JP6513178B2 - 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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- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
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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
本発明の態様の第1のセットは、式A:
MOR1 E
[式中、MはNaまたはK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、および式Aの化合物を含有する第6の混合物を作製するステップ、b)混合物を加熱するステップ、ならびにc)第6の混合物から、式F
a)式F
MOR1 E
[式中、MはNaまたはK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、および式A
MOR1 E
[式中、MはNaまたはK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、および式Aの化合物を含有する第1の混合物を作製するステップ、b)混合物を加熱するステップ、ならびにc)第1の混合物から、式F
MOR1 E
[式中、MはNaまたはK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、および式Aの化合物を含有する混合物を作製するステップ、ならびにb)混合物から、式F
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 (32)
- 式A
の化合物の2相性の製造方法であって、ステップ:
a)2相の水−有機溶媒系、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、前記有機溶媒中の溶液として式C
の化合物を含有する第2の混合物を分離するステップ、
c)鉱酸の水溶液を前記第2の混合物に添加して、第3の混合物を形成するステップ、
d)式D
[式中、Xは、Br、HSO4、NO3またはH2PO4である]
の化合物を含有する水性混合物である前記第3の混合物から、第4の混合物を分離するステップ、
e)臭素化剤を前記第4の混合物に添加して、第5の混合物を形成するステップ、ならびに
f)前記第5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。 - 前記有機溶媒が、ジエチルエーテル、メチルt−ブチルエーテル、塩化メチレン、酢酸エチル、2−メチルテトラヒドロフラン、トルエンおよびキシレンからなる有機溶媒の群から選択される少なくとも1種の有機溶媒である、請求項1に記載の方法。
- 前記鉱酸が臭化水素酸である、請求項1に記載の方法。
- XがBrである、請求項1に記載の方法。
- 前記臭素化剤が臭素である、請求項1に記載の方法。
- ステップ:
a)式E
MOR1 E
[式中、MはNaまたはK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、および式Aの化合物を含有する第6の混合物を作製するステップ、
b)前記混合物を加熱するステップ、ならびに
c)前記第6の混合物から、式F
[式中、R1はC1〜C3アルキルである]の化合物を単離するステップ
をさらに含む、請求項1に記載の方法。 - ステップ:
a)式Fの化合物、水、ならびに鉱酸および強塩基の少なくとも1種を含有する第7の混合物を作製するステップ、
b)前記混合物を加熱するステップ、ならびに
c)前記第7の混合物から、式G
[式中、R1はC1〜C3アルキルである]の化合物を単離するステップ
をさらに含む、請求項6に記載の方法。 - 前記第7の混合物が式Fの化合物、水および鉱酸を含有する、請求項7に記載の方法。
- 前記鉱酸が硫酸である、請求項8に記載の方法。
- 前記第7の混合物が式Fの化合物、水および強塩基を含有する、請求項7に記載の方法。
- 前記強塩基が、水酸化ナトリウムおよび水酸化カリウムからなる群から選択される少なくとも1種の強塩基である、請求項10に記載の方法。
- 以下のステップ:
a)式Gの化合物、および還元剤を含有する第8の混合物を作製するステップ、ならびに
b)前記第8の混合物から、式H
[式中、R1はC1〜C3アルキルである]の化合物を単離するステップ
をさらに含む、請求項7に記載の方法。 - 前記還元剤が水素および遷移金属触媒から構成される、請求項12に記載の方法。
- 前記水素が水素ガスであり、前記遷移金属触媒がパラジウム炭素から構成される、請求項13に記載の方法。
- 前記還元剤が亜鉛金属から構成される、請求項12に記載の方法。
- 以下のステップ:
a)式Fの化合物、および還元剤を含有する第9の混合物を作製するステップ、ならびに
b)前記第9の混合物から、式I
[式中、R1はC1〜C3アルキルである]の化合物を単離するステップ
をさらに含む、請求項6に記載の方法。 - 前記還元剤が水素および遷移金属触媒から構成される、請求項16に記載の方法。
- 前記還元剤が亜鉛金属から構成される、請求項16に記載の方法。
- ステップ:
a)式Iの化合物、水、ならびに鉱酸および強塩基の1種を含有する第10の混合物を作製するステップ、ならびに
b)前記第10の混合物から、式H
[式中、R1はC1〜C3アルキルである]の化合物を単離するステップ
をさらに含む、請求項16に記載の方法。 - ステップ:
前記第10の混合物を加熱するステップ、
をさらに含む、請求項19に記載の方法。 - 前記第10の混合物が式Iの化合物、水および鉱酸を含有する、請求項19に記載の方法。
- 前記鉱酸が硫酸である、請求項21に記載の方法。
- 前記第10の混合物が式Iの化合物、水および強塩基を含有する、請求項19に記載の方法。
- 前記強塩基が、水酸化ナトリウムおよび水酸化カリウムからなる群から選択される少なくとも1種の強塩基である、請求項23に記載の方法。
- 式H
の化合物の製造方法であって、ステップ:
a)式F
[式中、R1はC1〜C3アルキルである]の化合物、強塩基、亜鉛金属および水を含有する混合物を作製するステップ、
b)前記混合物を加熱するステップ、ならびに
c)前記混合物から、式Hの化合物を単離するステップ
を含む、方法。 - 前記強塩基が水酸化カリウムである、請求項25に記載の方法。
- 式F
[式中、R1はC1〜C3アルキルである]の化合物の製造方法であって、ステップ:
a)少なくとも1種の式E
MOR1 E
[式中、MはNaまたはK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、および式A
の化合物を含有する混合物を作製するステップ、
b)前記混合物を加熱するステップ、ならびに
c)前記混合物から、式Fの化合物を単離するステップ
を含む、方法。 - MがNaであり、R1がC1〜C3アルキルである、請求項27に記載の方法。
- プロトン性溶媒および極性の非プロトン性溶媒から構成される溶媒混合物をさらに含む、請求項27に記載の方法。
- 前記プロトン性溶媒が、メタノールおよびエタノールからなる群から選択される少なくとも1種の溶媒である、請求項29に記載の方法。
- 前記非プロトン性溶媒が、DMSO、DMF、スルホラン、およびNMPからなる群から選択される少なくとも1種の溶媒である、請求項29に記載の方法。
- 前記溶媒混合物における前記プロトン性溶媒と前記極性の非プロトン性溶媒の容積パーセントの比率が約100:0〜約0:100である、請求項29に記載の方法。
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462021877P | 2014-07-08 | 2014-07-08 | |
| US201462021881P | 2014-07-08 | 2014-07-08 | |
| US201462021876P | 2014-07-08 | 2014-07-08 | |
| US62/021,881 | 2014-07-08 | ||
| US62/021,877 | 2014-07-08 | ||
| US62/021,876 | 2014-07-08 | ||
| PCT/US2015/039565 WO2016007634A1 (en) | 2014-07-08 | 2015-07-08 | Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids |
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| Publication Number | Publication Date |
|---|---|
| JP2017523962A JP2017523962A (ja) | 2017-08-24 |
| JP6513178B2 true JP6513178B2 (ja) | 2019-05-15 |
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| 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 |
| 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 |
| 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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| 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 |
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|---|---|
| US (4) | US9475771B2 (ja) |
| EP (3) | EP3166611B1 (ja) |
| JP (4) | JP6688278B2 (ja) |
| KR (3) | KR102436286B1 (ja) |
| CN (3) | CN106659724B (ja) |
| BR (3) | BR112017000135B8 (ja) |
| CA (3) | CA2954276C (ja) |
| CO (3) | CO2017000049A2 (ja) |
| DK (3) | DK3166611T3 (ja) |
| ES (3) | ES2738401T3 (ja) |
| IL (3) | IL249891B (ja) |
| MX (3) | MX369327B (ja) |
| PL (3) | PL3166927T3 (ja) |
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| MX369327B (es) * | 2014-07-08 | 2019-11-05 | Dow Agrosciences Llc | Proceso para la preparacion de acidos 4-alcoxi-3-hidroxipicolinico s. |
| US10476159B2 (en) * | 2015-11-30 | 2019-11-12 | Electronics And Telecommunications Research Institute | Coaxial resonance coil having toroidal shape for wireless power transmission |
| RU2744834C2 (ru) * | 2016-01-22 | 2021-03-16 | ДАУ АГРОСАЙЕНСИЗ ЭлЭлСи | Способ получения 4-алкокси-3-гидроксипиколиновых кислот |
| US10259789B2 (en) * | 2016-01-22 | 2019-04-16 | Dow Agrosciences Llc | Process for the preparation of 4-alkoxy-3-acetoxypicolinic 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 |
| DK4153599T3 (da) * | 2020-05-22 | 2024-06-17 | Boehringer Ingelheim Int | Fremgangsmåde til at fremstille alkyl 7-amino-5-methyl-[1,2,5]oxadiazolo[3,4-b]pyridin-carboxylat |
| AR123502A1 (es) | 2020-09-15 | 2022-12-07 | Pi Industries Ltd | Nuevos compuestos de picolinamida para combatir hongos fitopatógenos |
| AR123501A1 (es) | 2020-09-15 | 2022-12-07 | Pi Industries Ltd | Nuevos compuestos de picolinamida para combatir hongos fitopatógenos |
| 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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