KR102732084B1 - 1-(6-클로로피리딘-3-일)-n-메틸메탄아민의 정제 방법 - Google Patents
1-(6-클로로피리딘-3-일)-n-메틸메탄아민의 정제 방법 Download PDFInfo
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- KR102732084B1 KR102732084B1 KR1020190101669A KR20190101669A KR102732084B1 KR 102732084 B1 KR102732084 B1 KR 102732084B1 KR 1020190101669 A KR1020190101669 A KR 1020190101669A KR 20190101669 A KR20190101669 A KR 20190101669A KR 102732084 B1 KR102732084 B1 KR 102732084B1
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- chloropyridin
- methylmethanamine
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- 238000000034 method Methods 0.000 title claims abstract description 29
- XALCOJXGWJXWBL-UHFFFAOYSA-N 1-(6-chloropyridin-3-yl)-n-methylmethanamine Chemical compound CNCC1=CC=C(Cl)N=C1 XALCOJXGWJXWBL-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000010410 layer Substances 0.000 claims description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 72
- 239000000203 mixture Substances 0.000 claims description 43
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 30
- 239000007864 aqueous solution Substances 0.000 claims description 17
- 239000012044 organic layer Substances 0.000 claims description 17
- SKCNYHLTRZIINA-UHFFFAOYSA-N 2-chloro-5-(chloromethyl)pyridine Chemical compound ClCC1=CC=C(Cl)N=C1 SKCNYHLTRZIINA-UHFFFAOYSA-N 0.000 claims description 16
- 239000003960 organic solvent Substances 0.000 claims description 16
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 15
- IMXFBFJXXCNMCE-UHFFFAOYSA-N 1-(6-chloropyridin-3-yl)-N-[(6-chloropyridin-3-yl)methyl]-N-methylmethanamine Chemical compound ClC1=CC=C(C=N1)CN(C)CC=1C=NC(=CC1)Cl IMXFBFJXXCNMCE-UHFFFAOYSA-N 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 239000011259 mixed solution Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical group CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- 239000000047 product Substances 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 238000000746 purification Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000005191 phase separation Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000004821 distillation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 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 2
- 239000005875 Acetamiprid Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/36—Radicals substituted by singly-bound nitrogen atoms
- C07D213/38—Radicals substituted by singly-bound nitrogen atoms having only hydrogen or hydrocarbon radicals attached to the substituent nitrogen atom
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Abstract
Description
Claims (8)
- 물, 1-(6-클로로피리딘-3-일)-N-메틸메탄아민, 1-(6-클로로피리딘-3-일)-N-((6-클로로피리딘-3-일)메틸)-N-메틸메탄아민, 및 물과 상분리 가능한 유기 용매를 포함하는 혼합액(m1)을 준비하는 단계;
상기 혼합액(m1) 중 물층(w1)의 pH를 5 내지 7로 조절하는 단계;
상기 혼합액(m1)에서 상분리된 물층(w1)을 분리하는 단계; 및
상기 물층(w1)으로부터 1-(6-클로로피리딘-3-일)-N-메틸메탄아민을 획득하는 단계를 포함하고,
상기 물과 상분리 가능한 유기 용매는 디에틸 에테르, 톨루엔, 벤젠, 헥산, 디클로로메탄 또는 에틸 아세테이트인 것인 1-(6-클로로피리딘-3-일)-N-메틸메탄아민의 정제 방법. - 삭제
- 청구항 1에 있어서, 상기 물층(w1)의 pH를 5 내지 7으로 조절하는 단계 이후에 상기 혼합액(m1)에 물과 상분리 가능한 유기 용매를 추가하는 단계를 더 포함하고,
상기 물과 상분리 가능한 유기 용매는 디에틸 에테르, 톨루엔, 벤젠, 헥산, 디클로로메탄 또는 에틸 아세테이트인 것인 1-(6-클로로피리딘-3-일)-N-메틸메탄아민의 정제 방법. - 청구항 1에 있어서, 상기 혼합액(m1)을 준비하는 단계는 메틸아민 수용액 및 2-클로로-5-(클로로메틸)피리딘을 혼합하는 단계를 포함하는 것인 1-(6-클로로피리딘-3-일)-N-메틸메탄아민의 정제 방법.
- 청구항 4에 있어서, 상기 혼합액(m1)을 준비하는 단계는 상기 메틸아민 수용액 및 2-클로로-5-(클로로메틸)피리딘을 혼합하는 단계 이후에 혼합액을 60℃ 내지 65℃의 온도 범위로 조절하는 단계를 포함하는 것인 1-(6-클로로피리딘-3-일)-N-메틸메탄아민의 정제 방법.
- 청구항 1에 있어서, 상기 혼합액(m1)에서 상분리된 물층(w1)을 분리하는 단계; 및 상기 물층(w1)으로부터 1-(6-클로로피리딘-3-일)-N-메틸메탄아민을 획득하는 단계 사이에 혼합액(m1)에서 상분리된 물층(w1)을 분리하고 남은 유기층으로부터 1-(6-클로로피리딘-3-일)-N-메틸메탄아민을 재추출하는 단계를 더 포함하는 것인 1-(6-클로로피리딘-3-일)-N-메틸메탄아민의 정제 방법.
- 청구항 6에 있어서, 상기 1-(6-클로로피리딘-3-일)-N-메틸메탄아민을 재추출하는 단계는 혼합액(m1)에서 상분리된 물층(w1)을 분리하고 남은 유기층 및 pH 5 내지 7의 물층(w2)을 포함하는 혼합액(m2)을 제조하는 단계; 상기 혼합액(m2)으로부터 상분리된 물층(w2)을 분리하는 단계; 및 상기 물층(w2)을 물층(w1)과 혼합하는 단계를 포함하고,
상기 물층(w1)으로부터 1-(6-클로로피리딘-3-일)-N-메틸메탄아민을 획득하는 단계는 상기 물층(w1) 및 물층(w2)의 혼합액으로부터 1-(6-클로로피리딘-3-일)-N-메틸메탄아민을 획득하는 단계인 것인 1-(6-클로로피리딘-3-일)-N-메틸메탄아민의 정제 방법. - 청구항 6에 있어서, 상기 1-(6-클로로피리딘-3-일)-N-메틸메탄아민을 재추출하는 단계는 1회 이상 수행되는 것인 1-(6-클로로피리딘-3-일)-N-메틸메탄아민의 정제 방법.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190101669A KR102732084B1 (ko) | 2019-08-20 | 2019-08-20 | 1-(6-클로로피리딘-3-일)-n-메틸메탄아민의 정제 방법 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190101669A KR102732084B1 (ko) | 2019-08-20 | 2019-08-20 | 1-(6-클로로피리딘-3-일)-n-메틸메탄아민의 정제 방법 |
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| Publication Number | Publication Date |
|---|---|
| KR20210022320A KR20210022320A (ko) | 2021-03-03 |
| KR102732084B1 true KR102732084B1 (ko) | 2024-11-18 |
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| KR1020190101669A Active KR102732084B1 (ko) | 2019-08-20 | 2019-08-20 | 1-(6-클로로피리딘-3-일)-n-메틸메탄아민의 정제 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102758949B1 (ko) * | 2019-09-11 | 2025-01-22 | 주식회사 엘지화학 | 아세타미프리드의 중간체의 제조 방법 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991004965A1 (en) | 1989-10-06 | 1991-04-18 | Nippon Soda Co., Ltd. | Amine derivatives |
| WO2007085356A2 (en) | 2006-01-27 | 2007-08-02 | Bayer Cropscience Ag | Insecticidal (heteroarylalkyl)alkane thio and oxo amine derivatives |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7977332B2 (en) * | 2003-12-04 | 2011-07-12 | Fmc Corporation | Insecticidal N-(heteroarylalkyl)alkanediamine derivatives |
| CN106187868A (zh) | 2016-07-15 | 2016-12-07 | 南通天泽化工有限公司 | 一种啶虫脒的制备方法 |
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- 2019-08-20 KR KR1020190101669A patent/KR102732084B1/ko active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991004965A1 (en) | 1989-10-06 | 1991-04-18 | Nippon Soda Co., Ltd. | Amine derivatives |
| WO2007085356A2 (en) | 2006-01-27 | 2007-08-02 | Bayer Cropscience Ag | Insecticidal (heteroarylalkyl)alkane thio and oxo amine derivatives |
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| KR20210022320A (ko) | 2021-03-03 |
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