Drugs 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OUNUNDAIKLDJAY-UHFFFAOYSA-N 2-fluoro-4-methyl-5-nitroaniline Chemical compound CC1=CC(F)=C(N)C=C1[N+]([O-])=O OUNUNDAIKLDJAY-UHFFFAOYSA-N 0.000 description 1
- JNXXFKBPTNOORD-UHFFFAOYSA-N 3-cyclopentyl-2-oxopropanoic acid Chemical compound OC(=O)C(=O)CC1CCCC1 JNXXFKBPTNOORD-UHFFFAOYSA-N 0.000 description 1
- DITJMKNNGYPPQD-UHFFFAOYSA-N 4,5-dioxo-1h-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid;sodium Chemical class [Na].C12=C(C(O)=O)C=C(C(O)=O)N=C2C(=O)C(=O)C2=C1NC(C(=O)O)=C2 DITJMKNNGYPPQD-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 108010025020 Nerve Growth Factor Proteins 0.000 description 1
- 102000007072 Nerve Growth Factors Human genes 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- JGDITNMASUZKPW-UHFFFAOYSA-K aluminium trichloride hexahydrate Chemical compound O.O.O.O.O.O.Cl[Al](Cl)Cl JGDITNMASUZKPW-UHFFFAOYSA-K 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005277 cation exchange chromatography Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- HRFPJTKNXSWSIW-UHFFFAOYSA-N cyclohexyl 2-oxoacetate Chemical compound O=CC(=O)OC1CCCCC1 HRFPJTKNXSWSIW-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000015872 dietary supplement Nutrition 0.000 description 1
- 238000010812 external standard method Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 150000002211 flavins Chemical class 0.000 description 1
- JBBNYKPRONOPHN-UHFFFAOYSA-N hydron;2-methoxy-5-nitroaniline;chloride Chemical compound Cl.COC1=CC=C([N+]([O-])=O)C=C1N JBBNYKPRONOPHN-UHFFFAOYSA-N 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 description 1
- BTNMPGBKDVTSJY-UHFFFAOYSA-N keto-phenylpyruvic acid Chemical compound OC(=O)C(=O)CC1=CC=CC=C1 BTNMPGBKDVTSJY-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000005480 nicotinamides Chemical class 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- ILPVOWZUBFRIAX-UHFFFAOYSA-N propyl 2-oxopropanoate Chemical compound CCCOC(=O)C(C)=O ILPVOWZUBFRIAX-UHFFFAOYSA-N 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 229940076788 pyruvate Drugs 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 150000003628 tricarboxylic acids Chemical group 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Abstract
本发明公开了一种PQQ的制备方法,包括以下步骤:(1)化合物I 5‑甲基‑2,4‑二硝基苯甲醚与草酸二乙酯在碱的作用下发生缩合反应,制得化合物II 3‑(5‑甲氧基‑2,4‑二硝基)苯基丙酮酸乙酯;(2)化合物II在还原剂作用下发生还原反应关环,制得化合物III 6‑氨基‑5‑甲氧基‑1H‑吲哚‑2‑甲酸乙酯;(3)化合物III与乙醛酸酯和丙酮酸酯在Lewis酸催化剂作用下在氧气氛围下发生三组分一锅反应,制得化合物IV 5‑甲氧基‑1H‑吡咯[2,3‑f]喹啉‑2,7,9‑三甲酸酯;(4)化合物IV发生酯水解反应,制得化合物V 5‑甲氧基‑1H‑吡咯[2,3‑f]喹啉‑2,7,9‑三甲酸;(5)化合物V发生在氧化剂Ce(NH4)2(NO3)6作用下发生氧化反应即制得PQQ;本方法以廉价的5‑甲基‑2,4‑二硝基苯甲醚为起始原料,通过五步即制备了PQQ,总收率最高达39%。
Description
技术领域
本发明涉及一种化合物的制备方法,特别涉及一种PQQ的制备方法。
背景技术
PQQ的中文简称为吡咯喹啉醌,化学名称为4,5-二氧代-1H-吡咯[2,3-f]喹啉-2,7,9-三甲酸,是20世纪70年代末发现的一种氧化还原酶的新辅酶,是继黄素核苷酸和烟酰胺核苷酸之后发现的第三种辅酶。作为一种氧化还原酶辅基,PQQ几乎存在于所有生物组织中,是一种新型的水溶性B族维生素。研究表明PQQ具有刺激机体生长、促进神经生长因子合成、防护肝损伤、调解机体自由基水平、提高细菌对毒性和辐射等极端条件耐受性等多种功能,也作为动物生长发育的必需因子。美国和欧盟已经将吡咯喹啉醌钠盐列为高安全性的新型膳食补充剂。
PQQ为含有吡咯并喹啉醌结构的三元羧酸,结构比较复杂。自从1979年PQQ分子结构被确定以来,其全合成就成为了有机合成的热点之一。文献J.Org.Chem.1981,46(21),4317-4319首次报道了PQQ的全合成,虽然这一全合成路线需要经过12步反应,总收率仅有2%,但为以后的PQQ全合成奠定了基础。文献J.Am.Chem.Soc.1981,103,18,5599-5600通过10步反应,以20%的总产率得到了高纯的PQQ。但该方法只适合毫克级别的样品的制备。随后,多篇文献如J.Org.Chem.1985,50,10,1688-1695,J.Am.Chem.Soc.1985,107,5555,Tetrahedron Lett.1988,29,3709;Chim.Acta 1993,76,988;Helvetica Chimica Acta1996,79,658;Tetrahedron,2005,61,12330等也通过不同的策略全合成了PQQ。这些方法也都存在工艺路线长,总收率低,使用昂贵的试剂、成本高等缺陷。近年来科技工作者对PQQ的合成方法也不断地研究,如文献CN 104557921 A以2-甲氧基-5-硝基苯胺盐酸盐为原料,经10步合成了PQQ;文献CN 108329313 A以丙酮酸乙酯为起始原料,经8步合成了PQQ;CN110981873 A以4-甲基-5-硝基-2-氟苯胺为原料,经5步合成了PQQ等。这些方法虽进行了一些改进,但仍存在工艺路线长,总收率低,工艺操作复杂、使用昂贵的试剂、成本高,难以实现规模生产等缺陷。
发明内容
发明目的:本发明旨在提供一种原料廉价,工艺路线为五步反应的PQQ的制备方法。
技术方案:本发明所述的PQQ的制备方法,包括以下步骤:
(1)化合物I 5-甲基-2,4-二硝基苯甲醚与草酸二乙酯在碱的作用下发生缩合反应,制得化合物II 3-(5-甲氧基-2,4-二硝基)苯基丙酮酸乙酯;
(2)化合物II在还原剂作用下发生还原反应关环,制得化合物III 6-氨基-5-甲氧基-1H-吲哚-2-甲酸乙酯;
(3)化合物III与乙醛酸酯和丙酮酸酯在Lewis酸催化剂作用下在氧气氛围下发生三组分一锅反应,制得化合物IV 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三甲酸酯;
(4)化合物IV发生酯水解反应,制得化合物V 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三甲酸;
(5)化合物V在氧化剂Ce(NH4)2(NO3)6作用下发生氧化反应即制得PQQ;
具体的合成路线如下:
其中,R1、R2为C1~C6的烷基或C3~C6的环烷基。
优选的,步骤(1)中,草酸二乙酯相对于化合物I过量,溶剂为乙醇,回流反应;碱选自甲醇钠、乙醇钠、异丙醇钠、叔丁醇钠、氢化钠、氨基钠或三苯甲基钠。
优选的,步骤(2)中,所述还原剂为水合肼/raney Ni,回流反应至反应结束,反应过程采用TLC[展开剂:V(石油醚):V(乙酸乙酯)=1:1]跟踪反应进程。
优选的,步骤(2)中,所述还原剂为水合肼-活性炭/FeCl3+AlCl3,反应温度为70~80℃;所述还原剂中三氯化铁、三氯化铝与化合物II的物质的量的比为0.1~0.2:0.01~0.02:1;所述水合肼浓度为质量分数80%;反应过程采用TLC[展开剂:V(石油醚):V(乙酸乙酯)=1:1]跟踪反应进程。
优选的,步骤(2)中,所述还原剂为10%Pd-C/H2、raney Ni/H2、10%Pd-C/甲酸铵、铁粉或锌粉时,溶剂为乙醇,反应温度为55~65℃,还包括添加剂;所述添加剂为浓盐酸、醋酸、浓硫酸或对甲苯磺酸;所述浓盐酸的浓度为质量分数36~38%的盐酸;所述浓硫酸为质量分数98%的硫酸。
优选的,步骤(3)中,反应温度为40~100℃。
优选的,步骤(3)中,化合物III与丙酮酸酯和乙醛酸酯的摩尔比为1~1.5:1~1.2:1。
优选的,步骤(3)中,溶剂为乙腈、甲苯、苯、N,N-二甲基甲酰胺(DMF)或二甲基亚砜(DMSO)。
优选的,步骤(3)中,所述Lewis酸催化剂与乙醛酸酯物质的量之比0.005~0.15:1;所述Lewis酸催化剂为CuCl2、CuBr2、CuI2、Cu(OTf)2、Cu(OOCCH3)2、Zn(OTf)2、ZnCl2、ZnBr2、FeCl3.6H2O或FeBr3·6H2O。
有益效果:与现有技术相比,本发明具有如下显著优点:(1)本方法以廉价的5-甲基-2,4-二硝基苯甲醚为起始原料,通过五步即制备了PQQ,总收率最高达39%;(2)反应条件温和,操作简单,反应原料廉价、易得。
附图说明
图1为本发明合成路线;
图2为合成的PQQ二钠盐的HPLC图;
图3为合成的PQQ二钠盐的的核磁氢谱图。
具体实施方式
下面结合实施例对本发明的技术方案作进一步说明。
实施例1
化合物II 3-(5-甲氧基-2,4-二硝基)苯基丙酮酸乙酯的制备:将110mmol乙醇钠和100mL乙醇加入反应瓶中,搅拌混合均匀。将反应体系温度降至10℃左右,将100mmol化合物I加入,保温搅拌反应0.5h,再将105mmol草酸二乙酯滴入,滴完后将反应体系温度升至回流,并保温搅拌反应1h,停止反应,减压蒸去溶剂,加入100mL蒸馏水和100mL乙酸乙酯,搅拌后静置,分去水层,用乙酸乙酯洗涤水层,合并有机层,用无水硫酸钠干燥后减压蒸去溶剂,得粗产物,该粗产物不经纯化,直接进行下一步实验。
这里乙醇钠可以用甲醇钠、异丙醇钠、叔丁醇钠、氢化钠、氨基钠和三苯甲基钠代替。
实施例2
化合物III 6-氨基-5-甲氧基-1H-吲哚-2-甲酸乙酯的制备:向实施例1得到的化合物II中加入300mL乙醇和6g raneyNi,搅拌均匀后缓慢滴加600mmol质量分数80%水合肼,滴完后将反应体系温度升至回流,并保温搅拌反应2h,TLC[展开剂:V(石油醚):V(乙酸乙酯)=1:1]跟踪反应进程,反应结束后,冷却反应液至室温,过滤,滤渣用乙醇洗涤,合并滤液和洗液,减压蒸除乙醇,残留物用150mL乙酸乙酯分三次萃取,合并有机层,再用100mL水分两次洗涤后再用50mL饱和食盐水洗涤,无水硫酸镁干燥后减压蒸去大部分溶剂,加入少量石油醚,置于冰箱内重结晶,抽滤析出的固体,干燥得式(III)化合物,收率70%(以化合物I计)。
实施例3
化合物Ⅲ6-氨基-5-甲氧基-1H-吲哚-2-甲酸乙酯的制备:向实施例1得到的化合物II中加入300mL乙醇和25g铁粉,搅拌后加入100mL浓盐酸(质量分数36~38%),将反应体系温度升至回流,并保温反应5~6h,TLC[展开剂:V(石油醚):V(乙酸乙酯)=1:1]跟踪反应进程,反应结束后,冷却反应液至室温,过滤,减压蒸去乙醇,残留物中加入20%Na2CO3,调节溶液pH值至9左右,用150mL乙酸乙酯分三次萃取,合并有机层,再用100mL水分两次洗涤后再用50mL饱和食盐水洗涤,无水硫酸镁干燥后减压蒸去大部分溶剂,加入少量石油醚,置于冰箱内重结晶,抽滤析出的固体,干燥得化合物Ⅲ,收率60%(以化合物I计)。
这里铁粉可以用锌粉代替,添加剂浓盐酸可以用醋酸、硫酸、对甲苯磺酸等酸代替,得到的化合物Ⅲ的收率为50~61%。
实施例4
化合物III 6-氨基-5-甲氧基-1H-吲哚-2-甲酸乙酯的制备:向实施例1得到的化合物II中加入150乙醇和150mL水,将反应体系温度升至50℃,搅拌下加入8.0g活性炭、20mmol六水合三氯化铁、2mmol六水合三氯化铝,升温至75℃,缓慢滴加600mmol80%水合肼。滴毕再继续保温反应2h,TLC[展开剂:V(石油醚):V(乙酸乙酯)=1:1]跟踪反应进程,反应结束后,冷却反应液至室温,过滤,滤渣用乙醇洗涤,合并滤液和洗液,减压蒸除乙醇,残留物用150mL乙酸乙酯分三次萃取,合并有机层,再用100mL水分两次洗涤后再用50mL饱和食盐水洗涤,无水硫酸镁干燥后减压蒸去大部分溶剂,加入少量石油醚,置于冰箱内重结晶,抽滤析出的固体,干燥得化合物Ⅲ,收率55%(以化合物I计)。
实施例5
化合物III 6-氨基-5-甲氧基-1H-吲哚-2-甲酸乙酯的制备:向实施例1得到的化合物II中加入300mL乙醇,搅拌均匀后加入100mL浓盐酸(质量分数36~38%)和8.5g 10%钯碳,真空置换氢气3次,加压至0.15~0.2MPa,将反应体系温度升至60℃,并保温反应16~20h,反应结束,反应液冷却至室温后,用硅藻土滤去钯碳,加入质量分数20%Na2CO3水溶液,调节溶液pH值至9左右,减压蒸去乙醇,残留物用150mL乙酸乙酯分三次萃取,合并有机层,再用100mL水分两次洗涤后再用50mL饱和食盐水洗涤,无水硫酸镁干燥后减压蒸去大部分溶剂,加入少量石油醚,置于冰箱内重结晶,抽滤析出的固体,干燥得化合物Ⅲ,收率66%(以化合物I计)。
这里还原剂10%钯碳/H2可以用10%钯碳/甲酸铵和raneyNi/H2代替,添加剂浓盐酸可以用醋酸、硫酸、对甲苯磺酸等酸代替。
实施例6
化合物IV 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三羧酸-2,7-二乙酯-9-甲酯的制备:将20mmol化合物Ⅲ、20mmol乙醛酸乙酯、20mmol丙酮酸甲酯和30mL乙腈加入反应瓶中,搅拌溶解后,混合液在80℃氧气氛围中搅拌反应过夜,停止反应,冷却至室温,减压蒸除溶剂,加入50mL水搅拌,再用60mL乙酸乙酯分三次萃取,合并有机层,用无水硫酸钠干燥后减压蒸去大部分溶剂,加入30mL石油醚,置于冰箱内重结晶,抽滤析出的固体,干燥得化合物IV,收率17%。
实施例7
化合物IV 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三羧酸-2,7-二乙酯-9-甲酯的制备:将20mmol化合物Ⅲ、20mmol乙醛酸乙酯、20mmol丙酮酸甲酯和30mL乙腈加入反应瓶中,搅拌溶解后,再加入2mmolCuBr2。混合液在80℃氧气氛围中搅拌反应过夜,停止反应,冷却至室温,减压蒸除溶剂,加入50mL水搅拌,再用60mL乙酸乙酯分三次萃取,合并有机层,用无水硫酸钠干燥后减压蒸去大部分溶剂,加入30mL石油醚,置于冰箱内重结晶,抽滤析出的固体,干燥得化合物IV,收率70%。
实施例8
化合物IV 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三羧酸-2,7-二乙酯-9-甲酯的制备:将30mmol化合物Ⅲ、20mmol乙醛酸乙酯、20mmol丙酮酸甲酯和30mL乙腈加入反应瓶中,搅拌溶解后,再加入2mmol CuBr2。混合液在80℃氧气氛围中搅拌反应过夜(24h),停止反应,冷却至室温,减压蒸除溶剂,加入50mL水搅拌,再用60mL乙酸乙酯分三次萃取,合并有机层,用无水硫酸钠干燥后减压蒸去大部分溶剂,加入30mL石油醚,置于冰箱内重结晶,抽滤析出的固体,干燥得化合物IV,收率80%。
实施例9
化合物IV 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三羧酸-2,7-二乙酯-9-甲酯的制备:将30mmol化合物Ⅲ、20mmol乙醛酸乙酯、24mmol丙酮酸甲酯和30mL乙腈加入反应瓶中,搅拌溶解后,再加入2mmolCuBr2。混合液在80℃氧气氛围中搅拌反应过夜(24h),停止反应,冷却至室温,减压蒸除溶剂,加入50mL水搅拌,再用60mL乙酸乙酯分三次萃取,合并有机层,用无水硫酸钠干燥后减压蒸去大部分溶剂,加入30mL石油醚,置于冰箱内重结晶,抽滤析出的固体,干燥得化合物IV,收率86%。
在实施例9的基础上,乙醛酸乙酯可以用乙醛酸甲酯、乙醛酸环戊酯、乙醛酸环己酯代替;丙酮酸甲酯可以用丙酮酸乙酯、丙酮酸丙酯、丙酮酸环戊酯代替,得到系列5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三甲酸2-乙酯7,9二烷基酯;催化剂可以用CuCl2、CuI2、Cu(OTf)2、Cu(OOCCH3)2、Zn(OTf)2、ZnCl2、ZnBr2、FeCl3.6H2O、FeBr3.6H2O等代替;溶剂可以用甲苯、苯、DMF、DMSO等代替;反应温度可以在40~100℃之间调整;其他条件不变,反应的实验结果见下表。
表1实施例10-30的制备条件和结果
实施例31
化合物V 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三甲酸的制备:将25mmol 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三羧酸-2,7-二乙酯-9-甲酯和200mL乙醇加入反应瓶中,搅拌后,将反应体系温度降到10℃,滴加1N氢氧化钠溶液100mL,滴完后将反应体系温度升至室温,并搅拌过夜(24h)。减压蒸去乙醇,将反应液置于冰水浴中,滴入2N的盐酸调节pH至5左右,析出大量固体,过滤,滤饼用蒸馏水洗涤,得化合物Ⅴ5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三甲酸的粗固体,该粗产物不经纯化,直接进行下一步实验。
这里,5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三羧酸-2,7-二乙酯-9-甲酯可以用实施例10~30合成的系列5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三羧酸-2-乙酯-7,9-二烷基酯代替。
实施例32
PQQ的制备:向实施例31制得的化合物Ⅴ中加入200mLTHF,将反应体系温度降到-10℃,搅拌下滴加含有100mmol Ce(NH4)2(NO3)6的100mL水溶液,滴完后保温反应1h,将200mL冷水加入,搅拌0.5h,过滤,滤液用300mL二氯甲烷萃取3次,干燥后减压蒸去溶剂,向残留物中加入30mL乙酸乙酯和石油醚的混合溶液打浆,过滤,收集固体,再向固体中加入300mL二氯甲烷和4g硅胶,室温搅拌1h,过滤,用硅藻土滤去硅胶,减压蒸去溶剂,固体干燥后得PQQ,收率63%(以化合物IV 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三羧酸-2,7-二乙酯-9-甲酯计)。
结构表征
将制备的PQQ 10g加入500mL水中,搅拌成悬浊液,加入1N氢氧化钠调节pH至8.5,搅拌至全溶,过滤,搅拌下向得到的滤液中缓慢加入盐酸调节pH至3.5左右;通过截留分子量150-300D的纳滤膜纳滤脱盐,纯化水洗涤至透出液电导率≤50μS/cm,减压浓缩结晶;抽滤析出的红色固体,50℃真空干燥,得晶体10.9g。对所得晶体进行结构检测和表征,HPLC测定其纯度为99.83%;阳离子色谱检测Na离子含量,结合HPLC外标法测得PQQ含量,求出该晶体所含PQQ与Na的物质量比为PQQ∶Na=1∶1.98,表明该晶体为PQQ二钠盐。对该二钠盐晶体进行了氢谱测定。氢谱数据为:1H NMR(500MHz,DMSO-d6)δ:8.62(s,1H),7.09(s,1H)。
Claims (5)
1.一种PQQ的制备方法,其特征在于,包括以下步骤:
(1)化合物I 5-甲基-2,4-二硝基苯甲醚与草酸二乙酯在碱的作用下发生缩合反应,制得化合物II 3-(5-甲氧基-2,4-二硝基)苯基丙酮酸乙酯;
(2)化合物II在还原剂作用下发生还原反应后关环,制得化合物III 6-氨基-5-甲氧基-1H-吲哚-2-甲酸乙酯;
(3)化合物III与乙醛酸酯和丙酮酸酯在Lewis酸催化剂作用下在氧气氛围下发生三组分一锅反应,制得化合物IV 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三甲酸酯;
(4)化合物IV发生酯水解反应,制得化合物V 5-甲氧基-1H-吡咯[2,3-f]喹啉-2,7,9-三甲酸;
(5)化合物V在氧化剂Ce(NH4)2(NO3)6作用下发生氧化反应即制得PQQ;
具体的合成路线如下:
;
其中,R1、R2为C1~C6的烷基或C3~C6的环烷基;
步骤(2)中,所述还原剂为水合肼/raney Ni,溶剂为乙醇,回流反应至反应结束;所述还原剂为水合肼-活性炭/FeCl3+AlCl3,反应温度为70~80℃,所述还原剂中三氯化铁、三氯化铝与化合物II的物质的量的比为0.1~0.2:0.01~0.02:1;所述还原剂为10% Pd-C/H2、raney Ni/H2、10% Pd-C/甲酸铵、铁粉或锌粉,还包括添加剂,反应温度为55~65℃,所述添加剂为浓盐酸、醋酸、浓硫酸或对甲苯磺酸;
步骤(3)中,所述Lewis酸催化剂为CuCl2、CuBr2、CuI2、Cu(OTf)2、Cu(OOCCH3)2、Zn(OTf)2、ZnCl2、ZnBr2、FeCl3.6H2O或FeBr3.6H2O;所述溶剂为乙腈、甲苯、苯、N,N-二甲基甲酰胺或二甲基亚砜;
步骤(5)中,所述氧化反应温度为-10℃。
2.根据权利要求1所述的PQQ的制备方法,其特征在于,步骤(3)中,所述反应温度为40~100℃。
3.根据权利要求1所述的PQQ的制备方法,其特征在于,步骤(3)中化合物III与丙酮酸酯和乙醛酸酯的摩尔比为1~1.5:1~1.2:1。
4.根据权利要求1所述的PQQ的制备方法,其特征在于,步骤(3)中,所述Lewis酸催化剂与乙醛酸酯物质的量之比0.005~0.15:1。
5.根据权利要求1所述的PQQ的制备方法,其特征在于,步骤(1)中,碱为甲醇钠、乙醇钠、异丙醇钠、叔丁醇钠、氢化钠、氨基钠或三苯甲基钠。
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