TW199143B - - Google Patents
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- TW199143B TW199143B TW081103792A TW81103792A TW199143B TW 199143 B TW199143 B TW 199143B TW 081103792 A TW081103792 A TW 081103792A TW 81103792 A TW81103792 A TW 81103792A TW 199143 B TW199143 B TW 199143B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
- C07C47/06—Acetaldehyde
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/34—Halogenated alcohols
- C07C31/40—Halogenated alcohols perhalogenated
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/48—Preparation of compounds having groups
- C07C41/50—Preparation of compounds having groups by reactions producing groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/30—Compounds having groups
- C07C43/317—Compounds having groups having groups, X being hydrogen or metal
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/41—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/52—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition by dehydration and rearrangement involving two hydroxy groups in the same molecule
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Saccharide Compounds (AREA)
- Glass Compositions (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Indole Compounds (AREA)
Description
Λ 6 Π 6 1991^ 五、發明説明(ι) 本發明係有醐一種新穎化學製法,更特言之,係有鼷一 種製供三氟乙醛或其水合物或半箱醛之方法。 三氟乙睡於室溫下為氣Η。然而,其極易與氫氧化溶麵 生成加成物,例如與水生成水合物,或與諸如甲酵或乙酵 之酵類生成半箱醛,其一般係以稱為氟醛水合物之水溶液 態儲存及販售。其可用於許多蕖理活性化合物之製》,例 如,歡洲専利申講栗公告系號第189305號中撟示其用於製 衡人類白血球彌性酶抑制_。 巳知多種方法可製備三氟乙醚或其輿氫氣化溶繭之加成 物》然而,該等方法通常涉及極鳙湛度及/或特殊反應條 件之反應•例如需於蒸氣相中,需使用竃性反應或需 於極低溫下在_水狀《之反應。 其中一種方法侏有闞使用氩飆化合物在蒸氣相中鎭化三 氰乙醛,如歐洲專利申請案公告案§«第156470ΙΚ所述者。 此方可以1產之規棋搡作,但其伴随反應產物生成之部份 鎮化醛類雜霣,不进於欲用做製傅B蕖品之物質。 另一種方法有翮在濃《酸及汞氧化物存在下水解化合物 F3CCHBrCl ,如化學摘要中摘要號碼CA 9A 156316j (捷 克專利申講菜公告系號CS 183467 «之摘要)所述者。由 於所用之反應劑對環境有害•此方法不迪合於商樂化規模 搡作。 文獻中巳E載多種製備三氟乙醛之其他方法。例如,皮 爾斯寧康S [美·化學社鑲誌(以…乂…W 、, 1954, H 300 ]掲示一種涉及在-70它無水狀態下,Μ (請先閲-;*?背而之注意事項#填寫本頁) 裝. 訂- 線- 本紙ifc尺度遑用中·《家楳毕(CNS)T4規怙(210x297公;!U ά ~ 199143 Λ 6 It 6 經濟部屮央標準i;iA工""合作社印级 五、發明説明(2 ) 氳化鋁鋰埋原三氟乙酸之醮類之製法。更近以來·竇納朋 與伯爾登(有機化學雜誌,1990, ^_,4639 )掲示此方法 之改良法,供有«在-78t:無水狀®下Μ二興丁基《氳化 物(DIB AL )埋原三氟乙酸乙醮。不幸地,所需之«度反 應條件及其對大自然潛在危險性之埋原劑,使得此等製備 方法不遘於產規横之操作。 意外地,現巳發現氰醛水合物可鞴於水存在下,Μ氱韉 化坊輿三氟乙酸乙醱反應而獲得》 本發明供提供一種製備三氟乙馥成其水合物或半總醛之 方法,其包括在氫氧化溶_中以氳钃化物埋原朗埋原三氟 乙_之醮類,以生成三氰乙醆水合物或半箱醆;其後,若 需要游難戆鹺.以習用之方法分別從該水合物或半鏟發中 移除水或酵。 本發明之方法具有數種優黏;其係使用現成之起始物質 ,可大規棋操作,所生成之產物不含他種鹵乙醛類,埴點 對於用以製造醫藥產品之物質而言特別重要。 垸醮係三氟乙酸之特別釀類,特別是(1-6C)烷醮,例如 諸如甲_,乙酯或丙釀之(1-4C)烷酯。特佳者為乙齙。 鐮金鼷氳碥化物係一種特別之氳_化物遢原朗,例如氫 砸化納,氫钃化鉀或氫驩化鋰,其中以氫硼化納為佳。 特別的氫氧化溶劑為水,低碳酵(諸如甲酵或乙酵), 或其潘合物,其可選揮性含有一種盹性有機溶劑或稀釋_ 混合,例如一種醚類[赭如四氫呋哺,二氧烷,甲基第二 丁基醚.2-甲飆基乙基醚[亦稱為雯(二甲氧乙)《,二甘 (請先閲讀背而之注意事項—填寫本頁) 本紙張尺度边用中β Η家楳率(CN5) T4执格(2丨0X297公龙) 199143 Λ 6η 6 經濟部屮央櫺準而卩工消仪合作社印^ 五、發明説明(3) 酵二甲基醚)或二甲氣基乙烷]。應能理解,若以水或是 水輿一種純性有機溶劑之灌合物為溶謂,所得之產物為三 氣乙醛之水合物。同樣地•若以酵類(或是醉輿一種鈍性 有機溶Μ )為溶劑,所得產物主要呈三氟乙醛之半鏞醚戆 。而若以水與酵之混合物為溶朗(有或無純性有_溶劑) ,則所得產物可含水合物及半箱Κ二者。特佳之氤氧化溶 _為'水與醮類之混合物,特別是四氫呋喃或2 -甲氧基乙基 醚。 此反應一般係於介於-lOt:至50t:之溫度下進行,較佳 為介於-10TC 至40t:( »如從0至40P ),更佳為介於 .-10TC至30t)(睹如從10至301C ),特別是從-10至20C (箱如從-10至lOt:)。所生成之三氟乙Κ水合物或半嬸 醛可使用檷準之搡作程序依習用方法分雛,並Μ此技«巳 知之方法tt化,例如分餾法。 應能理解,依反應中所使用之枏两而定,分钃鲔化可蠹 生些許伴随反應產物之溶覿共蒸餾物。因此,分钃《程可 能霈重覆進行,或者.如果霈要不含溶_之純化豪物,可 進行他種纯化方法。例如,如果需要婢化之三氟乙联水合 物.可進行霍斯攞德輿阿爾伯特所述(美B化學社雑誌, 1952 , ΖΑ_· 5422-5426 )之純化方法。 雖然本發明方法一般較佳者係使用大約為一當置之《钃 化物«’原例如,大約為一當*之氫硼化納,但亦可使 用«剿之氳碥化物遢應ffi,例如大約二或三當Μ。因此, 較佳者,可使用一至三當量之氫礪化物堪原劑。應能理解 (請先閲讀背而之注意事項巩堪寫本頁) 本紙張尺度逍用中Β Η家«华(CHS) 1Μ規怙(210x297公龙) 199143 Λ 6 Η 6 經濟部屮央標準心卩工消伢合作杜印^ 五、發明説明(4) ,使用一當量之氫_化納,相當於每奠耳_使用四分之一 莫耳之氬钃化納。 較佳者,該氢霸化钧《原_係一步《 —部驟地加至該三 氟乙酸之酯中。較方便地,其係Μ溶於fi氣化《I溶_為其 一或多種姐成份添加。例如,當需要三氟乙理水合物時, Mt金颺氫《化物(諸如氫_化納)較佳係以在水中之瘩液 加至該酯中。 三氟乙醴之酯類係商業上可_得或為已知者,或可依有 機化學習用之方法製備類似者。 本發明方法特別遘合製衡三氟乙醱水合物。 利用氫霸化物以邐原酱類之酯類係出人意外的。此技藝 巳热知,羧烷基一般而言不與氫蘭化鉀或籯_化納進行遢 原反應,例如檷準有機化學教科軎中所戟者,諸如沃格钃 輯之實用有機化學第341頁。相反地,醛類及其水合物被 Ml金鼷氫硼化物堪原成對應之酵類。特別是,巳知三氯乙 醛(即氯醛)如其水合物一樣,被氫_化鉀《原成2; 2,2 -三氰乙烷,即使在溫和反慝條件下,例如於20至301C在 水中亦然。 本發明Μ如下實例說明。 奮锎一 將氰硼化納(11.5克)在水(100毫升)中之溶液Μ— 小畤之時間加至三娥乙酸乙酗(142克)在四氫呋哺 (THF)( 500*升)之溶液中,维持該反應混合物之溫度介 於15至18*0之間。添加完成後,加入水(1〇毫升),另行 (請先閲讀背而之注意事項·?ί埸寫本頁) 本紙張尺度逍《中《«家«华(CHS) 1Μ規格(210X297公*> 199143 Λ 6 It 6 五、發明説明(5 ) 攢拌該混合物30分鐘。然後攪拌中一滴一滴加入壤鼸酸( 10«升).Μ調整該混合物之pH至2至3 .然後加入固態 氣化納(15克)。分雛有機相,於一大氣壓下分钃之,生 成三氟乙睡水合钧(36克)之60% w/v水溶液,沸點為 104-105TC 〇 純化之三氟乙K或其水合物可接者_美_有機化學社雑 誌,1952,LL, 5 422-542 6所載之類似方法製供。 (請先閲請背而之注意事項#1填寫本頁) 經濟部屮央榀準·-ΙΓβ工消1V·合作社印5i 將氳驪化納(15.05克)在水(37.5毫升)中之溶液攫 拌中縵慢加至三氰乙酸乙酯( 250克)在2-甲氧基乙基醚 (500毫升)之溶液中,維持潘度低於0 1C。所有氫_化 納溶液加完後,另行攪拌該混合格半個鏞頭,然後Μ氣相 一液態曆析法分析該混合物》其顯示反應尚未完全進行。 然後,攪拌中加入更多在水(4毫升)中之氫麵化納( 1.51克),維持通度介於-5X3至0 1C之閜,然後再持緬攪 拌一β半小時。然後再Μ氣相一液態牖析法分析該混合物 ,其後,再重覆添加頫外之fi騸化納(1.51克)》然後再 攒拌該反應混合物一小時,然後加入濺确酸(2.4 «升 )在水(12«升)中之溶液,濾掉固態殘餘物。然後在大 氣《下分餾所_之瘩液》100至105它沸騰間所取之分饑 液中含155.6克在水中之三氟乙醛水合物。此分_物之 NHR分析顏示以三氟乙豔乙齙為基礎之產宰為58 X » 裝< 訂· 線- 本紙5fc尺度Affl中國家楳平(CNS) TM規格(2丨
Claims (1)
- L 一種製備三氟乙醛或其水合物或半縮醛之方法,其包含在 —包含水、低碳酵或其混合物之氫氧化溶劑於最高可達 30t)之溫度K最高可達3個當量之鹼金屬硼氫化物還原劑 運原三氣乙酸之U_6C)烧酷,从生成三氟乙賤水合物或半 縮醛;其後.若箱要游離態醛,則以習用之方法分別從該 水合物或半縮醛中移除水或醇。 2. 根據申請專利範圍第1項之方法,其中該(1-6C)焼酯係三 氟乙酸乙酯。 a 根摟申請專利範圍第1項之方法,其中鹼金屬砸氫化物係 硼氫化納。 4. 根據申請專利範圍第1 、2或3項之方法·其中氬氧化溶 劑係水與醚之混合物。 · 5. 根據申請專利範圍第4項之方法,其中醚係四呋喃或 2-甲氧基乙基醚。 & 根據申請專利範圍第1 、2或3項之方法,其中反應溫度 介於-10至301。 7. 根據申請專利範圍第1 、2或3項之方法,其中硼氫化物 堪原劑係逐步地添加至該三氟乙酸之酯中。 8. 根據申請專利範圍第1 、2或3項之方法,其中係使用— 至三當量之硼氫化物逐原劑。 (請先閲讀背面之注意事項再填寫本頁} 絰濟部中央標準局印裝 11 甲 4(210X297公尨)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB919110962A GB9110962D0 (en) | 1991-05-21 | 1991-05-21 | Process |
| GB929209153A GB9209153D0 (en) | 1991-05-21 | 1992-04-28 | Chemical process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW199143B true TW199143B (zh) | 1993-02-01 |
Family
ID=10695354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW081103792A TW199143B (zh) | 1991-05-21 | 1992-05-15 |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US5248832A (zh) |
| EP (1) | EP0516311B1 (zh) |
| JP (1) | JP3243284B2 (zh) |
| KR (1) | KR100235791B1 (zh) |
| AT (1) | ATE157958T1 (zh) |
| CA (1) | CA2068187C (zh) |
| CZ (1) | CZ281785B6 (zh) |
| DE (1) | DE69222088T2 (zh) |
| DK (1) | DK0516311T3 (zh) |
| ES (1) | ES2104831T3 (zh) |
| FI (1) | FI104372B (zh) |
| GB (2) | GB9110962D0 (zh) |
| GR (1) | GR3024874T3 (zh) |
| HU (2) | HU212031B (zh) |
| IE (1) | IE921404A1 (zh) |
| IL (1) | IL101784A (zh) |
| NO (1) | NO179100C (zh) |
| NZ (1) | NZ242612A (zh) |
| RU (1) | RU2056402C1 (zh) |
| TW (1) | TW199143B (zh) |
| ZA (1) | ZA923282B (zh) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0725807A (ja) * | 1993-07-15 | 1995-01-27 | Kureha Chem Ind Co Ltd | ジクロロアセトアルデヒド水和物をクロラールと併産する方法 |
| JP2006257027A (ja) * | 2005-03-17 | 2006-09-28 | Tosoh F-Tech Inc | トリフルオロアセトアルデヒドの水和物および/又はヘミアセタールの製造方法 |
| JP4869625B2 (ja) * | 2005-05-12 | 2012-02-08 | 東ソ−・エフテック株式会社 | トリフルオロアセトアルデヒドヘミアセタールの回収方法 |
| RU2378246C1 (ru) * | 2008-07-17 | 2010-01-10 | Сергей Михайлович Игумнов | Способ получения 3,3,3-трифторпропаналя |
| US9068006B2 (en) | 2010-08-25 | 2015-06-30 | President And Fellows Of Harvard College | Glycated CD59 peptides, their preparation, and uses thereof |
| JP6035918B2 (ja) | 2011-08-03 | 2016-11-30 | セントラル硝子株式会社 | α−フルオロアルデヒド類の製造方法 |
| AU2014360539A1 (en) | 2013-12-03 | 2016-06-23 | President And Fellows Of Harvard College | Methods and reagents for the assessment of gestational diabetes |
| JP6213417B2 (ja) * | 2014-07-30 | 2017-10-18 | セントラル硝子株式会社 | 2,2−ジフルオロアセトアルデヒドの保存安定性の向上方法 |
| EP3612625A4 (en) | 2017-04-21 | 2021-08-18 | Mellitus, LLC | PROCEDURE AND ANTIBODIES FOR DIABETES ASSOCIATED APPLICATIONS |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2568500A (en) * | 1949-10-06 | 1951-09-18 | Minnesota Mining & Mfg | Fluorocarbon aldehydes and their monohydrates |
| US2852569A (en) * | 1954-06-03 | 1958-09-16 | Pennsalt Chemicals Corp | Preparation of perfluoroaldehydes and aldehydrols |
| DE1300539B (de) * | 1967-07-22 | 1969-08-07 | Bayer Ag | Verfahren zur Herstellung von 1, 1-Dihydroperfluoralkanolen |
| US4211727A (en) * | 1979-03-15 | 1980-07-08 | Shell Oil Company | Reduction of carboxylic acid halides to aldehydes |
| JPS59181235A (ja) * | 1983-03-30 | 1984-10-15 | Central Glass Co Ltd | カルボニル化合物の製造方法 |
| FR2556339B1 (fr) * | 1983-12-13 | 1986-05-16 | Atochem | Procede catalytique de preparation de trifluoroacetaldehyde |
| GB8334566D0 (en) * | 1983-12-29 | 1984-02-01 | Ici Plc | Chemical process |
| GB8404225D0 (en) * | 1984-02-17 | 1984-03-21 | Ici Plc | Chemical process |
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1991
- 1991-05-21 GB GB919110962A patent/GB9110962D0/en active Pending
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1992
- 1992-04-28 GB GB929209153A patent/GB9209153D0/en active Pending
- 1992-05-05 IL IL10178492A patent/IL101784A/en not_active IP Right Cessation
- 1992-05-05 NZ NZ242612A patent/NZ242612A/en unknown
- 1992-05-06 ZA ZA923282A patent/ZA923282B/xx unknown
- 1992-05-07 CA CA002068187A patent/CA2068187C/en not_active Expired - Fee Related
- 1992-05-13 FI FI922170A patent/FI104372B/fi not_active IP Right Cessation
- 1992-05-14 AT AT92304359T patent/ATE157958T1/de not_active IP Right Cessation
- 1992-05-14 EP EP92304359A patent/EP0516311B1/en not_active Expired - Lifetime
- 1992-05-14 DE DE69222088T patent/DE69222088T2/de not_active Expired - Fee Related
- 1992-05-14 ES ES92304359T patent/ES2104831T3/es not_active Expired - Lifetime
- 1992-05-14 DK DK92304359.0T patent/DK0516311T3/da active
- 1992-05-14 KR KR1019920008114A patent/KR100235791B1/ko not_active Expired - Fee Related
- 1992-05-14 CZ CS921460A patent/CZ281785B6/cs not_active IP Right Cessation
- 1992-05-15 HU HU9201612A patent/HU212031B/hu not_active IP Right Cessation
- 1992-05-15 TW TW081103792A patent/TW199143B/zh active
- 1992-05-15 RU SU5011608/04A patent/RU2056402C1/ru not_active IP Right Cessation
- 1992-05-15 HU HU9201611A patent/HU214325B/hu not_active IP Right Cessation
- 1992-05-20 NO NO921994A patent/NO179100C/no not_active IP Right Cessation
- 1992-05-20 JP JP12744392A patent/JP3243284B2/ja not_active Expired - Fee Related
- 1992-05-20 US US07/886,116 patent/US5248832A/en not_active Expired - Fee Related
- 1992-07-01 IE IE140492A patent/IE921404A1/en not_active IP Right Cessation
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1997
- 1997-09-26 GR GR970402520T patent/GR3024874T3/el unknown
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