JP6625115B2 - 4−アルコキシ−3−ヒドロキシピコリン酸の製造方法 - Google Patents
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- 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
- C07D213/84—Nitriles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
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- 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
- C07D213/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Description
本出願は、2014年7月8日に出願された米国仮特許出願第62/021,876号、2014年7月8日に出願された米国仮特許出願第62/021,877号、および2014年7月8日に出願された米国仮特許出願第62/021,881号の利益を主張し、それぞれが参照によって本明細書に個々に組み込まれるように、そのそれぞれはその全体が参照によって本明細書に明示的に組み込まれる。
本開示は、4−アルコキシ−3−ヒドロキシピコリン酸の製造方法に関する。より詳細には、本開示は、フルフラールからの4−アルコキシ−3−ヒドロキシピコリン酸の製造方法に関する。
米国特許第6,521,622号明細書、ならびに米国特許出願公開第61/747,723号明細書および第14/142,183号明細書には、とりわけ、特定の一般式の複素環式芳香族アミド化合物および殺真菌剤としてのそれらの使用が記載されており、これらの開示は、それらの全体が参照によって本明細書に組み込まれる。
本開示は、4−アルコキシ−3−ヒドロキシピコリン酸の製造において非常に有用な中間体である、式Aの化合物の製造方法に関する。
本明細書で使用される用語「単離する」、「単離すること」または「単離」は、限定するものではないが、ろ過、抽出、蒸留、結晶化、遠心分離、粉砕、液−液相分離または他の当業者に公知の方法等の標準的な方法を使用して、終了した化学的プロセスの混合物の他の成分から、所望の生成物を部分的または完全に取り出すことを意味する。単離した生成物は、≦50%〜≧50%の範囲の純度を有していてよく、標準的な精製方法を使用して、より高純度に精製してよい。単離した生成物は、精製して、または精製することなく、次のプロセスのステップで使用してもよい。
本明細書に記載の方法において、化学的ステップa、bおよびcを、スキームIに表すようにして行い、ジブロモヒドロキシピコリノニトリルAを製造する。
式Hの4−アルコキシ−3−ヒドロキシピコリン酸を製造するために、化学的ステップd、eおよびfは、スキームIIに表すように2つの異なる順序で行ってよい。式Aの化合物の4−ブロモ基をアルコキシ基に置き換えるための置換反応において(ステップd)、式MOR1(Mはアルカリ金属であり、R1はC1〜C3アルキルである)のアルカリ金属アルコキシドを使用して、式Fの4−アルコキシ−6−ブロモ−3−ヒドロキシピコリノニトリルを製造する。少なくとも2当量、好ましくは2〜5当量のアルカリ金属アルコキシドを当該反応で使用する。当該反応で有用な典型的なアルカリ金属アルコキシドとしては、ナトリウムまたはカリウムの、メトキシド、エトキシド、1−プロポキシドまたは2−プロポキシドが挙げられる。
Claims (12)
- 式A
の化合物の製造方法であって、以下のステップ:
a)アンモニア源、シアニド源および式B
のフラン−2−アルデヒドを溶媒中で一緒に混合することによって、第1の混合物を作製するステップ、
b)臭素化剤を前記第1の混合物と混合して、第2の混合物を形成するステップ、ならびに
c)前記第2の混合物から、式Aの化合物を単離するステップ
を含む、方法。 - 前記臭素化剤が臭素である、請求項1に記載の方法。
- 式A
の化合物の製造方法であって、以下のステップ:
a)アンモニア源、シアニド源および式B
のフラン−2−アルデヒドを溶媒中で一緒に混合することによって、第1の混合物を作製するステップ、
b)前記第1の混合物から、式C
の化合物を単離するステップ、
c)鉱酸を式Cの前記化合物に添加して、第2の混合物を形成するステップ、
d)前記第2の混合物から、式D
[式中、Xは、Br、HSO4、NO3またはH2PO4である]
の化合物を単離するステップ、
e)臭素化剤および水を式Dの前記化合物に添加して、第3の混合物を形成するステップ、ならびに
f)前記第3の混合物から、式Aの化合物を単離するステップ
を含む、方法。 - 前記鉱酸が臭化水素酸である、請求項3に記載の方法。
- XがBrである、請求項3に記載の方法。
- 前記臭素化剤が臭素である、請求項3に記載の方法。
- 式A
の化合物の製造方法であって、以下のステップ:
a)臭素化剤、水および式D
[式中、Xは、Br、HSO4、NO3またはH2PO4である]
の化合物を一緒に混合することによって、混合物を作製するステップ、ならびに
b)前記混合物から、式Aの化合物を単離するステップ
を含む、方法。 - XがBrである、請求項7に記載の方法。
- 前記臭素化剤が臭素である、請求項7に記載の方法。
- 式A
の化合物の製造方法であって、以下のステップ:
a)臭素化剤、水および式D
[式中、Xは、Br、HSO4、NO3またはH2PO4である]
の化合物を一緒に混合することによって、第1の混合物を作製するステップ、
b)前記第1の混合物から、式J
の化合物を単離するステップ、
c)臭素化剤および式Jの前記化合物を混合することによって、第2の混合物を作製するステップ、ならびに
d)前記第2の混合物から、式Aの化合物を単離するステップ
を含む、方法。 - XがBrである、請求項10に記載の方法。
- 前記臭素化剤が臭素である、請求項10に記載の方法。
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462021876P | 2014-07-08 | 2014-07-08 | |
| US201462021881P | 2014-07-08 | 2014-07-08 | |
| US201462021877P | 2014-07-08 | 2014-07-08 | |
| US62/021,876 | 2014-07-08 | ||
| US62/021,881 | 2014-07-08 | ||
| US62/021,877 | 2014-07-08 | ||
| PCT/US2015/039568 WO2016007637A1 (en) | 2014-07-08 | 2015-07-08 | Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017521429A JP2017521429A (ja) | 2017-08-03 |
| JP6625115B2 true JP6625115B2 (ja) | 2019-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2017500360A Active JP6513178B2 (ja) | 2014-07-08 | 2015-07-08 | 4−アルコキシ−3−ヒドロキシピコリン酸の製造方法 |
| JP2017500029A Active JP6688278B2 (ja) | 2014-07-08 | 2015-07-08 | 4−アルコキシ−3−ヒドロキシピコリン酸の製造方法 |
| JP2017500905A Active JP6625115B2 (ja) | 2014-07-08 | 2015-07-08 | 4−アルコキシ−3−ヒドロキシピコリン酸の製造方法 |
| JP2020006857A Withdrawn JP2020073575A (ja) | 2014-07-08 | 2020-01-20 | 4−アルコキシ−3−ヒドロキシピコリン酸の製造方法 |
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| JP2017500360A Active JP6513178B2 (ja) | 2014-07-08 | 2015-07-08 | 4−アルコキシ−3−ヒドロキシピコリン酸の製造方法 |
| JP2017500029A Active JP6688278B2 (ja) | 2014-07-08 | 2015-07-08 | 4−アルコキシ−3−ヒドロキシピコリン酸の製造方法 |
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Country Status (16)
| Country | Link |
|---|---|
| US (4) | US9522887B2 (ja) |
| EP (3) | EP3166611B1 (ja) |
| JP (4) | JP6513178B2 (ja) |
| KR (3) | KR102441177B1 (ja) |
| CN (3) | CN106660957B (ja) |
| BR (3) | BR112017000061B8 (ja) |
| CA (3) | CA2954276C (ja) |
| CO (3) | CO2017000049A2 (ja) |
| DK (3) | DK3166927T3 (ja) |
| ES (3) | ES2807622T3 (ja) |
| IL (3) | IL249891B (ja) |
| MX (3) | MX369327B (ja) |
| PL (3) | PL3166612T3 (ja) |
| TW (5) | TWI689498B (ja) |
| WO (3) | WO2016007638A1 (ja) |
| ZA (1) | ZA201700254B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6513178B2 (ja) * | 2014-07-08 | 2019-05-15 | ダウ アグロサイエンシィズ エルエルシー | 4−アルコキシ−3−ヒドロキシピコリン酸の製造方法 |
| US10476159B2 (en) * | 2015-11-30 | 2019-11-12 | Electronics And Telecommunications Research Institute | Coaxial resonance coil having toroidal shape for wireless power transmission |
| CN108495845A (zh) * | 2016-01-22 | 2018-09-04 | 美国陶氏益农公司 | 制备4-烷氧基-3-乙酰氧基吡啶甲酸的方法 |
| WO2017127794A1 (en) * | 2016-01-22 | 2017-07-27 | Dow Agrosciences Llc | Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids |
| TW201733985A (zh) * | 2016-02-29 | 2017-10-01 | 陶氏農業科學公司 | 用於製備4-烷氧基-3-羥基吡啶甲酸之方法 |
| TWI733749B (zh) * | 2017-01-25 | 2021-07-21 | 美商陶氏農業科學公司 | 用於製備4-烷氧基-3-羥基吡啶甲酸之方法 |
| US10382579B2 (en) * | 2017-02-28 | 2019-08-13 | International Business Machines Corporation | Personalized location-based services for users |
| HUE066997T2 (hu) * | 2020-05-22 | 2024-09-28 | Boehringer Ingelheim Int | Eljárás alkil-7-amino-5-metil-[1,2,5]oxidiazol[3,4-B]piridin-karboxilát elõállítására |
| UY39424A (es) | 2020-09-15 | 2022-03-31 | Pi Industries Ltd | Nuevos compuestos de picolinamida para combatir hongos fitopatógenos |
| WO2022058877A1 (en) | 2020-09-15 | 2022-03-24 | Pi Industries Limited | Novel picolinamide compounds for combating phytopathogenic fungi |
| UY40356A (es) | 2022-07-18 | 2024-01-31 | Pi Industries Ltd | Un proceso para la síntesis de ácidos 4-alcoxi-3-hidroxipicolínicos e intermedios de los mismos. |
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