WO2010001673A1 - フルオロプロピレンカーボネートの製造法 - Google Patents
フルオロプロピレンカーボネートの製造法 Download PDFInfo
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- WO2010001673A1 WO2010001673A1 PCT/JP2009/059585 JP2009059585W WO2010001673A1 WO 2010001673 A1 WO2010001673 A1 WO 2010001673A1 JP 2009059585 W JP2009059585 W JP 2009059585W WO 2010001673 A1 WO2010001673 A1 WO 2010001673A1
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- formula
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- BTWDNSFQLXOULZ-UHFFFAOYSA-N CN(NO1)OC1=O Chemical compound CN(NO1)OC1=O BTWDNSFQLXOULZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings 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
- C07D317/34—Oxygen atoms
- C07D317/36—Alkylene carbonates; Substituted alkylene carbonates
- C07D317/38—Ethylene carbonate
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings 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
- C07D317/34—Oxygen atoms
- C07D317/36—Alkylene carbonates; Substituted alkylene carbonates
Definitions
- the present invention relates to a method for producing fluoropropylene carbonate.
- Fluoropropylene carbonate is used as a solvent for non-aqueous electrolytes used in electrochemical devices such as secondary batteries and capacitors.
- This fluoropropylene carbonate is produced by the following production method.
- (2) Direct fluorination method of propylene carbonate using fluorine gas (Non-patent documents 3 to 5)
- the object of the present invention is to provide a method for producing fluoropropylene carbonate in a safe and high yield using a fluorinating agent.
- the present invention Formula (1): (Wherein X 1 , X 2 , X 3 and X 4 are the same or different, and all are hydrogen atoms or —CH 2 Y (Y is a group other than a hydrogen atom and is eliminated in a fluorination reaction), provided that X Wherein at least one of X 1 , X 2 , X 3 and X 4 is —CH 2 Y), wherein a fluorinating agent is allowed to act on the propylene carbonate derivative represented by formula (2): (Wherein R 1 , R 2 , R 3 and R 4 are the same or different and all are H or —CH 2 F; provided that at least one of R 1 , R 2 , R 3 and R 4 is —CH 2 F).
- the fluorinating agent is preferably a compound represented by hydrofluoric acid, hydrofluoric acid salt, fluorine gas, or a formula: MF (wherein M is an alkali metal atom or a quaternary ammonium cation).
- a chlorine atom, —OH or —OSO 2 R R is an aliphatic or aromatic group optionally containing a halogen atom, a nitrogen atom or an oxygen atom.
- Group hydrocarbon group
- the propylene carbonate derivative represented by the formula (1) is represented by the formula (1-1): (Wherein Y is the same as described above), which is represented by formula (2-1): It is suitable for the production of 3-fluoropropylene carbonate represented by
- fluoropropylene carbonate can be produced safely at a high yield in one step (one pot).
- Formula (2) of the present invention (Wherein R 1 , R 2 , R 3 and R 4 are the same or different and all are H or —CH 2 F; provided that at least one of R 1 , R 2 , R 3 and R 4 is —CH 2 F) is a group capable of easily leaving one of the —CH 3 hydrogen atoms of a propylene carbonate derivative as a starting material when a fluorinating agent is acted thereon.
- the fluorination reaction can be carried out selectively and efficiently, and fluoropropylene carbonate can be produced in a safe and high yield.
- the starting material used in the present invention is represented by the formula (1): (Wherein X 1 , X 2 , X 3 and X 4 are the same or different, and all are hydrogen atoms or —CH 2 Y (Y is a group other than a hydrogen atom and is eliminated in a fluorination reaction), provided that X 1 , at least one of X 2 , X 3 and X 4 is —CH 2 Y).
- a plurality of X 1 , X 2 , X 3 and X 4 may be all —CH 2 Y, but one is —CH 2 Y from the viewpoint of low viscosity as a solvent of the nonaqueous electrolyte. Certain 3-substituted propylene carbonates are preferred.
- the leaving group Y may be any group that is easily detached when a fluorinating agent is allowed to act and is replaced with a fluorine atom.
- Preferable leaving group Y is, for example, a chlorine atom, —OH or —OSO 2 R (R is an aliphatic or aromatic hydrocarbon group which may contain a halogen atom, nitrogen atom or oxygen atom, preferably carbon number 1 to 8 hydrocarbon groups).
- R include, for example, —CH 3 , —CH 2 CH 3 , —CH (CH 3 ) 2 , —CH 2 CH 2 CH 3 , —C (CH 3 ) 3 , —CH 2 CH (CH 3 ).
- alkyl group which may have a fluorine atom having 1 to 4 carbon atoms, such as (CF 3 ) 2 , —CF 2 CF 2 CF 2 CF 3 ;
- Aryl groups such as
- a plurality of leaving groups Y may be the same or different, but preferably the same ones are preferable because the reaction can be facilitated by making the reactivity the same.
- fluorinating agent a conventionally known fluorinating agent can be used.
- hydrofluoric acid hydrofluoric acid salt, fluorine gas, a compound represented by the formula: MF (wherein M is an alkali metal atom or a quaternary ammonium cation), etc. It can be illustrated.
- hydrofluoric acid salt examples include amine hydrofluoric acid salts such as triethylamine monohydrofluoric acid salt.
- Examples of compounds represented by MF include metal fluorides such as KF, NaF, CsF, and LiF; (CH 3 CH 2 ) 2 NCF 2 CFHCF 3 , (CH 3 CH 2 ) 2 NSF 3 , CH 3 CH 2 CH 2 CH 2 A compound of a quaternary ammonium cation such as N + F ⁇ (TBAF) and a fluorine anion.
- metal fluorides such as KF, NaF, CsF, and LiF
- (CH 3 CH 2 ) 2 NCF 2 CFHCF 3 (CH 3 CH 2 ) 2 NSF 3 , CH 3 CH 2 CH 2 CH 2
- a compound of a quaternary ammonium cation such as N + F ⁇ (TBAF) and a fluorine anion.
- hydrofluoric acid, hydrofluoric acid salt, fluorine gas, and a compound represented by MF are preferable from the viewpoint of high reactivity, and a compound represented by MF is particularly preferable from the viewpoint of easy operation.
- the fluorinating agent to be actuated is selected according to the type of the leaving group Y, and the fluorination reaction scheme is determined. Some of them will be described with reference to the production of 3-fluoropropylene carbonate.
- the intermediate (I) can also be regarded as a starting material.
- the leaving group Y is —CF (N (CH 2 CH 3 ) 2 ) (CFHCF 3 ), and the fluorinating agent is hydrofluoric acid. (HF).
- fluorination proceeds in this reaction scheme is the case of using (CH 3 CH 2 ) 2 NSF 3 , SF 4 , SO 2 F 2 , COF 2 or the like as the fluorinating agent.
- reaction solvent is not particularly required, but when (CH 3 CH 2 ) 2 NCF 2 CFHCF 3 , SF 4 , SO 2 F 2 , COF 2 , (CH 3 CH 2 ) 2 NSF 3 or the like is used as a fluorinating agent. May use polar solvents such as dichloromethane, chloroform, tetrahydrofuran, dimethylacetamide, dimethylformamide, glyme solvents, acetonitrile, acetone, toluene, ethyl acetate and the like.
- the reaction is completed in 1 to 10 hours, and the desired 3-fluoropropylene carbonate (2-1) is obtained in a yield (80 to 99%) and a purity (GC measurement) of 90 to 99%.
- 3-Hydroxypropylene carbonate (1-1) can be easily synthesized in a high yield by a known method in which glycerin and carbon dioxide are reacted. Also known are a method of reacting glycerin and phosgene (for example, JP-A-6-9610) and a method of reacting glycerin and ethylene carbonate using aluminum oxide as a catalyst (for example, JP-A-6-329663).
- the production method of the present invention using 3-hydroxypropylene carbonate as a starting material is advantageous from the viewpoint of synthesis and availability of the starting material.
- Reaction Scheme 2 Leaving group Y: —Cl, —OSO 2 R (R is an aliphatic or aromatic hydrocarbon group which may contain a halogen atom, a nitrogen atom or an oxygen atom)
- Fluorinating agent metal fluoride (CsF, KF, NaF, LiF, etc.), hydrofluoric acid (HF), hydrofluoric acid salt Reaction scheme:
- the fluorinating agent reacts directly with the leaving group at the 3-position of 3-Y substituted propylene carbonate (1-2).
- the reaction temperature is preferably 50 to 150 ° C. with stirring.
- a reaction solvent is preferably used, and examples thereof include polar solvents such as dichloromethane, chloroform, tetrahydrofuran, dimethylacetamide, dimethylformamide, glyme solvents, acetonitrile, acetone, toluene, and ethyl acetate.
- the reaction is completed in 2 to 8 hours, and the desired 3-fluoropropylene carbonate (2-1) is obtained with a purity (GC measurement) of 90 to 99% in a yield of 70 to 99%.
- the compound in which the leaving group Y is —OSO 2 R is, for example, 3-hydroxy of the formula (1-1) It can be easily synthesized by reacting propylene carbonate with a sulfonating agent (X-OSO 2 R (X is F, Cl, Br, I)) such as alkyl sulfonic acid halide and aryl sulfonic acid halide.
- a sulfonating agent X-OSO 2 R (X is F, Cl, Br, I)
- reaction solvent organic solvents such as dichloromethane, chloroform, tetrahydrofuran, dimethylacetamide, dimethylformamide, glyme solvents, polar solvents such as acetonitrile, acetone, toluene and ethyl acetate may be used. It is also preferable to use a base such as triethylamine or pyridine as the catalyst.
- the reaction is completed in 1 to 5 hours, and the target 3-Y substituted propylene carbonate (1-2) is obtained with a yield (GC measurement) of 90 to 99% in a yield of 80 to 99%.
- 3-Y substituted propylene carbonate (1-2) which is the starting material used in Reaction Scheme 2
- a compound in which the leaving group Y is a chlorine atom, that is, 3-chloropropylene carbonate, is epichlorohydrin and CO 2.
- Fluoropropylene carbonate obtained by the production method of the present invention has the effect of improving ion conductivity and rate characteristics as an additive for a non-aqueous electrolyte of a lithium secondary battery.
- a reflux tube was attached to the top of a 500 mL glass three-necked flask equipped with a stirrer, and a reactor was assembled so that gas escaped outside the system through an alkali trap under a nitrogen flow, and 100 g of 3-hydroxypropylene carbonate was placed in the reactor. (850 mmol) was added and stirred in an ice bath. Thereafter, 190 g (850 mmol) of 1,1,2,3,3,3-hexafluoro-1-diethylaminopropane was added dropwise using a dropping funnel. At that time, an exotherm of about 20 ° C. was confirmed. After confirming the disappearance of the raw materials using GC, the reaction was stopped. Stirring was performed for 24 hours.
- a reflux tube was attached to the top of a 500 mL glass three-necked flask equipped with a stirrer, and a reactor was assembled so that gas escaped outside the system through an alkali trap under a nitrogen flow, and 100 g of 3-hydroxypropylene carbonate was placed in the reactor. (850 mmol), dichloromethane was added, and the mixture was stirred at -78 ° C. Thereafter, 190 g (850 mmol) of diethylaminosulfur trifluoride was dropped using a dropping funnel. At that time, an exotherm of about 20 ° C. was confirmed. After confirming the disappearance of the raw materials using GC, the reaction was stopped. Stirring was performed for 2 hours.
- the lower layer compound was measured by 1 H-NMR and found to be 3- (p-toluenesulfonyl) propylene carbonate (yield 83%, 192 g (706 mmol)).
- a reflux tube was attached to the top of a 500 mL glass three-necked flask equipped with a stirrer, and a reactor equipped with a nitrogen balloon was assembled.
- 116 g (850 mmol) of 3-chloropropylene carbonate and potassium fluoride (KF) 64 g (1.11 mol) and 200 mL of diglyme were added and stirred. Thereafter, the mixture was heated to 150 ° C. and stirred until the raw material disappeared. Stirring was performed for 2 hours. After the reaction, the mixture was allowed to stand at room temperature, diluted with ethyl acetate, and the resulting salt was filtered.
- KF potassium fluoride
- a reflux tube was attached to the top of a 500 mL glass three-necked flask equipped with a stirrer, and a reactor was assembled so that gas escaped outside the system through an alkali trap under a nitrogen flow, and 3,4-di ( Hydroxymethyl) ethylene carbonate 63.1 g (425 mmol) and dichloromethane were added and the mixture was stirred at -78 ° C. Thereafter, 190 g (850 mmol) of diethylaminosulfur trifluoride was dropped using a dropping funnel. At that time, an exotherm of about 20 ° C. was confirmed. After confirming the disappearance of the raw materials using GC, the reaction was stopped. Stirring was performed for 2 hours.
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- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Abstract
Description
(1)エポキシ基含有含フッ素化合物(1-フルオロ-2,3-エポキシプロパン)と二酸化炭素との反応による方法(非特許文献1~2)
(2)プロピレンカーボネートのフッ素ガスを用いた直接フッ素化方法(非特許文献3~5)
式(1):
脱離性基Y:-Cl、-OSO2R(Rはハロゲン原子、窒素原子または酸素原子を含んでいてもよい脂肪族または芳香族炭化水素基)
フッ素化剤:金属フッ化物(CsF、KF、NaF、LiFなど)、フッ酸(HF)、フッ酸塩
反応スキーム:
(1)NMR
装置:BRUKER製のAC-300
測定条件:
19F-NMR:282MHz(トリフルオロメチルベンゼン=-62.3ppm)
1H-MNR:300MHz(トリフルオロメチルベンゼン=7.51ppm)
(2)GC
(株)島津製作所製のGC-17Aを使用する。カラムはDB624(長さ60m、内径0.32mm、膜厚1.8mm)を使用する。
19F-NMR:(重アセトン):-237.6~-237.0ppm(1F)
1H-NMR:(重アセトン):4.40~5.11ppm(5H)
19F-NMR:(重アセトン):-237.6~-237.0ppm(1F)
1H-NMR:(重アセトン):4.40~5.11ppm(5H)
撹拌装置を備えた500mLのガラス製3口フラスコの上部に還流管を取り付け、窒素バルーンを取り付けた反応装置を組み、反応器内に3-ヒドロキシプロピレンカーボネート100g(850mmol)、テトラヒドロフラン125ml、トリエチルアミン86g(850mmol)を加え氷浴下で撹拌を行った。その後滴下ロートを用いて、メチルスルホン酸クロライド107g(935mmol)を滴下した。そのとき20℃程度の発熱を確認した。原料消失の確認をGCを用いて行った後、反応を止めた。反応溶液の撹拌は24時間行った。反応後、反応溶液を1N-HClでクエンチし、下層を硫酸マグネシウムで乾燥後、得られた化合物を2段目の反応に用いた。
1H-NMR:(重アセトン):3.10~3.20ppm(3H)、4.35~4.71ppm(4H)、5.10~5.16ppm(1H)
撹拌装置を備えた500mLのガラス製3口フラスコの上部に還流管を取り付け、窒素バルーンを取り付け反応装置を組み、反応器内にセシウムフロライド(CsF)143g(940mmol)、1段目の反応で得られた3-メチルスルホニルプロピレンカーボネート141g(723mmol)、ジグライム200mLを入れて撹拌を行った。その後150℃に加熱し、原料が消失するまで撹拌を行った。撹拌は2時間行った。反応後室温下まで放置し、酢酸エチルを用いて希釈し、生成した塩をろ過した。その後水洗を行い、硫酸マグネシウムで乾燥後、蒸留を行い、目的生成物を69g(578mmol)得た。19F-NMR、1H-NMRで測定し、3-フルオロプロピレンカーボネートであることを確認した。
19F-NMR:(重アセトン):-237.6~-237.0ppm(1F)
1H-NMR:(重アセトン):4.40~5.11ppm(5H)
撹拌装置を備えた500mLのガラス製3口フラスコの上部に還流管を取り付け、窒素バルーンを取り付けた反応装置を組み、反応器内に3-ヒドロキシプロピレンカーボネート100g(850mmol)、テトラヒドロフラン125ml、トリエチルアミン100g(850mmol)を加え氷浴下で撹拌を行った。その後滴下ロートを用いて、p-トルエンスルホン酸クロライド178g(935mmol)を滴下した。そのとき20℃程度の発熱を確認した。原料消失の確認をGCを用いて行った後、反応を止めた。反応溶液の撹拌は24時間行った。反応後、反応溶液を1N-HClでクエンチし、下層を硫酸マグネシウムで乾燥後、得られた化合物を2段目の反応に用いた。
1H-NMR:(重アセトン):2.25~2.34ppm(3H)、4.35~4.71ppm(4H)、5.15~5.20ppm(1H)、7.23~7.82ppm(4H)
撹拌装置を備えた500mLのガラス製3口フラスコの上部に還流管を取り付け、窒素バルーンを取り付け反応装置を組み、反応器内にセシウムフロライド(CsF)139g(918mmol)、1段目の反応で得られた3-(p-トルエンスルホニル)プロピレンカーボネート192g(706mmol)、ジグライム200mLを入れて撹拌を行った。その後150℃に加熱し、原料が消失するまで撹拌を行った。撹拌は2時間行った。反応後室温下まで放置し、酢酸エチルを用いて希釈し、生成した塩をろ過した。その後水洗を行い、硫酸マグネシウムで乾燥後、蒸留を行い、目的生成物を68g(565mmol)得た。19F-NMR、1H-NMRで測定し、3-フルオロプロピレンカーボネートであることを確認した。
19F-NMR:(重アセトン):-237.6~-237.0ppm(1F)
1H-NMR:(重アセトン):4.40~5.11ppm(5H)
19F-NMR:(重アセトン):-237.6~-237.0ppm(1F)
1H-NMR:(重アセトン):4.40~5.11ppm(5H)
19F-NMR:(重アセトン):-237.3~-237.0ppm(2F)
1H-NMR:(重アセトン):4.40~5.00ppm(4H)
撹拌装置を備えた500mLのガラス製3口フラスコの上部に還流管を取り付け、窒素バルーンを取り付けた反応装置を組み、反応器内に3-ヒドロキシプロピレンカーボネート100g(850mmol)、テトラヒドロフラン125ml、トリエチルアミン86g(850mmol)を加え氷浴下で撹拌を行った。その後滴下ロートを用いて、メチルスルホン酸クロライド107g(935mmol)を滴下した。そのとき20℃程度の発熱を確認した。原料消失の確認をGCを用いて行った後、反応を止めた。反応溶液の撹拌は24時間行った。反応後、反応溶液を1N-HClでクエンチし、下層を硫酸マグネシウムで乾燥後、得られた化合物を2段目の反応に用いた。
1H-NMR:(重アセトン):3.10~3.20ppm(3H)、4.35~4.71ppm(4H)、5.10~5.16ppm(1H)
撹拌装置を備えた500mLのガラス製3口フラスコの上部に還流管を取り付け、窒素バルーンを取り付け反応装置を組み、反応器内に、1段目で得られた3-メチルスルホニルプロピレンカーボネート141g(723mmol)、トリエチルアミンモノフッ酸塩114g(940mmol)、ジグライム200mLを入れて撹拌を行った。その後150℃に加熱し、原料が消失するまで撹拌を行った。撹拌は2時間行った。反応後室温下まで放置し、酢酸エチルを用いて希釈し、生成した塩をろ過した。その後水洗を行い、硫酸マグネシウムで乾燥後、蒸留を行い、目的生成物を56.1g(468mmol)得た。19F,1H-NMRで測定し、3-フルオロプロピレンカーボネートであることを確認した。
19F-NMR:(重アセトン):-237.6~-237.0ppm(1F)
1H-NMR:(重アセトン):4.40~5.11ppm(5H)
Claims (4)
- フッ素化剤が、フッ酸、フッ酸塩、フッ素ガスまたは式:MF(式中、Mはアルカリ金属原子または4級アンモニウムカチオン)で示される化合物である請求項1記載の製造法。
- フッ素化反応において脱離する基Yが、塩素原子、-OHまたは-OSO2R(Rはハロゲン原子、窒素原子または酸素原子を含んでいてもよい脂肪族または芳香族炭化水素基)である請求項1または2記載の製造法。
Priority Applications (6)
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KR1020107029735A KR101271898B1 (ko) | 2008-06-30 | 2009-05-26 | 플루오로프로필렌카르보네이트의 제조법 |
CN200980125501.XA CN102076675B (zh) | 2008-06-30 | 2009-05-26 | 氟代碳酸丙烯酯的制造方法 |
JP2010518965A JP5234109B2 (ja) | 2008-06-30 | 2009-05-26 | フルオロプロピレンカーボネートの製造法 |
RU2011103166/04A RU2470019C2 (ru) | 2008-06-30 | 2009-05-26 | Способ получения фторпропиленкарбоната |
US13/002,002 US8519161B2 (en) | 2008-06-30 | 2009-05-26 | Process for preparing fluoropropylene carbonate |
EP09773251.5A EP2308862B1 (en) | 2008-06-30 | 2009-05-26 | Manufacturing method for fluoropropylene carbonate |
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EP (1) | EP2308862B1 (ja) |
JP (1) | JP5234109B2 (ja) |
KR (1) | KR101271898B1 (ja) |
CN (1) | CN102076675B (ja) |
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JP2012216544A (ja) * | 2011-03-31 | 2012-11-08 | Daikin Ind Ltd | 電気化学デバイス及び電気化学デバイス用非水電解液 |
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CN104557848A (zh) * | 2015-01-09 | 2015-04-29 | 山东师范大学 | 氟代碳酸丙烯酯的制备方法 |
CN115626907B (zh) * | 2022-11-03 | 2024-04-16 | 多氟多新材料股份有限公司 | 一种4-三氟代甲基碳酸乙烯酯的制备方法 |
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Cited By (2)
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JP2012216544A (ja) * | 2011-03-31 | 2012-11-08 | Daikin Ind Ltd | 電気化学デバイス及び電気化学デバイス用非水電解液 |
JP2013201142A (ja) * | 2011-03-31 | 2013-10-03 | Daikin Ind Ltd | 電気化学デバイス及び電気化学デバイス用非水電解液 |
Also Published As
Publication number | Publication date |
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JPWO2010001673A1 (ja) | 2011-12-15 |
EP2308862A1 (en) | 2011-04-13 |
EP2308862B1 (en) | 2015-10-28 |
US8519161B2 (en) | 2013-08-27 |
EP2308862A4 (en) | 2011-09-07 |
KR20110015032A (ko) | 2011-02-14 |
US20110118485A1 (en) | 2011-05-19 |
CN102076675B (zh) | 2013-06-26 |
RU2470019C2 (ru) | 2012-12-20 |
KR101271898B1 (ko) | 2013-06-05 |
RU2011103166A (ru) | 2012-08-10 |
CN102076675A (zh) | 2011-05-25 |
JP5234109B2 (ja) | 2013-07-10 |
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