CN103992229B - 一种3,5-二甲基苯胺的制备方法 - Google Patents
一种3,5-二甲基苯胺的制备方法 Download PDFInfo
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- CN103992229B CN103992229B CN201410209483.6A CN201410209483A CN103992229B CN 103992229 B CN103992229 B CN 103992229B CN 201410209483 A CN201410209483 A CN 201410209483A CN 103992229 B CN103992229 B CN 103992229B
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- xylidine
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- reaction
- xylene
- xylidines
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- MKARNSWMMBGSHX-UHFFFAOYSA-N 3,5-dimethylaniline Chemical group CC1=CC(C)=CC(N)=C1 MKARNSWMMBGSHX-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 230000003197 catalytic effect Effects 0.000 claims abstract description 3
- 238000006042 reductive dechlorination reaction Methods 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- 150000004982 aromatic amines Chemical class 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 8
- 238000006396 nitration reaction Methods 0.000 claims description 8
- 239000011541 reaction mixture Substances 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 8
- 235000017550 sodium carbonate Nutrition 0.000 claims description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910000564 Raney nickel Inorganic materials 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- 238000006298 dechlorination reaction Methods 0.000 claims description 5
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 238000010979 pH adjustment Methods 0.000 claims description 2
- 239000007790 solid phase Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- CDULGHZNHURECF-UHFFFAOYSA-N 2,3-dimethylaniline 2,4-dimethylaniline 2,5-dimethylaniline 2,6-dimethylaniline 3,4-dimethylaniline 3,5-dimethylaniline Chemical group CC1=CC=C(N)C(C)=C1.CC1=CC=C(C)C(N)=C1.CC1=CC(C)=CC(N)=C1.CC1=CC=C(N)C=C1C.CC1=CC=CC(N)=C1C.CC1=CC=CC(C)=C1N CDULGHZNHURECF-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 8
- 238000009835 boiling Methods 0.000 description 6
- 238000005984 hydrogenation reaction Methods 0.000 description 4
- CZZZABOKJQXEBO-UHFFFAOYSA-N 2,4-dimethylaniline Chemical group CC1=CC=C(N)C(C)=C1 CZZZABOKJQXEBO-UHFFFAOYSA-N 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003905 agrochemical Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- GLLRIXZGBQOFLM-UHFFFAOYSA-N Xanthorin Natural products C1=C(C)C=C2C(=O)C3=C(O)C(OC)=CC(O)=C3C(=O)C2=C1O GLLRIXZGBQOFLM-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000010959 commercial synthesis reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006193 diazotization reaction Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000003822 preparative gas chromatography Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical class SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
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Claims (7)
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CN201410209483.6A CN103992229B (zh) | 2014-05-19 | 2014-05-19 | 一种3,5-二甲基苯胺的制备方法 |
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CN201410209483.6A CN103992229B (zh) | 2014-05-19 | 2014-05-19 | 一种3,5-二甲基苯胺的制备方法 |
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CN103992229A CN103992229A (zh) | 2014-08-20 |
CN103992229B true CN103992229B (zh) | 2016-01-27 |
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CN114890901A (zh) * | 2022-06-17 | 2022-08-12 | 老河口华辰化学有限公司 | 一种2-氯-3-硝基甲苯一步法合成间甲苯胺的合成方法 |
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US4532353A (en) * | 1983-06-16 | 1985-07-30 | Monsanto Co. | Substituted benzotrifluoride compounds as chemical intermediates and a process for their preparation |
US5117063A (en) * | 1991-06-21 | 1992-05-26 | Monsanto Company | Method of preparing 4-aminodiphenylamine |
CN102010340A (zh) * | 2010-06-25 | 2011-04-13 | 天津市有机化工一厂 | 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 |
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SE01 | Entry into force of request for substantive examination | ||
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Address after: 324202 Changshan County, Zhejiang Province Ecological Industrial Park, Sheng Sheng Road Patentee after: ZHEJIANG EVER JOINT NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: 324202 Changshan County, Zhejiang Province Ecological Industrial Park, Sheng Sheng Road Patentee before: ZHEJIANG EVER JIONT CHEMICAL CO.,LTD. |
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PE01 | Entry into force 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 preparation method of 3,5-dimethylaniline Effective date of registration: 20231226 Granted publication date: 20160127 Pledgee: Zhejiang Changshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG EVER JOINT NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2023330003114 |