CN101709050A - 合成2,5-二氯吡啶的新方法 - Google Patents
合成2,5-二氯吡啶的新方法 Download PDFInfo
- Publication number
- CN101709050A CN101709050A CN200910234327A CN200910234327A CN101709050A CN 101709050 A CN101709050 A CN 101709050A CN 200910234327 A CN200910234327 A CN 200910234327A CN 200910234327 A CN200910234327 A CN 200910234327A CN 101709050 A CN101709050 A CN 101709050A
- Authority
- CN
- China
- Prior art keywords
- dichloropyridine
- trichloropyridine
- alkali lye
- zinc powder
- reduction reaction
- 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
- GCTFDMFLLBCLPF-UHFFFAOYSA-N 2,5-dichloropyridine Chemical compound ClC1=CC=C(Cl)N=C1 GCTFDMFLLBCLPF-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000002194 synthesizing effect Effects 0.000 title abstract 2
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000006722 reduction reaction Methods 0.000 claims abstract description 8
- 239000003960 organic solvent Substances 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 34
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 12
- 239000012043 crude product Substances 0.000 claims description 12
- 238000001953 recrystallisation Methods 0.000 claims description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 5
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 8
- GPAKJVMKNDXBHH-UHFFFAOYSA-N 2,3,6-trichloropyridine Chemical compound ClC1=CC=C(Cl)C(Cl)=N1 GPAKJVMKNDXBHH-UHFFFAOYSA-N 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 description 8
- 239000012074 organic phase Substances 0.000 description 6
- 238000010992 reflux Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- ICSNLGPSRYBMBD-UHFFFAOYSA-N 2-aminopyridine Chemical compound NC1=CC=CC=N1 ICSNLGPSRYBMBD-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- OFLSKXBALZCMCX-UHFFFAOYSA-N 2-butoxypyridine Chemical compound CCCCOC1=CC=CC=N1 OFLSKXBALZCMCX-UHFFFAOYSA-N 0.000 description 1
- OKDGRDCXVWSXDC-UHFFFAOYSA-N 2-chloropyridine Chemical compound ClC1=CC=CC=N1 OKDGRDCXVWSXDC-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Pyridine Compounds (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009102343274A CN101709050B (zh) | 2009-11-24 | 2009-11-24 | 合成2,5-二氯吡啶的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102343274A CN101709050B (zh) | 2009-11-24 | 2009-11-24 | 合成2,5-二氯吡啶的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101709050A true CN101709050A (zh) | 2010-05-19 |
CN101709050B CN101709050B (zh) | 2011-10-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009102343274A Active CN101709050B (zh) | 2009-11-24 | 2009-11-24 | 合成2,5-二氯吡啶的方法 |
Country Status (1)
Country | Link |
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CN (1) | CN101709050B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103145609A (zh) * | 2013-03-05 | 2013-06-12 | 衢州恒顺化工有限公司 | 一种2,3-二氯吡啶的制备方法 |
CN109721529A (zh) * | 2017-10-27 | 2019-05-07 | 新发药业有限公司 | 一种2,5-二氯吡啶的简便制备方法 |
CN110818622A (zh) * | 2018-08-08 | 2020-02-21 | 新发药业有限公司 | 一种2,3-二氯吡啶的制备方法 |
CN116037153A (zh) * | 2023-01-03 | 2023-05-02 | 上海华谊(集团)公司 | 加氢脱氯催化剂及其工艺 |
-
2009
- 2009-11-24 CN CN2009102343274A patent/CN101709050B/zh active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103145609A (zh) * | 2013-03-05 | 2013-06-12 | 衢州恒顺化工有限公司 | 一种2,3-二氯吡啶的制备方法 |
CN103145609B (zh) * | 2013-03-05 | 2015-08-05 | 衢州恒顺化工有限公司 | 一种2,3-二氯吡啶的制备方法 |
CN109721529A (zh) * | 2017-10-27 | 2019-05-07 | 新发药业有限公司 | 一种2,5-二氯吡啶的简便制备方法 |
CN109721529B (zh) * | 2017-10-27 | 2020-09-01 | 新发药业有限公司 | 一种2,5-二氯吡啶的简便制备方法 |
CN110818622A (zh) * | 2018-08-08 | 2020-02-21 | 新发药业有限公司 | 一种2,3-二氯吡啶的制备方法 |
CN110818622B (zh) * | 2018-08-08 | 2021-04-16 | 新发药业有限公司 | 一种2,3-二氯吡啶的制备方法 |
CN116037153A (zh) * | 2023-01-03 | 2023-05-02 | 上海华谊(集团)公司 | 加氢脱氯催化剂及其工艺 |
Also Published As
Publication number | Publication date |
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CN101709050B (zh) | 2011-10-05 |
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Owner name: NANJING RED SUN BIOCHEMICAL CO., LTD. Free format text: FORMER OWNER: NANJING FIRST PESTICIDE GROUP CO., LTD. Effective date: 20110921 |
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Free format text: CORRECT: ADDRESS; FROM: 211300 NANJING, JIANGSU PROVINCE TO: 210047 NANJING, JIANGSU PROVINCE |
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Effective date of registration: 20110921 Address after: 210047 Nanjing Chemical Industrial Park, Jiangsu aromatic South Road, No. 168 Applicant after: Nanjing Red Sun Biological Chemical Co., Ltd. Address before: 211300 Pagoda Road 269, Gaochun County, Jiangsu, Nanjing Applicant before: Nanjing First Pesticide Group Co., Ltd. |
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Effective date of registration: 20180517 Address after: 210047 No. 168 aromatics South Road, Nanjing chemical industry park, Jiangsu Co-patentee after: Nanjing Redsun Co., Ltd. Patentee after: Nanjing Red Sun Biological Chemical Co., Ltd. Address before: 210047 No. 168 aromatics South Road, Nanjing chemical industry park, Jiangsu Patentee before: Nanjing Red Sun Biological Chemical Co., Ltd. |
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