CN111303047B - 一种2-氨基-4,6-二甲基吡啶的合成方法 - Google Patents
一种2-氨基-4,6-二甲基吡啶的合成方法 Download PDFInfo
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- CN111303047B CN111303047B CN202010226802.XA CN202010226802A CN111303047B CN 111303047 B CN111303047 B CN 111303047B CN 202010226802 A CN202010226802 A CN 202010226802A CN 111303047 B CN111303047 B CN 111303047B
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- amino
- lutidine
- reaction
- stirring
- cooling
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- BRBUBVKGJRPRRD-UHFFFAOYSA-N 4,6-dimethylpyridin-2-amine Chemical compound CC1=CC(C)=NC(N)=C1 BRBUBVKGJRPRRD-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000001308 synthesis method Methods 0.000 title claims abstract description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 239000000047 product Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 16
- 239000012043 crude product Substances 0.000 claims abstract description 14
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 11
- 238000001723 curing Methods 0.000 claims abstract description 10
- 238000004821 distillation Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 6
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims abstract description 6
- 239000012074 organic phase Substances 0.000 claims abstract description 6
- 238000007864 suspending Methods 0.000 claims abstract description 6
- 238000010791 quenching Methods 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 42
- 238000003756 stirring Methods 0.000 claims description 25
- ZFXMWBGQRGABCI-UHFFFAOYSA-N 6-amino-2,4-dimethylpyridine-3-carbonitrile Chemical compound CC1=CC(N)=NC(C)=C1C#N ZFXMWBGQRGABCI-UHFFFAOYSA-N 0.000 claims description 10
- 238000007792 addition Methods 0.000 claims description 9
- 238000000967 suction filtration Methods 0.000 claims description 9
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 6
- 239000012065 filter cake Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000002194 synthesizing effect Effects 0.000 claims description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 4
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 6
- 238000003786 synthesis reaction Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- 238000009776 industrial production Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- DELJOESCKJGFML-DUXPYHPUSA-N (e)-3-aminobut-2-enenitrile Chemical compound C\C(N)=C/C#N DELJOESCKJGFML-DUXPYHPUSA-N 0.000 description 3
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- PRAFLUMTYHBEHE-UHFFFAOYSA-N 2,6-dimethyl-1h-pyridin-4-one Chemical compound CC1=CC(O)=CC(C)=N1 PRAFLUMTYHBEHE-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 208000012839 conversion disease Diseases 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 230000005070 ripening Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WCXDHFDTOYPNIE-RIYZIHGNSA-N (E)-acetamiprid Chemical compound N#C/N=C(\C)N(C)CC1=CC=C(Cl)N=C1 WCXDHFDTOYPNIE-RIYZIHGNSA-N 0.000 description 1
- XWKFPIODWVPXLX-UHFFFAOYSA-N 2-methyl-5-methylpyridine Natural products CC1=CC=C(C)N=C1 XWKFPIODWVPXLX-UHFFFAOYSA-N 0.000 description 1
- 239000005875 Acetamiprid Substances 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000004287 Dehydroacetic acid Substances 0.000 description 1
- 208000033830 Hot Flashes Diseases 0.000 description 1
- 206010060800 Hot flush Diseases 0.000 description 1
- 239000005906 Imidacloprid Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- JEQRBTDTEKWZBW-UHFFFAOYSA-N dehydroacetic acid Chemical compound CC(=O)C1=C(O)OC(C)=CC1=O JEQRBTDTEKWZBW-UHFFFAOYSA-N 0.000 description 1
- 229940061632 dehydroacetic acid Drugs 0.000 description 1
- PGRHXDWITVMQBC-UHFFFAOYSA-N dehydroacetic acid Natural products CC(=O)C1C(=O)OC(C)=CC1=O PGRHXDWITVMQBC-UHFFFAOYSA-N 0.000 description 1
- 235000019258 dehydroacetic acid Nutrition 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- YWTYJOPNNQFBPC-UHFFFAOYSA-N imidacloprid Chemical compound [O-][N+](=O)\N=C1/NCCN1CC1=CC=C(Cl)N=C1 YWTYJOPNNQFBPC-UHFFFAOYSA-N 0.000 description 1
- 229940056881 imidacloprid Drugs 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/32—One oxygen, sulfur or nitrogen atom
- C07D239/42—One nitrogen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (2)
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CN202010226802.XA CN111303047B (zh) | 2020-03-27 | 2020-03-27 | 一种2-氨基-4,6-二甲基吡啶的合成方法 |
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CN202010226802.XA CN111303047B (zh) | 2020-03-27 | 2020-03-27 | 一种2-氨基-4,6-二甲基吡啶的合成方法 |
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CN111303047A CN111303047A (zh) | 2020-06-19 |
CN111303047B true CN111303047B (zh) | 2023-04-25 |
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CN115636782B (zh) * | 2022-11-07 | 2024-07-19 | 浙江工业大学 | 一种多芳基取代吡啶的合成方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06287176A (ja) * | 1993-04-02 | 1994-10-11 | Ichikawa Gosei Kagaku Kk | 2−アミノ−3−ニトロピリジン類の製造方法 |
CN1915976A (zh) * | 2006-09-08 | 2007-02-21 | 中国药科大学 | 5-氯-4-羟基-2(1h)-吡啶酮的制备方法及中间体 |
WO2015171526A2 (en) * | 2014-05-05 | 2015-11-12 | Global Blood Therapeutics, Inc. | Tricyclic pyrazolopyridine compounds |
CN109476600A (zh) * | 2016-05-16 | 2019-03-15 | 拜欧赛里克斯公司 | 吡啶硫酮、其药物组合物及其用于治疗增殖性、炎症性、神经变性或免疫-介导的疾病的治疗用途 |
-
2020
- 2020-03-27 CN CN202010226802.XA patent/CN111303047B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06287176A (ja) * | 1993-04-02 | 1994-10-11 | Ichikawa Gosei Kagaku Kk | 2−アミノ−3−ニトロピリジン類の製造方法 |
CN1915976A (zh) * | 2006-09-08 | 2007-02-21 | 中国药科大学 | 5-氯-4-羟基-2(1h)-吡啶酮的制备方法及中间体 |
WO2015171526A2 (en) * | 2014-05-05 | 2015-11-12 | Global Blood Therapeutics, Inc. | Tricyclic pyrazolopyridine compounds |
CN109476600A (zh) * | 2016-05-16 | 2019-03-15 | 拜欧赛里克斯公司 | 吡啶硫酮、其药物组合物及其用于治疗增殖性、炎症性、神经变性或免疫-介导的疾病的治疗用途 |
Non-Patent Citations (1)
Title |
---|
Coumarins. VI. Acid-catalyzed reaction of phenols with β-aminocrotononitrile;Kikumasa SATO,et al;《Bulletin of the Chemical Society of Japan》;19691231;第42卷(第8期);2319-2323 * |
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CB03 | Change of inventor or designer information |
Inventor after: Kan Hongzhu Inventor after: Hai Long Inventor after: Ling Qing Inventor after: Jiang Su Inventor after: Xu Jiuzhen Inventor before: Kan Hongzhu Inventor before: Hai Long Inventor before: Ling Bo Inventor before: Jiang Su Inventor before: Xu Jiuzhen |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A synthesis method of 2-amino-4,6-dimethylpyridine Granted publication date: 20230425 Pledgee: Luwan Sub branch of Bank of Shanghai Co.,Ltd. Pledgor: SHANGHAI ALADDIN BIOCHEMICAL TECHNOLOGY Co.,Ltd. Registration number: Y2024310000453 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |