WO2017110729A1 - ベンズオキサゾール化合物の製造方法 - Google Patents
ベンズオキサゾール化合物の製造方法 Download PDFInfo
- Publication number
- WO2017110729A1 WO2017110729A1 PCT/JP2016/087746 JP2016087746W WO2017110729A1 WO 2017110729 A1 WO2017110729 A1 WO 2017110729A1 JP 2016087746 W JP2016087746 W JP 2016087746W WO 2017110729 A1 WO2017110729 A1 WO 2017110729A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solvent
- compound
- acid
- mixture
- water
- Prior art date
Links
- 0 *CS(c1c(C(Nc2c(*)ccc(S(*=C)(=O)=O)c2)=O)nccc1)(=O)=O Chemical compound *CS(c1c(C(Nc2c(*)ccc(S(*=C)(=O)=O)c2)=O)nccc1)(=O)=O 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
Definitions
- the present invention relates to a method for producing a benzoxazole compound.
- WO2014 / 104407 describes benzoxazole compounds having a controlling effect against pests.
- 3-ethanesulfonyl-N- [2-hydroxy-5- (trifluoromethanesulfonyl) phenyl] picolinamide was prepared under reflux conditions in the presence of paratoluenesulfonic acid monohydrate.
- a method for producing 2- (3-ethanesulfonylpyridin-2-yl) -5- (trifluoromethanesulfonyl) benzoxazole by cyclization is described.
- the present invention relates to 2- (3-ethanesulfonylpyridin-2-yl) -5- (trifluoromethanesulfonyl) benzoxazole, ie a compound of formula (1)
- a new method for producing a compound represented by formula hereinafter referred to as compound (1) is provided.
- the compound (1) is represented by the formula (2)
- the starting compound (2) can be produced by the method described in WO2014 / 104407.
- the cyclization is carried out in a solvent.
- the solvent include aromatic hydrocarbon solvents such as toluene, xylene, ethylbenzene, chlorobenzene, cumene, and mesitylene; aromatic halogenations such as chlorobenzene and o-dichlorobenzene.
- Hydrocarbon solvents such as 1,4-dioxane; ester solvents such as butyl acetate; nitrile solvents such as propionitrile; sulfur-containing compound solvents such as dimethyl sulfoxide and sulfolane; N, N-dimethylformamide, N, N Amide solvents such as dimethylacetamide and N-methylpyrrolidone and mixed solvents thereof, preferably aromatic hydrocarbon solvents and aromatic halogenated hydrocarbon solvents, more preferably xylene, ethylbenzene, cumene , Mesitylene, chlorobenzene and o-dic Lolobenzene is mentioned.
- the amount of the solvent to be used is generally 1 to 100 parts by mass, preferably 1 to 20 parts by mass with respect to 1 part by mass of compound (2).
- organic sulfonic acid used for cyclization examples include p-toluenesulfonic acid, benzenesulfonic acid, methanesulfonic acid, and camphorsulfonic acid. Hydrates may be used as the organic sulfonic acid, but when the hydrate is used, it is preferably mixed with a solvent in advance and refluxed and dehydrated using a Dean-Stark apparatus or the like and then used for cyclization.
- Preferred organic sulfonic acids are para-toluene sulfonic acid, benzene sulfonic acid and methane sulfonic acid.
- the organic sulfonic acid is usually used in a proportion of 0.1 mol to 5 mol, preferably 0.5 mol to 3 mol, relative to 1 mol of the compound (2). It is done.
- the cyclization temperature is usually in the range of 100 ° C. to 180 ° C., preferably in the range of 130 ° C. to 165 ° C.
- the cyclization time is usually in the range of 0.1 to 48 hours, preferably in the range of 0.1 to 24 hours.
- acetic anhydride is usually used in a proportion of 0.1 to 5 mol, preferably acetic anhydride is used in a proportion of 0.5 to 2 mol, relative to 1 mol of compound (2).
- the cyclization is carried out while removing acetic acid produced by the reaction of acetic anhydride and water with water.
- water and acetic acid can be distilled off azeotropically. It is advantageous to use xylene, chlorobenzene or mesitylene as the solvent since it is preferred to distill off the solvent azeotropically with water and acetic acid.
- the solvent is recovered and reused, the solvent, water and acetic acid are azeotroped using a Dean-Stark apparatus or the like, and the distillate is mixed with an alkaline aqueous solution such as an aqueous sodium hydroxide solution to remove acetic acid. By neutralizing, the solvent in which the amount of acetic acid contained is reduced can be returned to the system.
- a dehydrating agent such as molecular sieves, anhydrous sodium sulfate or anhydrous magnesium sulfate can be added to the system before cyclization. These dehydrating agents can be removed by filtration after completion of the cyclization.
- reaction mixture After completion of the cyclization, the reaction mixture is added to water or alkaline water such as aqueous potassium carbonate and extracted with an organic solvent, and the organic layer is concentrated; the reaction mixture is added to water and the resulting solid is collected by filtration; or Compound (1) can be isolated by collecting the solid produced in the reaction mixture by filtration.
- the isolated compound (1) can be further purified by recrystallization, chromatography or the like.
- Example 1 Under a nitrogen atmosphere, a mixture of 29.6 g of paratoluenesulfonic acid monohydrate and 30.2 g of xylene was reflux-dehydrated for 4 hours using a Dean-Stark apparatus. To a mixture of 50.0 g of compound (2) and 60 g of xylene, the previously obtained mixture of paratoluenesulfonic acid and xylene was added. The mixture obtained was heated to 140 ° C.
- Example 2 Under a nitrogen atmosphere, a mixture of 29.5 g of paratoluenesulfonic acid monohydrate and 30.1 g of xylene was reflux-dehydrated for 4 hours using a Dean-Stark apparatus. To a mixture of 50.0 g of compound (2) and 60 g of xylene, the previously obtained mixture of paratoluenesulfonic acid and xylene was added.
- Example 3 Under a nitrogen atmosphere, a mixture of 35.4 g of paratoluenesulfonic acid monohydrate and 36.0 g of chlorobenzene was reflux-dehydrated for 4 hours using a Dean-Stark apparatus. To the mixture of 60.0 g of compound (2) and 72.0 g of chlorobenzene, the previously obtained mixture of paratoluenesulfonic acid and chlorobenzene was added. Using a Dean-Stark device in which 12.4 g of 48% sodium hydroxide aqueous solution and 19.9 g of water were previously filled in the straight pipe section, the resulting mixture was heated to 133 ° C. to remove water and acetic acid out of the system.
- Example 4 Under a nitrogen atmosphere, a mixture of 38.2 g of paratoluenesulfonic acid monohydrate and 38.4 g of mesitylene was refluxed and dehydrated for 2 hours and 40 minutes using a Dean-Stark apparatus. The mixture of paratoluenesulfonic acid and mesitylene obtained previously was added to a mixture of 83.7 g of compound (2) and 201 g of mesitylene.
- the compound (1) having a controlling effect against pests can be produced.
Abstract
Description
で表される化合物(以下、化合物(1)と記載する)の新たな製造方法を提供する。
実施例1
窒素雰囲気下で、パラトルエンスルホン酸一水和物29.6g及びキシレン30.2gの混合物を、ディーンスターク装置を用いて4時間還流脱水した。化合物(2)50.0g及びキシレン60gの混合物に、先に得られたパラトルエンスルホン酸とキシレンとの混合物を加えた。48%水酸化ナトリウム水溶液9.5gを予め直管部に充填したディーンスターク装置を用いて、得られた混合物を140℃に加熱して、水と酢酸とを系外に除去しながら無水酢酸5.82gを17時間かけて滴下した。ディーンスターク装置を用いたまま7時間、140℃で撹拌した。得られた混合物を炭酸カリウム水溶液に加えて分液し、得られた有機層の一部を高速液体クロマトグラフィーを用いて定量したところ、化合物(1)が収率93.5%で得られていることがわかった。
実施例2
窒素雰囲気下で、パラトルエンスルホン酸一水和物29.5g及びキシレン30.1gの混合物を、ディーンスターク装置を用いて4時間還流脱水した。化合物(2)50.0g及びキシレン60gの混合物に、先に得られたパラトルエンスルホン酸とキシレンとの混合物を加えた。48%水酸化ナトリウム水溶液11.4gを予め直管部に充填したディーンスターク装置を用いて、得られた混合物を140℃に加熱して、水と酢酸とを系外に除去しながら、無水酢酸6.99gを18時間かけて滴下した。ディーンスターク装置を用いたまま1時間、140℃で撹拌した。得られた混合物を炭酸カリウム水溶液に加えて分液し、得られた有機層の一部を高速液体クロマトグラフィーを用いて定量したところ、化合物(1)が収率93.9%で得られていることがわかった。
実施例3
窒素雰囲気下で、パラトルエンスルホン酸一水和物35.4g及びクロロベンゼン36.0gの混合物を、ディーンスターク装置を用いて4時間還流脱水した。化合物(2)60.0g及びクロロベンゼン72.0gの混合物に、先に得られたパラトルエンスルホン酸とクロロベンゼンとの混合物を加えた。48%水酸化ナトリウム水溶液12.4g及び水19.9gを予め直管部に充填したディーンスターク装置を用いて、得られた混合物を133℃に加熱して、水と酢酸とを系外に除去しながら、無水酢酸11.18gを17時間かけて滴下した。得られた混合物を炭酸カリウム水溶液に加えて分液し、得られた有機層の一部を高速液体クロマトグラフィーを用いて定量したところ、化合物(1)が収率95.4%で得られていることがわかった。
実施例4
窒素雰囲気下で、パラトルエンスルホン酸一水和物38.2g及びメシチレン38.4gの混合物を、ディーンスターク装置を用いて2時間40分還流脱水した。化合物(2)83.7g及びメシチレン201gの混合物に、先に得られたパラトルエンスルホン酸とメシチレンとの混合物を加えた。得られた混合物を165℃に加熱し、水と酢酸とメシチレンとを留去しながら、無水酢酸16.77gを11時間かけて滴下した。その際の留去液は146g、滴下したメシチレンは147gであった。得られた混合物を高速液体クロマトグラフィーを用いて反応率を確認したところ、反応率は99%であった。
参考例1
窒素雰囲気下で、化合物(2)10.0g及びキシレン20.0gの混合物を140℃に加熱した。得られた混合物を140℃に加熱して、18.5%水酸化ナトリウム水溶液5.9gを加えたディーンスターク装置を用いて水と酢酸とを系外に除去しながら、無水酢酸1.40gとキシレン5.0gとの混合溶液を17時間かけて滴下した。得られた混合物にアセトニトリルを加えて希釈し、混合物の一部を高速液体クロマトグラフィーを用いて定量したところ、化合物(1)が収率6.4%で得られていることがわかった。
Claims (7)
- 溶媒が芳香族炭化水素溶媒及び芳香族ハロゲン化炭化水素溶媒からなる群より選ばれる1以上の溶媒である請求項1に記載の方法。
- 溶媒がキシレンである請求項1に記載の方法。
- 溶媒がクロロベンゼンである請求項1に記載の方法。
- 溶媒がメシチレンである請求項1に記載の方法。
- 有機スルホン酸がパラトルエンスルホン酸、メタンスルホン酸又はベンゼンスルホン酸である請求項1~5のいずれかに記載の方法。
- 有機スルホン酸がパラトルエンスルホン酸である請求項1~5のいずれかに記載の方法。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16878618.4A EP3395815A4 (en) | 2015-12-22 | 2016-12-19 | PROCESS FOR PRODUCING BENZOXAZOLE COMPOUND |
US16/064,481 US10253021B2 (en) | 2015-12-22 | 2016-12-19 | Method for producing benzoxazole compound |
JP2017558112A JP6763401B2 (ja) | 2015-12-22 | 2016-12-19 | ベンズオキサゾール化合物の製造方法 |
BR112018012403-6A BR112018012403A2 (ja) | 2015-12-22 | 2016-12-19 | A manufacturing method of a benzoxazole compound |
KR1020187020886A KR102627711B1 (ko) | 2015-12-22 | 2016-12-19 | 벤즈옥사졸 화합물의 제조 방법 |
CN201680074839.7A CN108368097B (zh) | 2015-12-22 | 2016-12-19 | 制备苯并噁唑化合物的方法 |
AU2016374914A AU2016374914B2 (en) | 2015-12-22 | 2016-12-19 | Method for producing benzoxazole compound |
IL259914A IL259914B (en) | 2015-12-22 | 2018-06-10 | A method for producing a benzoxazole compound |
PH12018501316A PH12018501316A1 (en) | 2015-12-22 | 2018-06-20 | Method for producing benzoxadole compound |
Applications Claiming Priority (2)
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JP2015-249417 | 2015-12-22 | ||
JP2015249417 | 2015-12-22 |
Publications (1)
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WO2017110729A1 true WO2017110729A1 (ja) | 2017-06-29 |
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PCT/JP2016/087746 WO2017110729A1 (ja) | 2015-12-22 | 2016-12-19 | ベンズオキサゾール化合物の製造方法 |
Country Status (11)
Country | Link |
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US (1) | US10253021B2 (ja) |
EP (1) | EP3395815A4 (ja) |
JP (1) | JP6763401B2 (ja) |
KR (1) | KR102627711B1 (ja) |
CN (1) | CN108368097B (ja) |
AU (1) | AU2016374914B2 (ja) |
BR (1) | BR112018012403A2 (ja) |
IL (1) | IL259914B (ja) |
PH (1) | PH12018501316A1 (ja) |
TW (1) | TWI702217B (ja) |
WO (1) | WO2017110729A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108699050B (zh) * | 2016-02-26 | 2021-06-11 | 日本农药株式会社 | 苯并噁唑化合物或其盐类及含有该化合物的农业园艺用杀虫剂及其使用方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0347174A (ja) * | 1989-05-15 | 1991-02-28 | Janssen Pharmaceut Nv | 抗ライノウイルス性のピペリジニル、ピロリジニルおよびピペラジニルアルキルフエノールエーテル類 |
JPH07188227A (ja) * | 1993-12-24 | 1995-07-25 | Japan Tobacco Inc | チアゾリジン誘導体及びオキサゾール誘導体 |
JP2002533327A (ja) * | 1998-12-18 | 2002-10-08 | サノフィ−サンテラボ | 3−(3,4−ジハロフェニル)−2,6−ジオキソピペリジン−3−プロピオン酸のアルキルエステルの中間体としての使用 |
JP2005502600A (ja) * | 2001-06-07 | 2005-01-27 | イーライ・リリー・アンド・カンパニー | ペルオキシソーム増殖因子活性化受容体(ppar)のモジュレーター |
WO2014104407A1 (en) | 2012-12-27 | 2014-07-03 | Sumitomo Chemical Company, Limited | Fused oxazole compounds and use thereof for pest control |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2693320T3 (es) * | 2014-06-26 | 2018-12-11 | Sumitomo Chemical Company, Limited | Método para la producción compuestos heterocíclicos condensados |
-
2016
- 2016-12-19 JP JP2017558112A patent/JP6763401B2/ja active Active
- 2016-12-19 CN CN201680074839.7A patent/CN108368097B/zh active Active
- 2016-12-19 KR KR1020187020886A patent/KR102627711B1/ko active IP Right Grant
- 2016-12-19 US US16/064,481 patent/US10253021B2/en not_active Expired - Fee Related
- 2016-12-19 EP EP16878618.4A patent/EP3395815A4/en not_active Withdrawn
- 2016-12-19 WO PCT/JP2016/087746 patent/WO2017110729A1/ja active Application Filing
- 2016-12-19 BR BR112018012403-6A patent/BR112018012403A2/ja not_active IP Right Cessation
- 2016-12-19 AU AU2016374914A patent/AU2016374914B2/en not_active Expired - Fee Related
- 2016-12-20 TW TW105142250A patent/TWI702217B/zh not_active IP Right Cessation
-
2018
- 2018-06-10 IL IL259914A patent/IL259914B/en active IP Right Grant
- 2018-06-20 PH PH12018501316A patent/PH12018501316A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0347174A (ja) * | 1989-05-15 | 1991-02-28 | Janssen Pharmaceut Nv | 抗ライノウイルス性のピペリジニル、ピロリジニルおよびピペラジニルアルキルフエノールエーテル類 |
JPH07188227A (ja) * | 1993-12-24 | 1995-07-25 | Japan Tobacco Inc | チアゾリジン誘導体及びオキサゾール誘導体 |
JP2002533327A (ja) * | 1998-12-18 | 2002-10-08 | サノフィ−サンテラボ | 3−(3,4−ジハロフェニル)−2,6−ジオキソピペリジン−3−プロピオン酸のアルキルエステルの中間体としての使用 |
JP2005502600A (ja) * | 2001-06-07 | 2005-01-27 | イーライ・リリー・アンド・カンパニー | ペルオキシソーム増殖因子活性化受容体(ppar)のモジュレーター |
WO2014104407A1 (en) | 2012-12-27 | 2014-07-03 | Sumitomo Chemical Company, Limited | Fused oxazole compounds and use thereof for pest control |
Non-Patent Citations (1)
Title |
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See also references of EP3395815A4 |
Also Published As
Publication number | Publication date |
---|---|
TWI702217B (zh) | 2020-08-21 |
CN108368097B (zh) | 2021-03-09 |
KR102627711B1 (ko) | 2024-01-22 |
TW201730187A (zh) | 2017-09-01 |
PH12018501316A1 (en) | 2019-02-18 |
IL259914B (en) | 2021-04-29 |
EP3395815A1 (en) | 2018-10-31 |
AU2016374914B2 (en) | 2020-08-13 |
US10253021B2 (en) | 2019-04-09 |
AU2016374914A1 (en) | 2018-07-05 |
JP6763401B2 (ja) | 2020-09-30 |
EP3395815A4 (en) | 2019-05-29 |
JPWO2017110729A1 (ja) | 2018-10-11 |
IL259914A (en) | 2018-07-31 |
BR112018012403A2 (ja) | 2018-12-04 |
CN108368097A (zh) | 2018-08-03 |
US20190002451A1 (en) | 2019-01-03 |
KR20180095911A (ko) | 2018-08-28 |
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