CN110656347A - Electroreduction preparation method of olanzapine intermediate - Google Patents
Electroreduction preparation method of olanzapine intermediate Download PDFInfo
- Publication number
- CN110656347A CN110656347A CN201911018305.4A CN201911018305A CN110656347A CN 110656347 A CN110656347 A CN 110656347A CN 201911018305 A CN201911018305 A CN 201911018305A CN 110656347 A CN110656347 A CN 110656347A
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- CN
- China
- Prior art keywords
- electrode
- preparation
- cathode
- olanzapine
- methylthiophene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229960005017 olanzapine Drugs 0.000 title claims abstract description 40
- KVWDHTXUZHCGIO-UHFFFAOYSA-N olanzapine Chemical compound C1CN(C)CCN1C1=NC2=CC=CC=C2NC2=C1C=C(C)S2 KVWDHTXUZHCGIO-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000006722 reduction reaction Methods 0.000 claims abstract description 17
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 16
- NPXUFPFFHANGDL-UHFFFAOYSA-N 5-methyl-2-(2-nitroanilino)thiophene-3-carbonitrile Chemical compound S1C(C)=CC(C#N)=C1NC1=CC=CC=C1[N+]([O-])=O NPXUFPFFHANGDL-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000243 solution Substances 0.000 claims abstract description 13
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 10
- RSEACRIWQRAVPE-UHFFFAOYSA-N 2-(2-aminoanilino)-5-methylthiophene-3-carbonitrile Chemical compound S1C(C)=CC(C#N)=C1NC1=CC=CC=C1N RSEACRIWQRAVPE-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 5
- 238000010992 reflux Methods 0.000 claims abstract description 5
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 claims abstract description 4
- 239000011259 mixed solution Substances 0.000 claims abstract description 4
- 239000003792 electrolyte Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 18
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical group [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- 235000019270 ammonium chloride Nutrition 0.000 claims description 4
- 229940075397 calomel Drugs 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical compound Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910001868 water Inorganic materials 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 2
- XZXYQEHISUMZAT-UHFFFAOYSA-N 2-[(2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound CC1=CC=C(O)C(CC=2C(=CC=C(C)C=2)O)=C1 XZXYQEHISUMZAT-UHFFFAOYSA-N 0.000 claims description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 2
- 229910001369 Brass Inorganic materials 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 claims description 2
- 239000001099 ammonium carbonate Substances 0.000 claims description 2
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 2
- 229940107816 ammonium iodide Drugs 0.000 claims description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 2
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 2
- 239000010951 brass Substances 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 238000005341 cation exchange Methods 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 239000000543 intermediate Substances 0.000 abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 abstract description 5
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- QWXYZCJEXYQNEI-OSZHWHEXSA-N intermediate I Chemical compound COC(=O)[C@@]1(C=O)[C@H]2CC=[N+](C\C2=C\C)CCc2c1[nH]c1ccccc21 QWXYZCJEXYQNEI-OSZHWHEXSA-N 0.000 description 9
- 238000004809 thin layer chromatography Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 6
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 5
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 5
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 4
- ZTTWQKYKGNLCCA-UHFFFAOYSA-N 2-methyl-10H-thieno[2,3-b][1,5]benzodiazepin-4-amine Chemical compound N1C2=CC=CC=C2N=C(N)C2=C1SC(C)=C2 ZTTWQKYKGNLCCA-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 4
- -1 aniline compound Chemical class 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- QZAYGJVTTNCVMB-UHFFFAOYSA-N serotonin Chemical compound C1=C(O)C=C2C(CCN)=CNC2=C1 QZAYGJVTTNCVMB-UHFFFAOYSA-N 0.000 description 4
- 239000001119 stannous chloride Substances 0.000 description 4
- 235000011150 stannous chloride Nutrition 0.000 description 4
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 3
- 229910017833 NH2NH2.H2O Inorganic materials 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229960003638 dopamine Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 201000000980 schizophrenia Diseases 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 125000006519 CCH3 Chemical group 0.000 description 1
- 206010026749 Mania Diseases 0.000 description 1
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- 229910000564 Raney nickel Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- NSRVTWFLOSHWDX-UHFFFAOYSA-N Tremulin Natural products CC12CCCC(C)(C1CCC34CC(C(O)CC23)C(=C)C4=O)C(=O)O NSRVTWFLOSHWDX-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 239000005557 antagonist Substances 0.000 description 1
- 239000000164 antipsychotic agent Substances 0.000 description 1
- 239000003693 atypical antipsychotic agent Substances 0.000 description 1
- 229940127236 atypical antipsychotics Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229960004170 clozapine Drugs 0.000 description 1
- QZUDBNBUXVUHMW-UHFFFAOYSA-N clozapine Chemical compound C1CN(C)CCN1C1=NC2=CC(Cl)=CC=C2NC2=CC=CC=C12 QZUDBNBUXVUHMW-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 231100000025 genetic toxicology Toxicity 0.000 description 1
- 230000001738 genotoxic effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix 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
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/25—Reduction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
Description
Claims (10)
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CN201911018305.4A CN110656347B (en) | 2019-10-24 | 2019-10-24 | Electroreduction preparation method of olanzapine intermediate |
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CN201911018305.4A CN110656347B (en) | 2019-10-24 | 2019-10-24 | Electroreduction preparation method of olanzapine intermediate |
Publications (2)
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CN110656347A true CN110656347A (en) | 2020-01-07 |
CN110656347B CN110656347B (en) | 2020-10-02 |
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Family Applications (1)
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112079812A (en) * | 2020-09-29 | 2020-12-15 | 浙江大学 | Prazoles antipsychotic key intermediate and electroreduction method thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1605656A (en) * | 2004-09-01 | 2005-04-13 | 上海氯碱化工股份有限公司 | Process for electrolytic reduction preparation of metanilic acid |
CN101187032A (en) * | 2007-09-20 | 2008-05-28 | 华东师范大学 | P-aminoanisole electrochemical synthesis method |
CN101187033A (en) * | 2007-09-20 | 2008-05-28 | 华东师范大学 | O-aminoanisole electrochemical synthesis method |
CN101311179A (en) * | 2007-05-23 | 2008-11-26 | 华东理工大学 | Improved process for preparing thieno-benzodiazepine compounds |
CN101591787A (en) * | 2009-05-27 | 2009-12-02 | 浙江工业大学 | A kind of electrochemical method for synthesizing of atoxylate |
CN104846395A (en) * | 2015-06-02 | 2015-08-19 | 淮阴工学院 | Synthesis method of 3,4-dichloroaniline |
-
2019
- 2019-10-24 CN CN201911018305.4A patent/CN110656347B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1605656A (en) * | 2004-09-01 | 2005-04-13 | 上海氯碱化工股份有限公司 | Process for electrolytic reduction preparation of metanilic acid |
CN101311179A (en) * | 2007-05-23 | 2008-11-26 | 华东理工大学 | Improved process for preparing thieno-benzodiazepine compounds |
CN101187032A (en) * | 2007-09-20 | 2008-05-28 | 华东师范大学 | P-aminoanisole electrochemical synthesis method |
CN101187033A (en) * | 2007-09-20 | 2008-05-28 | 华东师范大学 | O-aminoanisole electrochemical synthesis method |
CN101591787A (en) * | 2009-05-27 | 2009-12-02 | 浙江工业大学 | A kind of electrochemical method for synthesizing of atoxylate |
CN104846395A (en) * | 2015-06-02 | 2015-08-19 | 淮阴工学院 | Synthesis method of 3,4-dichloroaniline |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112079812A (en) * | 2020-09-29 | 2020-12-15 | 浙江大学 | Prazoles antipsychotic key intermediate and electroreduction method thereof |
CN112079812B (en) * | 2020-09-29 | 2021-08-06 | 浙江大学 | Prazoles antipsychotic key intermediate and electroreduction method thereof |
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Effective date of registration: 20201028 Address after: 422000 Shaoyang province Hunan City Baoqing Industrial Zone Daxing Road No. 18 Patentee after: HUNAN PROVINCE XIANGZHONG PHARMACEUTICAL Co.,Ltd. Address before: 310013 No. 866 Tong Road, Xihu District, Zhejiang, Hangzhou, Yuhang Patentee before: ZHEJIANG University |
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Denomination of invention: A Method for Electroreduction Preparation of Olanzapine Intermediates Effective date of registration: 20230828 Granted publication date: 20201002 Pledgee: Bank of China Limited Shaoyang Branch Pledgor: Hunan Province Xiangzhong Pharmaceutical Co.,Ltd. Registration number: Y2023980054088 |