CN111530390B - 一种2,4-二氟-3-甲氧基苯甲酸的连续生产装置和方法 - Google Patents
一种2,4-二氟-3-甲氧基苯甲酸的连续生产装置和方法 Download PDFInfo
- Publication number
- CN111530390B CN111530390B CN202010396101.0A CN202010396101A CN111530390B CN 111530390 B CN111530390 B CN 111530390B CN 202010396101 A CN202010396101 A CN 202010396101A CN 111530390 B CN111530390 B CN 111530390B
- Authority
- CN
- China
- Prior art keywords
- reaction
- module
- quenching
- temperature zone
- difluorobenzene
- 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.)
- Active
Links
- KWLIGHXPUYUTBH-UHFFFAOYSA-N 2,4-difluoro-3-methoxybenzoic acid Chemical compound COC1=C(F)C=CC(C(O)=O)=C1F KWLIGHXPUYUTBH-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010924 continuous production Methods 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 185
- 238000010791 quenching Methods 0.000 claims abstract description 113
- 230000000171 quenching effect Effects 0.000 claims abstract description 113
- 238000000926 separation method Methods 0.000 claims abstract description 79
- 238000007069 methylation reaction Methods 0.000 claims abstract description 35
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 25
- 238000005885 boration reaction Methods 0.000 claims abstract description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000001257 hydrogen Substances 0.000 claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 18
- 238000006473 carboxylation reaction Methods 0.000 claims abstract description 14
- 239000012295 chemical reaction liquid Substances 0.000 claims description 79
- UEMGWPRHOOEKTA-UHFFFAOYSA-N 1,3-difluorobenzene Chemical compound FC1=CC=CC(F)=C1 UEMGWPRHOOEKTA-UHFFFAOYSA-N 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 28
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 28
- 238000002347 injection Methods 0.000 claims description 28
- 239000007924 injection Substances 0.000 claims description 28
- 229910052744 lithium Inorganic materials 0.000 claims description 28
- 238000000605 extraction Methods 0.000 claims description 21
- 239000004327 boric acid Substances 0.000 claims description 18
- 239000007800 oxidant agent Substances 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 230000001590 oxidative effect Effects 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- 239000007795 chemical reaction product Substances 0.000 claims description 12
- 239000003153 chemical reaction reagent Substances 0.000 claims description 12
- 230000011987 methylation Effects 0.000 claims description 12
- -1 boric acid ester Chemical class 0.000 claims description 11
- GOYDNIKZWGIXJT-UHFFFAOYSA-N 1,2-difluorobenzene Chemical group FC1=CC=CC=C1F GOYDNIKZWGIXJT-UHFFFAOYSA-N 0.000 claims description 9
- IOBWAHRFIPQEQL-UHFFFAOYSA-N 1,3-difluoro-2-methoxybenzene Chemical group COC1=C(F)C=CC=C1F IOBWAHRFIPQEQL-UHFFFAOYSA-N 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 9
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical class OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- 239000012442 inert solvent Substances 0.000 claims description 9
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 claims description 8
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 claims description 8
- 239000012022 methylating agents Substances 0.000 claims description 7
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 6
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 6
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 6
- 125000001979 organolithium group Chemical group 0.000 claims description 5
- MXJGZAMERDEUKM-UHFFFAOYSA-N N[Li].C[Si](N[Si](C)(C)C)(C)C Chemical compound N[Li].C[Si](N[Si](C)(C)C)(C)C MXJGZAMERDEUKM-UHFFFAOYSA-N 0.000 claims description 4
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 claims description 4
- CCZVEWRRAVASGL-UHFFFAOYSA-N lithium;2-methanidylpropane Chemical compound [Li+].CC(C)[CH2-] CCZVEWRRAVASGL-UHFFFAOYSA-N 0.000 claims description 4
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 claims description 4
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 claims description 4
- SZAVVKVUMPLRRS-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].C[CH-]C SZAVVKVUMPLRRS-UHFFFAOYSA-N 0.000 claims description 4
- XBEREOHJDYAKDA-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].CC[CH2-] XBEREOHJDYAKDA-UHFFFAOYSA-N 0.000 claims description 4
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims description 3
- NHQDETIJWKXCTC-UHFFFAOYSA-N 3-chloroperbenzoic acid Chemical compound OOC(=O)C1=CC=CC(Cl)=C1 NHQDETIJWKXCTC-UHFFFAOYSA-N 0.000 claims description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 3
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 claims description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 3
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical group O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 claims description 3
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 claims description 3
- OIRDBPQYVWXNSJ-UHFFFAOYSA-N methyl trifluoromethansulfonate Chemical compound COS(=O)(=O)C(F)(F)F OIRDBPQYVWXNSJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- LGQXXHMEBUOXRP-UHFFFAOYSA-N tributyl borate Chemical compound CCCCOB(OCCCC)OCCCC LGQXXHMEBUOXRP-UHFFFAOYSA-N 0.000 claims description 3
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 claims description 3
- LTEHWCSSIHAVOQ-UHFFFAOYSA-N tripropyl borate Chemical compound CCCOB(OCCC)OCCC LTEHWCSSIHAVOQ-UHFFFAOYSA-N 0.000 claims description 3
- AVDQPSCBUPTTKR-UHFFFAOYSA-N 1-tert-butylperoxybutan-1-ol Chemical compound CCCC(O)OOC(C)(C)C AVDQPSCBUPTTKR-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 32
- 230000035484 reaction time Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000012450 pharmaceutical intermediate Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 38
- 239000002994 raw material Substances 0.000 description 17
- 239000000047 product Substances 0.000 description 14
- 238000004811 liquid chromatography Methods 0.000 description 8
- 238000005070 sampling Methods 0.000 description 7
- 239000003814 drug Substances 0.000 description 6
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 229940079593 drug Drugs 0.000 description 4
- LISFMEBWQUVKPJ-UHFFFAOYSA-N quinolin-2-ol Chemical compound C1=CC=C2NC(=O)C=CC2=C1 LISFMEBWQUVKPJ-UHFFFAOYSA-N 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 229940072132 quinolone antibacterials Drugs 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 2
- 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 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- CKKOVFGIBXCEIJ-UHFFFAOYSA-N 2,6-difluorophenol Chemical compound OC1=C(F)C=CC=C1F CKKOVFGIBXCEIJ-UHFFFAOYSA-N 0.000 description 1
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 241000192125 Firmicutes Species 0.000 description 1
- RJQXTJLFIWVMTO-TYNCELHUSA-N Methicillin Chemical compound COC1=CC=CC(OC)=C1C(=O)N[C@@H]1C(=O)N2[C@@H](C(O)=O)C(C)(C)S[C@@H]21 RJQXTJLFIWVMTO-TYNCELHUSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N butyl alcohol Substances CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005112 continuous flow technique Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229960003085 meticillin Drugs 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0093—Microreactors, e.g. miniaturised or microfabricated reactors
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0046—Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/16—Preparation of ethers by reaction of esters of mineral or organic acids with hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/15—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/025—Boronic and borinic acid compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
流动相 | 乙腈:磷酸(pH2.5)=50(v):50(v) |
波长 | 254nm,检测器为紫外可见吸收检测器 |
流速 | 1.0mL/min |
温度 | 30℃ |
色谱柱 | InertsilODS-SP柱 |
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010396101.0A CN111530390B (zh) | 2020-05-12 | 2020-05-12 | 一种2,4-二氟-3-甲氧基苯甲酸的连续生产装置和方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010396101.0A CN111530390B (zh) | 2020-05-12 | 2020-05-12 | 一种2,4-二氟-3-甲氧基苯甲酸的连续生产装置和方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111530390A CN111530390A (zh) | 2020-08-14 |
CN111530390B true CN111530390B (zh) | 2020-12-15 |
Family
ID=71977689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010396101.0A Active CN111530390B (zh) | 2020-05-12 | 2020-05-12 | 一种2,4-二氟-3-甲氧基苯甲酸的连续生产装置和方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111530390B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116283506A (zh) * | 2023-02-20 | 2023-06-23 | 上海荟银化学技术有限公司 | 一种基于连续流反应技术制备3,4,5-三氟苯酚的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1431189A (zh) * | 2003-01-24 | 2003-07-23 | 中国科学院上海有机化学研究所 | 2,4-二卤素-3-二氟甲氧基苯甲酸烷基酯、合成方法及用途 |
CN105348045A (zh) * | 2015-11-25 | 2016-02-24 | 黑龙江鑫创生物科技开发有限公司 | 一种利用连续流反应合成五氟苯酚的方法 |
CN105753835A (zh) * | 2016-04-11 | 2016-07-13 | 黑龙江鑫创生物科技开发有限公司 | 一种合成2-(4-氟苯基)噻吩的方法 |
CN106365978A (zh) * | 2016-08-31 | 2017-02-01 | 绍兴上虞华伦化工有限公司 | 一种2,3‑二氟‑6‑甲氧基苯甲酸的制备方法 |
CN107445959A (zh) * | 2017-09-21 | 2017-12-08 | 河北诚信有限责任公司 | 一种2‑氮杂双环[2.2.1]‑庚‑5‑烯‑3‑酮的制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7915418B2 (en) * | 2003-06-06 | 2011-03-29 | Daiichi Pharmaceutical Co., Ltd. | Intermediates and process for the production of optically active quinolonecarboxylic acid derivatives |
-
2020
- 2020-05-12 CN CN202010396101.0A patent/CN111530390B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1431189A (zh) * | 2003-01-24 | 2003-07-23 | 中国科学院上海有机化学研究所 | 2,4-二卤素-3-二氟甲氧基苯甲酸烷基酯、合成方法及用途 |
CN105348045A (zh) * | 2015-11-25 | 2016-02-24 | 黑龙江鑫创生物科技开发有限公司 | 一种利用连续流反应合成五氟苯酚的方法 |
CN105753835A (zh) * | 2016-04-11 | 2016-07-13 | 黑龙江鑫创生物科技开发有限公司 | 一种合成2-(4-氟苯基)噻吩的方法 |
CN106365978A (zh) * | 2016-08-31 | 2017-02-01 | 绍兴上虞华伦化工有限公司 | 一种2,3‑二氟‑6‑甲氧基苯甲酸的制备方法 |
CN107445959A (zh) * | 2017-09-21 | 2017-12-08 | 河北诚信有限责任公司 | 一种2‑氮杂双环[2.2.1]‑庚‑5‑烯‑3‑酮的制备方法 |
Non-Patent Citations (1)
Title |
---|
"奈诺沙星关键中间体2,4-二氟-3-甲氧基苯甲酸的合成";袁其亮等;《中国医药工业杂志》;20191231;第50卷(第6期);第623-625页 * |
Also Published As
Publication number | Publication date |
---|---|
CN111530390A (zh) | 2020-08-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111484537B (zh) | 一种利用微通道反应装置制备瑞德西韦关键中间体的方法 | |
CN112221444B (zh) | 一种连续合成烯草酮的系统及方法 | |
CN111530390B (zh) | 一种2,4-二氟-3-甲氧基苯甲酸的连续生产装置和方法 | |
CN111548383A (zh) | 一种β-烟酰胺单核苷酸的工艺制备方法 | |
CN111440215B (zh) | 一种微通道反应装置制备瑞德西韦的方法 | |
CN111349049B (zh) | 一种法匹拉韦及其中间体的合成工艺 | |
CN113264845A (zh) | 一种使用微反应系统连续制备氯霉素的方法 | |
CN104017001A (zh) | 一种化学合成莫西克汀的方法 | |
CN113943252A (zh) | 吡唑烷基磺酰氟化合物及其制备方法 | |
CN102453044A (zh) | 一种利用微反应技术制备比阿培南的方法 | |
CN114933611A (zh) | 一种连续制备培南类抗生素中间体4-乙酰氧基氮杂环丁酮的方法 | |
CN106279194A (zh) | 一种利用微反应器制备钠-葡萄糖协同转运酶抑制剂中间体的方法 | |
CN104725326B (zh) | 一种喹唑啉酮类化合物的合成方法 | |
CN113121327A (zh) | 一种3-烯丙基-2-羟基苯甲醛的连续合成方法及其反应装置 | |
JP2022547196A (ja) | 2,6-ジヒドロキシベンズアルデヒドの連続製造装置及びその使用 | |
CN110684019A (zh) | 一种替格瑞洛中间体氧化物杂质的制备方法 | |
CN112321524B (zh) | 一种采用微通道反应器连续制备3,4-双(4’-氨基呋咱-3’-基)氧化呋咱的方法 | |
CN113024518A (zh) | 一种厄达替尼的制备方法 | |
CN116178250A (zh) | 一种利用微通道反应器制备2-氨基-5-硝基吡啶的方法 | |
CN112279855B (zh) | 一种利用微通道反应器连续制备瑞德西韦中间体的方法 | |
CN114716368B (zh) | 2-氯-3-氨基吡啶及其盐酸盐的制备方法 | |
CN110194760B (zh) | 制备3-亚苄基-2-(7’-喹啉)-2,3-二氢-异吲哚-1-酮类化合物的方法 | |
CN114773511B (zh) | 一种含甘露糖聚合物及其制备方法 | |
CN112608259B (zh) | 一种3-巯基丙酸的合成方法 | |
CN116063363B (zh) | 一种利用间歇式微通道反应器合成甲维盐中间体的工艺 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20200814 Assignee: ZHEJIANG XIANFENG SCIENCE TECHNOLOGY Co.,Ltd. Assignor: TAIZHOU University Contract record no.: X2022110000062 Denomination of invention: Continuous production device and method of 2,4-difluoro-3-methoxybenzoic acid Granted publication date: 20201215 License type: Common License Record date: 20221026 Application publication date: 20200814 Assignee: ZHEJIANG ZHONGXIN FLUORINE MATERIALS Co.,Ltd. Assignor: TAIZHOU University Contract record no.: X2022110000063 Denomination of invention: Continuous production device and method of 2,4-difluoro-3-methoxybenzoic acid Granted publication date: 20201215 License type: Common License Record date: 20221026 |
|
EE01 | Entry into force of recordation of patent licensing contract |