RU2018130270A - Способ получения 4-алкокси-3-ацетоксипиколиновых кислот - Google Patents
Способ получения 4-алкокси-3-ацетоксипиколиновых кислот Download PDFInfo
- Publication number
- RU2018130270A RU2018130270A RU2018130270A RU2018130270A RU2018130270A RU 2018130270 A RU2018130270 A RU 2018130270A RU 2018130270 A RU2018130270 A RU 2018130270A RU 2018130270 A RU2018130270 A RU 2018130270A RU 2018130270 A RU2018130270 A RU 2018130270A
- Authority
- RU
- Russia
- Prior art keywords
- acetoxypicolic
- alcoxy
- acids
- producing
- formula
- Prior art date
Links
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
- C07D213/60—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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
-
- 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
- C07D213/60—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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/803—Processes of preparation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Claims (12)
1. Способ получения соединения формулы H
где R1 представляет собой C1-C3 алкил;
из соединения формулы A
который включает следующие стадии:
a) получение смеси, содержащей соединение формулы A и ацетилирующий агент; и
b) выделение соединения формулы H из смеси.
2. Способ по п. 1, в котором ацетилирующий агент выбран из уксусного ангидрида и ацетилхлорида.
3. Соединение формулы
В котором R1 представляет собой C1-C3 алкил.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662286013P | 2016-01-22 | 2016-01-22 | |
| US62/286,013 | 2016-01-22 | ||
| PCT/US2017/014527 WO2017127791A1 (en) | 2016-01-22 | 2017-01-23 | Process for the preparation of 4-alkoxy-3-acetoxypicolinic acids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2018130270A true RU2018130270A (ru) | 2020-02-25 |
| RU2018130270A3 RU2018130270A3 (ru) | 2020-02-28 |
Family
ID=59362269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2018130270A RU2018130270A (ru) | 2016-01-22 | 2017-01-23 | Способ получения 4-алкокси-3-ацетоксипиколиновых кислот |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US10259789B2 (ru) |
| EP (1) | EP3405456A4 (ru) |
| JP (1) | JP2019502729A (ru) |
| CN (1) | CN108495845A (ru) |
| AR (1) | AR107419A1 (ru) |
| AU (1) | AU2017209455A1 (ru) |
| BR (1) | BR112018014924A2 (ru) |
| CA (1) | CA3012167A1 (ru) |
| RU (1) | RU2018130270A (ru) |
| WO (1) | WO2017127791A1 (ru) |
| ZA (1) | ZA201804783B (ru) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2883118T3 (es) * | 2016-01-22 | 2021-12-07 | Corteva Agriscience Llc | Procedimiento para la preparación de ácidos 4-alcoxi-3-hidroxipicolínicos |
| US20220411375A1 (en) * | 2019-10-18 | 2022-12-29 | Corteva Agriscience Llc | Process for synthesis of picolinamides |
| CN111170935B (zh) * | 2020-01-06 | 2023-02-17 | 上海海洋大学 | 3-羟基吡啶及利用糠醛制备3-羟基吡啶的方法 |
| WO2024018354A1 (en) | 2022-07-18 | 2024-01-25 | Pi Industries Ltd. | A process for the synthesis of 4-alkoxy-3-hydroxypicolinic acids and intermediates thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8605868D0 (en) * | 1986-03-10 | 1986-04-16 | Shell Int Research | Preparation of heterocyclic compounds |
| JP3852523B2 (ja) * | 1998-07-24 | 2006-11-29 | 宇部興産株式会社 | ピリジンカルボン酸ハロアルケニルエステル誘導体、その製法及び農園芸用の有害生物防除剤 |
| TWI547482B (zh) * | 2011-01-25 | 2016-09-01 | 陶氏農業科學公司 | 增加可回收之3-氯-4,5,6-三氟-2-氰吡啶之量的改良方法 |
| AR091856A1 (es) * | 2012-07-24 | 2015-03-04 | Dow Agrosciences Llc | Proceso para la preparacion de 4-amino-5-fluor-3-halo-6-(substituido) picolinatos |
| PL2931043T3 (pl) * | 2012-12-13 | 2018-01-31 | Dow Agrosciences Llc | Sposób wytwarzania 4-amino-5-fluoro-3-chloro 6-(podstawionych) pikolinianów |
| JP2016507511A (ja) * | 2012-12-31 | 2016-03-10 | ダウ アグロサイエンシィズ エルエルシー | 殺真菌剤としての大環状ピコリンアミド |
| ES2836201T3 (es) * | 2014-07-08 | 2021-06-24 | Dow Agrosciences Llc | Proceso para la preparación de ácidos 4-alcoxi-3-hidroxipicolínicos |
| CN106573890A (zh) * | 2014-08-06 | 2017-04-19 | 美国陶氏益农公司 | 制备4,5,6‑三氯吡啶甲酸的方法 |
| ES2883118T3 (es) * | 2016-01-22 | 2021-12-07 | Corteva Agriscience Llc | Procedimiento para la preparación de ácidos 4-alcoxi-3-hidroxipicolínicos |
-
2017
- 2017-01-23 CN CN201780007856.3A patent/CN108495845A/zh active Pending
- 2017-01-23 BR BR112018014924A patent/BR112018014924A2/pt not_active Application Discontinuation
- 2017-01-23 CA CA3012167A patent/CA3012167A1/en not_active Abandoned
- 2017-01-23 EP EP17742093.2A patent/EP3405456A4/en not_active Withdrawn
- 2017-01-23 AU AU2017209455A patent/AU2017209455A1/en not_active Abandoned
- 2017-01-23 WO PCT/US2017/014527 patent/WO2017127791A1/en active Application Filing
- 2017-01-23 US US16/071,512 patent/US10259789B2/en not_active Expired - Fee Related
- 2017-01-23 JP JP2018538077A patent/JP2019502729A/ja active Pending
- 2017-01-23 RU RU2018130270A patent/RU2018130270A/ru not_active Application Discontinuation
- 2017-01-24 AR ARP170100175A patent/AR107419A1/es unknown
-
2018
- 2018-07-17 ZA ZA2018/04783A patent/ZA201804783B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR107419A1 (es) | 2018-04-25 |
| CN108495845A (zh) | 2018-09-04 |
| WO2017127791A1 (en) | 2017-07-27 |
| US10259789B2 (en) | 2019-04-16 |
| CA3012167A1 (en) | 2017-07-27 |
| JP2019502729A (ja) | 2019-01-31 |
| US20190047962A1 (en) | 2019-02-14 |
| ZA201804783B (en) | 2019-09-25 |
| RU2018130270A3 (ru) | 2020-02-28 |
| AU2017209455A1 (en) | 2018-08-02 |
| BR112018014924A2 (pt) | 2018-12-18 |
| EP3405456A4 (en) | 2019-07-31 |
| EP3405456A1 (en) | 2018-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20200813 |