JP5753493B2 - 4,6−ジアルコキシ−2−シアノメチルピリミジンの製造方法及びその合成中間体 - Google Patents
4,6−ジアルコキシ−2−シアノメチルピリミジンの製造方法及びその合成中間体 Download PDFInfo
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- JP5753493B2 JP5753493B2 JP2011525789A JP2011525789A JP5753493B2 JP 5753493 B2 JP5753493 B2 JP 5753493B2 JP 2011525789 A JP2011525789 A JP 2011525789A JP 2011525789 A JP2011525789 A JP 2011525789A JP 5753493 B2 JP5753493 B2 JP 5753493B2
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- butyl
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- 238000000034 method Methods 0.000 title claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 36
- 238000004519 manufacturing process Methods 0.000 claims description 21
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- 239000002253 acid Substances 0.000 claims description 18
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
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- 238000006114 decarboxylation reaction Methods 0.000 claims description 4
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- 230000007062 hydrolysis Effects 0.000 claims description 3
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- ITDVJJVNAASTRS-UHFFFAOYSA-N 4,6-dimethoxy-2-methylsulfonylpyrimidine Chemical compound COC1=CC(OC)=NC(S(C)(=O)=O)=N1 ITDVJJVNAASTRS-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
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- 230000000052 comparative effect Effects 0.000 description 3
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 3
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- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
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- 239000008096 xylene Substances 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
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- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- USPLDBATMHXKKD-UHFFFAOYSA-N dichloromethane;pentane Chemical compound ClCCl.CCCCC USPLDBATMHXKKD-UHFFFAOYSA-N 0.000 description 1
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- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- APQDFAYYERUTGQ-UHFFFAOYSA-N methyl 2-cyano-2-(4,6-dimethoxypyrimidin-2-yl)acetate Chemical compound COC(=O)C(C#N)C1=NC(OC)=CC(OC)=N1 APQDFAYYERUTGQ-UHFFFAOYSA-N 0.000 description 1
- ANGDWNBGPBMQHW-UHFFFAOYSA-N methyl cyanoacetate Chemical compound COC(=O)CC#N ANGDWNBGPBMQHW-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000006217 methyl sulfide group Chemical group [H]C([H])([H])S* 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- CHNLPLHJUPMEOI-UHFFFAOYSA-N oxolane;trifluoroborane Chemical compound FB(F)F.C1CCOC1 CHNLPLHJUPMEOI-UHFFFAOYSA-N 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000012066 reaction slurry Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- WMOVHXAZOJBABW-UHFFFAOYSA-N tert-butyl acetate Chemical class CC(=O)OC(C)(C)C WMOVHXAZOJBABW-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
- C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
-
- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
-
- 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
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Medicinal Chemistry (AREA)
- Plant Pathology (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
(式中、Rはアルキル基を示す。)
で表されるシアノ酢酸t−ブチル誘導体を、スルホン酸、鉱酸、ギ酸又は酢酸から選ばれるカルボン酸、ルイス酸及び固体酸から選択される酸の存在下、10〜100℃で反応させることを特徴とする、一般式(2)
(式中、Rは前記と同じ意味を示す。)
で表される4,6−ジアルコキシ−2−シアノメチルピリミジンの製造方法。
(式中、Rはアルキル基を示す。)
で表されるシアノ酢酸t−ブチル誘導体が、シアノ酢酸t−ブチルと、一般式(3)
(式中、Rは前記と同じ意味を示す。)
で表される4,6−ジアルコキシ−2−メタンスルホニルピリミジンを反応させて製造されるものである、〔1〕に記載の4,6−ジアルコキシ−2−シアノメチルピリミジンの製造方法。
(式中、Rは前記と同じ意味を示す。)
で表されるように、互変異性体として一般式(1’)で表される2−シアノ−2−(4,6−ジアルコキシピリミジン−2−イル)酢酸t−ブチルが存在する。本明細書においては、一般式(1)で表されるシアノ酢酸t−ブチル誘導体の具体的な名称は、対応する互変異性体である、一般式(1’)で表される2−シアノ−2−(4,6−ジアルコキシピリミジン−2−イル)酢酸t−ブチルの構造に準じて呼称及び記載するものとする。
A:2−シアノ−2−(4,6−ジメトキシピリミジン−2−イル)酢酸t−ブチルの製造
マグネットスターラー、還流管を備えた100mlのナス型フラスコに、炭酸カリ6.08g(44mmol)、2−メタンスルホニル−4,6−ジメトキシピリミジン4.36g(20mmol)、シアノ酢酸t−ブチル3.11g(22mmol)、N,N−ジメチルホルムアミド10mlを加え、系を窒素置換した後、60℃で2時間、70℃で4時間攪拌した。反応スラリー液を室温まで冷却後、5%塩酸水溶液30mlに投入し、更に50mlの水を加え、濃塩酸を系が酸性になるまで滴下し、充分に攪拌した後、ろ過し、30mlの水で洗浄した。得られた結晶を乾燥し、2−シアノ−2−(4,6−ジメトキシピリミジン−2−イル)酢酸t−ブチルが5.4gの白色結晶として得られた。HPLC純度99.3%、収率97%。
1H−NMR(300MHz,CDCl3) δ:13.24(br,1H),5.35(d,J=2.1Hz,1H),4.04(s,3H),3.94(s,3H),1.53(s,9H)ppm.
LC−MS(M+1)+=280.1.
マグネットスターラー、還流管を備えた50mlのナス型フラスコに、2−シアノ−2−(4,6−ジメトキシピリミジン−2−イル)酢酸t−ブチル2.79g(10mmol)、トルエン10ml、次いでメタンスルホン酸0.38g(4mmol)を加え、系内を窒素置換した後、100℃で2時間攪拌した。反応終了後、系を室温まで冷却し、水30ml、酢酸エチル30mlを加え分液し、更に酢酸エチル20mlで再抽出した。酢酸エチル相を併せ、飽和食塩水で洗浄し、無水硫酸ナトリウムで乾燥した後、減圧下酢酸エチルを留去し、2−シアノメチル−4,6−ジメトキシピリミジンが1.45gの白色結晶として得られた。HPLC純度95.7%、収率81%。
1H−NMR(300MHz,CDCl3) δ:5.97(s,1H),3.96(s,6H),3.88(s,2H)ppm.
LC−MS(M+1)+=180.4.
マグネットスターラー、還流管を備えた15mlの試験管型反応器に、2−シアノ−2−(4,6−ジメトキシピリミジン−2−イル)酢酸t−ブチル0.28g(1mmol)、トルエン1ml、35%塩酸0.5g(5mmol)を加え、100℃で5時間攪拌した。このときの反応液の成分は、トルエンを除いたHPLC(UV:254nm)の面積比で2−シアノメチル−4,6−ジメトキシピリミジンが84.0%であった。
マグネットスターラー、還流管を備えた15mlの試験管型反応器に、2−シアノ−2−(4,6−ジメトキシピリミジン−2−イル)酢酸エチル0.25g(1mmol)、トルエン1ml、メタンスルホン酸0.04g(0.4mmol)を加え、100℃で3.5時間攪拌した。このときの反応液の成分は、トルエンを除いたHPLC(UV:254nm)の面積比で2−シアノメチル−4,6−ジメトキシピリミジンが0.9%であり、原料である2−シアノ−2−(4,6−ジメトキシピリミジン−2−イル)酢酸エチルは59.2%残存していた。
2−メタンスルホニル−4,6−ジメトキシピリミジン436g(2mol)、シアノ酢酸メチル218g(2.2mol)をN,N−ジメチルホルムアミド2.0Lに溶解し、80℃にて炭酸カリ304g(2.2mol)を徐々に加えた後、同温度で3時間攪拌した。反応液を氷水中にあけ、濃塩酸でpH=1にした後、1時間攪拌した。析出した結晶をろ別し、水洗した。得られた含水2−シアノ−2−(4,6−ジメトキシピリミジン−2−イル)酢酸メチルをジメチルスルホキシド1.5Lに懸濁させ、150℃で3時間攪拌した。室温まで冷却後、反応液を水にあけ、析出した結晶をろ別し、水洗、乾燥した。収率60%で2−シアノメチル−4,6−ジメトキシピリミジンが得られた。
Claims (4)
- 酸存在下での反応が、イソブテンと二酸化炭素の発生を伴う脱保護、又は加水分解及び脱炭酸である請求項1に記載の4,6−ジアルコキシ−2−シアノメチルピリミジンの製造方法。
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PCT/JP2010/004899 WO2011016228A1 (ja) | 2009-08-07 | 2010-08-04 | 4,6-ジアルコキシ-2-シアノメチルピリミジンの製造方法及びその合成中間体 |
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JPN6014040448; Fischer GM et al: Chem Eur J Vol.15, 2009, p.4857-4864, Supporting Information * |
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CN105130908A (zh) | 2015-12-09 |
US20120190851A1 (en) | 2012-07-26 |
AU2010280279A1 (en) | 2012-03-29 |
IL217959A0 (en) | 2012-03-29 |
KR101716255B1 (ko) | 2017-03-14 |
CN105130908B (zh) | 2018-03-27 |
WO2011016228A1 (ja) | 2011-02-10 |
EP2463277A1 (en) | 2012-06-13 |
CO6612175A2 (es) | 2013-02-01 |
KR20120049891A (ko) | 2012-05-17 |
EP2463277B1 (en) | 2017-11-08 |
CN102548972A (zh) | 2012-07-04 |
TW201114749A (en) | 2011-05-01 |
US8748605B2 (en) | 2014-06-10 |
BR112012002664A2 (pt) | 2015-10-13 |
ES2655519T3 (es) | 2018-02-20 |
CN102548972B (zh) | 2015-08-19 |
TWI483934B (zh) | 2015-05-11 |
EP2463277A4 (en) | 2013-01-23 |
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