CN108047065A - 一种可减少副产物的邻氨基苯醚的制备方法 - Google Patents
一种可减少副产物的邻氨基苯醚的制备方法 Download PDFInfo
- Publication number
- CN108047065A CN108047065A CN201711303926.8A CN201711303926A CN108047065A CN 108047065 A CN108047065 A CN 108047065A CN 201711303926 A CN201711303926 A CN 201711303926A CN 108047065 A CN108047065 A CN 108047065A
- Authority
- CN
- China
- Prior art keywords
- reaction
- catalyst
- product
- etherified
- add
- 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
- 239000006227 byproduct Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims abstract description 21
- 239000000047 product Substances 0.000 claims abstract description 20
- 238000006266 etherification reaction Methods 0.000 claims abstract description 17
- GOJFAKBEASOYNM-UHFFFAOYSA-N 2-(2-aminophenoxy)aniline Chemical compound NC1=CC=CC=C1OC1=CC=CC=C1N GOJFAKBEASOYNM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000003054 catalyst Substances 0.000 claims description 37
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 239000012074 organic phase Substances 0.000 claims description 26
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 25
- FZKCAHQKNJXICB-UHFFFAOYSA-N 2,1-benzoxazole Chemical compound C1=CC=CC2=CON=C21 FZKCAHQKNJXICB-UHFFFAOYSA-N 0.000 claims description 21
- 239000012071 phase Substances 0.000 claims description 20
- BFCFYVKQTRLZHA-UHFFFAOYSA-N 1-chloro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1Cl BFCFYVKQTRLZHA-UHFFFAOYSA-N 0.000 claims description 19
- SXPWTBGAZSPLHA-UHFFFAOYSA-M cetalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SXPWTBGAZSPLHA-UHFFFAOYSA-M 0.000 claims description 19
- 229960000228 cetalkonium chloride Drugs 0.000 claims description 19
- 239000012043 crude product Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical group [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 12
- 239000012153 distilled water Substances 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000007868 Raney catalyst Substances 0.000 claims description 9
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims description 9
- 229910000564 Raney nickel Inorganic materials 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- XVIRIXVOLLJIPF-UHFFFAOYSA-N 1-nitro-2-(2-nitrophenoxy)benzene Chemical compound [O-][N+](=O)C1=CC=CC=C1OC1=CC=CC=C1[N+]([O-])=O XVIRIXVOLLJIPF-UHFFFAOYSA-N 0.000 claims description 8
- CFBYEGUGFPZCNF-UHFFFAOYSA-N 2-nitroanisole Chemical group COC1=CC=CC=C1[N+]([O-])=O CFBYEGUGFPZCNF-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- VMPITZXILSNTON-UHFFFAOYSA-N o-anisidine Chemical compound COC1=CC=CC=C1N VMPITZXILSNTON-UHFFFAOYSA-N 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- DSVGQVZAZSZEEX-UHFFFAOYSA-N [C].[Pt] Chemical compound [C].[Pt] DSVGQVZAZSZEEX-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
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- WWZQDPAPXXGSAD-UHFFFAOYSA-N 2-[2-[2-(2-aminophenyl)ethoxy]ethyl]aniline Chemical compound NC1=CC=CC=C1CCOCCC1=CC=CC=C1N WWZQDPAPXXGSAD-UHFFFAOYSA-N 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- -1 o-nitroanisole phenetole Chemical compound 0.000 claims 1
- 239000003444 phase transfer catalyst Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- 238000005191 phase separation Methods 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 8
- 150000002431 hydrogen Chemical class 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 5
- 239000012038 nucleophile Substances 0.000 description 5
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 4
- 238000006298 dechlorination reaction Methods 0.000 description 4
- ULHFFAFDSSHFDA-UHFFFAOYSA-N 1-amino-2-ethoxybenzene Chemical compound CCOC1=CC=CC=C1N ULHFFAFDSSHFDA-UHFFFAOYSA-N 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- XGLGESCVNJSAQY-UHFFFAOYSA-N 1-ethoxy-2-nitrobenzene Chemical compound CCOC1=CC=CC=C1[N+]([O-])=O XGLGESCVNJSAQY-UHFFFAOYSA-N 0.000 description 2
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical compound C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 description 2
- CHQVQXZFZHACQQ-UHFFFAOYSA-M benzyl(triethyl)azanium;bromide Chemical compound [Br-].CC[N+](CC)(CC)CC1=CC=CC=C1 CHQVQXZFZHACQQ-UHFFFAOYSA-M 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005882 aldol condensation reaction Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- JMDZDJNPYFJBEX-UHFFFAOYSA-N chlorobenzene;1-chloro-2-nitrobenzene Chemical group ClC1=CC=CC=C1.[O-][N+](=O)C1=CC=CC=C1Cl JMDZDJNPYFJBEX-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 150000002832 nitroso derivatives Chemical class 0.000 description 1
- 238000010534 nucleophilic substitution reaction Methods 0.000 description 1
- 238000003408 phase transfer catalysis Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711303926.8A CN108047065B (zh) | 2017-12-11 | 2017-12-11 | 一种可减少副产物的邻氨基苯醚的制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711303926.8A CN108047065B (zh) | 2017-12-11 | 2017-12-11 | 一种可减少副产物的邻氨基苯醚的制备方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108047065A true CN108047065A (zh) | 2018-05-18 |
| CN108047065B CN108047065B (zh) | 2019-02-12 |
Family
ID=62124048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711303926.8A Active CN108047065B (zh) | 2017-12-11 | 2017-12-11 | 一种可减少副产物的邻氨基苯醚的制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108047065B (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109053472A (zh) * | 2018-09-11 | 2018-12-21 | 安徽东至广信农化有限公司 | 一种加氢法合成邻氨基苯甲醚的方法 |
| CN110724063A (zh) * | 2019-11-21 | 2020-01-24 | 南京先进生物材料与过程装备研究院有限公司 | 一种采用微流场反应技术制备邻氨基苯甲醚的方法 |
| CN111187168A (zh) * | 2019-12-12 | 2020-05-22 | 中卫市鑫三元化工有限公司 | 一种使用硝基卤代苯生产硝基苯烷氧基醚的清洁生产工艺 |
| CN113264840A (zh) * | 2021-05-10 | 2021-08-17 | 河北旭阳能源有限公司 | 一种高效的邻氨基苯甲醚的绿色生产工艺 |
| CN114736128A (zh) * | 2022-03-10 | 2022-07-12 | 青岛科技大学 | 一种制备邻氨基苯醚的方法 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102845A (zh) * | 1985-04-01 | 1987-02-04 | 华东化工学院 | 硝基苯烷醚的合成方法 |
| US4954657A (en) * | 1987-11-07 | 1990-09-04 | Hoechst Aktiengesellschaft | Process for the preparation of o-nitrophenetole |
| JPH11147859A (ja) * | 1997-11-14 | 1999-06-02 | Fuso Chemical Co Ltd | アルコキシニトロ安息香酸及びアルコキシニトロトルエンの製造方法 |
| WO2006136402A1 (en) * | 2005-06-22 | 2006-12-28 | Develogen Aktiengesellschaft | Thienopyrimidines for pharmaceutical compositions |
| CN101284783A (zh) * | 2008-05-19 | 2008-10-15 | 江苏中丹集团股份有限公司 | 一种硝基苯醚类化合物的合成方法 |
| CN101492379A (zh) * | 2008-01-25 | 2009-07-29 | 南京理工大学 | 烷氧基苯胺的合成方法 |
| CN102344372A (zh) * | 2011-07-29 | 2012-02-08 | 江苏力达宁化工有限公司 | 一种邻硝基苯酚和邻硝基苯甲醚的合成方法 |
-
2017
- 2017-12-11 CN CN201711303926.8A patent/CN108047065B/zh active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102845A (zh) * | 1985-04-01 | 1987-02-04 | 华东化工学院 | 硝基苯烷醚的合成方法 |
| US4954657A (en) * | 1987-11-07 | 1990-09-04 | Hoechst Aktiengesellschaft | Process for the preparation of o-nitrophenetole |
| JPH11147859A (ja) * | 1997-11-14 | 1999-06-02 | Fuso Chemical Co Ltd | アルコキシニトロ安息香酸及びアルコキシニトロトルエンの製造方法 |
| WO2006136402A1 (en) * | 2005-06-22 | 2006-12-28 | Develogen Aktiengesellschaft | Thienopyrimidines for pharmaceutical compositions |
| CN101492379A (zh) * | 2008-01-25 | 2009-07-29 | 南京理工大学 | 烷氧基苯胺的合成方法 |
| CN101284783A (zh) * | 2008-05-19 | 2008-10-15 | 江苏中丹集团股份有限公司 | 一种硝基苯醚类化合物的合成方法 |
| CN102344372A (zh) * | 2011-07-29 | 2012-02-08 | 江苏力达宁化工有限公司 | 一种邻硝基苯酚和邻硝基苯甲醚的合成方法 |
Non-Patent Citations (3)
| Title |
|---|
| 吕小兰 等: "相转移催化合成邻硝基苯乙醚的研究", 《化学世界》 * |
| 姚蒙正 等: "《精细化工产品合成原理》", 30 April 1992, 中国石化出版社 * |
| 李丽霞 等: "四醚生产过程安全原理及安全控制技术", 《江苏工业学院学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109053472A (zh) * | 2018-09-11 | 2018-12-21 | 安徽东至广信农化有限公司 | 一种加氢法合成邻氨基苯甲醚的方法 |
| CN110724063A (zh) * | 2019-11-21 | 2020-01-24 | 南京先进生物材料与过程装备研究院有限公司 | 一种采用微流场反应技术制备邻氨基苯甲醚的方法 |
| CN110724063B (zh) * | 2019-11-21 | 2022-08-23 | 南京先进生物材料与过程装备研究院有限公司 | 一种采用微流场反应技术制备邻氨基苯甲醚的方法 |
| CN111187168A (zh) * | 2019-12-12 | 2020-05-22 | 中卫市鑫三元化工有限公司 | 一种使用硝基卤代苯生产硝基苯烷氧基醚的清洁生产工艺 |
| CN113264840A (zh) * | 2021-05-10 | 2021-08-17 | 河北旭阳能源有限公司 | 一种高效的邻氨基苯甲醚的绿色生产工艺 |
| CN114736128A (zh) * | 2022-03-10 | 2022-07-12 | 青岛科技大学 | 一种制备邻氨基苯醚的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108047065B (zh) | 2019-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108047065A (zh) | 一种可减少副产物的邻氨基苯醚的制备方法 | |
| CN103012111B (zh) | 一种2,4,5-三氟苯乙酸的制备方法 | |
| CN1191229C (zh) | 制备4-氨基二苯基胺的方法 | |
| KR20180099840A (ko) | 환식 알킬렌 우레아를 이의 상응하는 알킬렌 아민으로 전환시키는 방법 | |
| CN102060714A (zh) | 一种制备4-氨基二苯胺的方法 | |
| CN107915644A (zh) | 一种以对硝基氯苯为原料制备对氨基苯醚的方法 | |
| CN102372639A (zh) | 一种制备4-氨基二苯胺的方法 | |
| CN104447312A (zh) | 一种合成碳酸二甲酯的方法 | |
| CN104557557B (zh) | 一种用硝基氯苯间位油制备硝基苯甲醚的方法 | |
| CN101307000A (zh) | 以硝基苯甲醚和硝基氯苯混合物为原料制备氨基苯甲醚和苯胺的工艺 | |
| CN106866352A (zh) | 一种1,1-二氟-2-氯乙烯的制备方法 | |
| CN106748801A (zh) | 一种3,5‑二氯苯胺的合成方法 | |
| CN101560160A (zh) | 一种1-氨基-2,3-丙二醇的催化合成方法 | |
| CN101182295B (zh) | 2-氨基-5-氯三氟甲苯的合成方法 | |
| CN102010340A (zh) | 用负载Ni-B非晶态合金催化剂催化生产4-氨基二苯胺的方法 | |
| CN107434769A (zh) | 一种rt培司生产除盐方法 | |
| CN101863778A (zh) | 一种4-氨基二苯胺的生产方法 | |
| CN116283616B (zh) | 一种联产zf-10和bdmaee的方法 | |
| CN102603547B (zh) | 一类1-氨基-2-乙酰基蒽醌及其衍生物的合成新工艺 | |
| CN105481702B (zh) | 一锅法合成间氨基苯乙醚的方法 | |
| CN116253651A (zh) | 一种联产tmaeepa和bdmaee的方法 | |
| CN103772157B (zh) | 一种1-烷氧基-1,1,2,2-四氟乙烷的制备方法 | |
| CN108084040A (zh) | N,n,n′-三甲基-n′-羟乙基双氨基乙基醚的合成方法 | |
| CN114736128A (zh) | 一种制备邻氨基苯醚的方法 | |
| CN108250088A (zh) | N,n,n`-三甲基-n`-羟乙基双氨基乙基醚的制备方法 |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for preparing o-aminophenyl ether that can reduce by-products Granted publication date: 20190212 Pledgee: Industrial Bank Co.,Ltd. Taizhou Branch Pledgor: JIANGSU ZHONGDAN CHEMICAL TECHNOLOGY Co.,Ltd. Registration number: Y2024980013262 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190212 Pledgee: Industrial Bank Co.,Ltd. Taizhou Branch Pledgor: JIANGSU ZHONGDAN CHEMICAL TECHNOLOGY Co.,Ltd. Registration number: Y2024980013262 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for preparing ortho aminophenyl ether that can reduce by-products Granted publication date: 20190212 Pledgee: Industrial Bank Co.,Ltd. Taizhou Branch Pledgor: JIANGSU ZHONGDAN CHEMICAL TECHNOLOGY Co.,Ltd. Registration number: Y2025980011734 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |