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1. 发明专利

JP2013147474A Method of producing difluoroacetic acid ester 有权
标题翻译：生产二油酸酯的方法
公开(公告)号：JP2013147474A
公开(公告)日：2013-08-01
申请号：JP2012010822
申请日：2012-01-23
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： ASADA DAISUKE , OTSUKA TATSUYA
IPC分类号： C07C67/00 , C07B61/00 , C07C69/63
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a difluoroacetic acid ester with high selectivity in good yield while preventing generation of byproducts.SOLUTION: In a method of producing a difluoroacetic acid ester represented by general formula HCFCOOR wherein R is a lower alkyl group, 1,1,2,2-tetrafluoroethyl alkyl ether represented by general formula HCFCFOR wherein R is a lower alkyl group is brought into contact with an acid catalyst in the presence of an oxide and a lower alcohol represented by general formula ROH wherein R is a lower alkyl group. In the method, a reaction temperature is 20-60°C, and a usage amount of the acid catalyst is 0.1-0.5 mole for 1 mol of 1,1,2,2-tetrafluoroethyl alkyl ether.
摘要翻译：要解决的问题：提供以良好的产率以高选择性生产二氟乙酸酯的方法，同时防止产生副产物。方法：在制备由通式HCFCOOR表示的二氟乙酸酯的方法中，其中R是低级烷基，在通式ROH表示的氧化物和低级醇的存在下，通式为HCFCFOR的其中R为低级烷基的1,1,2,2-四氟乙基烷基醚与酸催化剂接触，其中R为低级烷基。在该方法中，反应温度为20-60℃，对于1摩尔1,1,2,2-四氟乙基烷基醚，酸催化剂的使用量为0.1-0.5摩尔。

2. 发明专利

JP2012025697A Method for producing difluoroacetate ester 审中-公开
标题翻译：生产二氟醋酸酯的方法
公开(公告)号：JP2012025697A
公开(公告)日：2012-02-09
申请号：JP2010165852
申请日：2010-07-23
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： ASADA DAISUKE , OTSUKA TATSUYA
IPC分类号： C07C67/00 , C07B61/00 , C07C69/63
CPC分类号： C07C67/00 , C07C69/63
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a difluoroacetate ester at a high selectivity while formation of by-products are suppressed.SOLUTION: The method for producing a difluoroacetate ester represented by formula: HCFCOOR (wherein R denotes a lower alkyl group) includes bringing 1,1,2,2-tetrafluoroethyl alkyl ether represented by formula HCFCFOR (wherein R is the same in the above) into contact with an acid catalyst in the presence of an oxide and a lower alcohol.
摘要翻译：待解决的问题：提供在抑制副产物形成的同时以高选择性制备二氟乙酸酯的方法。解决方案：由下式表示的二氟乙酸酯的制备方法：其中R表示低级烷基，包括使1,1,2,2-四氟乙酸酯由式HCF表示的四氟乙基烷基醚与酸接触的式（II）表示的四氟乙基烷基醚与（C）催化剂在氧化物和低级醇的存在下进行。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2013014612A Novel carboxylic acid compound, use thereof and process for producing the same 有权
标题翻译：新型羧酸化合物，其用途及其生产方法
公开(公告)号：JP2013014612A
公开(公告)日：2013-01-24
申请号：JP2012208753
申请日：2012-09-21
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： SUGIYAMA AKIHIRA , OTSUKA TATSUYA , YAMAMOTO SADAHIRO , KUROKI YOSHICHIKA , SUZUKI ATSUSHI
IPC分类号： C07C41/22 , C07C43/12
摘要： PROBLEM TO BE SOLVED: To provide a process capable of efficiently and inexpensively producing 1,1,1,3,3,3-hexafluoro-2-methoxypropane which is useful as a raw material for anesthetic sevoflurane.SOLUTION: The process for producing 1,1,1,3,3,3-hexafluoro-2-methoxypropane includes reacting an olefin compound represented by chemical formula (4): CF=C(CF)(OCH) with a fluorinating agent.
摘要翻译：要解决的问题：提供能够有效且廉价地生产可用作麻醉七氟醚原料的1,1,1,3,3,3-六氟-2-甲氧基丙烷的方法。解决方案：制备1,1,1,3,3,3-六氟-2-甲氧基丙烷的方法包括使由化学式（4）表示的烯烃化合物：CF 2 < / SB> = C（CF 3 ）（OCH 3 ）。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2011116661A Method for producing fluoroalkyl ether 审中-公开
标题翻译：生产氟烷基醚的方法
公开(公告)号：JP2011116661A
公开(公告)日：2011-06-16
申请号：JP2008073082
申请日：2008-03-21
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： SUGIYAMA AKIHIRA , SUZUKI ATSUSHI , YAMAMOTO SADAHIRO , KUROKI YOSHICHIKA , OTSUKA TATSUYA
IPC分类号： C07C41/18 , C07C43/12
CPC分类号： C07C41/18 , C07C43/12 , C07C43/123
摘要： PROBLEM TO BE SOLVED: To provide a method for easily producing a fluoroalkyl ether such as hexafluoroisopropylmethyl ether with high selectivity using an inexpensive raw material. SOLUTION: The method for producing a fluoroalkyl ether represented by formula (2) includes decarboxylating a compound represented by formula (1) in the presence of an amine compound and a hydrohalic acid. In the formulae, Rf 1 and Rf 2 may be the same or different and each represents a group: CF 3 (CF 2 ) n (wherein n is a natural number of 0 to 10) or a group: CH 3 (CH 2 ) m (wherein, m is a natural number of 0 to 10), provided that at least one of Rf 1 and Rf 2 represents the group: CF 3 (CF 2 ) n ; R 1 represents an alkyl group that may contain a substituent, an aryl group that may contain a substituent, or an alkenyl group that may contain a substituent; and X represents a hydrogen atom or a halogen atom. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用廉价的原料以高选择性容易地制备氟烷基醚如六氟异丙基甲基醚的方法。解决方案：由式（2）表示的氟烷基醚的制备方法包括在胺化合物和氢卤酸的存在下使由式（1）表示的化合物脱羧。在式中，Rf 1 和Rf 2 可以相同或不同，并且各自表示基团：CF 3 （其中n为0至10的自然数）或基团：CH 3 SB 3（CH 2 SB 2） SB> m （其中，m为0至10的自然数），条件是Rf 1 和Rf 2 中的至少一个表示基团： CF 3 （CF 2 ）名词; R 1表示可以含有取代基的烷基，可以含有取代基的芳基或可以含有取代基的烯基; X表示氢原子或卤素原子。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2014012642A Method for producing 2,2-difluoro-3-halopropionate ester 审中-公开
标题翻译：生产2,2-二氟-3-戊二酸酯的方法
公开(公告)号：JP2014012642A
公开(公告)日：2014-01-23
申请号：JP2012149717
申请日：2012-07-03
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： OTSUKA TATSUYA , KISHIMOTO MASAYUKI , ITO KENGO , SUGIYAMA AKIHIRA , KISHIKAWA YOSUKE
IPC分类号： C07C67/307 , C07C69/63
摘要： PROBLEM TO BE SOLVED: To provide a method for producing 2,2-difluoro-3-halopropionate ester, advantageous in cost.SOLUTION: The method is a method for producing a compound represented by the formula (1) (where X represents a chlorine atom or a bromine atom, and R represents a hydrogen atom or an alkyl group), including causing a compound represented by the formula (2) to react with a halogenating agent.
摘要翻译：要解决的问题：提供一种生产2,2-二氟-3-卤代丙酸酯的方法，其成本有利。方法：该方法是制备式（1）表示的化合物的方法（其中X表示氯原子或溴原子，R表示氢原子或烷基），包括使式（2）表示的化合物与卤化剂反应。

6. 发明专利

JP2009120506A New carboxylic acid ester, application of the same and method for producing the same 有权
标题翻译：新型羧酸酯，其应用及其生产方法
公开(公告)号：JP2009120506A
公开(公告)日：2009-06-04
申请号：JP2007294050
申请日：2007-11-13
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： YAMAMOTO SADAHIRO , OTSUKA TATSUYA
IPC分类号： C07C69/708 , C07C41/18 , C07C41/22 , C07C43/12 , C07C67/307
CPC分类号： C07C69/708 , C07C41/18 , C07C67/307 , C07C43/123
摘要： PROBLEM TO BE SOLVED: To provide a method for producing 1,1,1,3,3,3-hexafluoroisopropyl fluoromethyl ether (sevoflurane) known as a compound having an anesthetic property, efficiently and inexpensively, and a new compound useful for producing the same. SOLUTION: This method for producing an α-chloromethoxy carboxylic acid ester expressed by general formula (1): (CF 3 ) 2 C(OCH 2 Cl)COOR [wherein, R is a hydrocarbon group which may have at least one of an atom selected from the group consisting of a halogen atom, O, N and S] is provided by reacting an α-methoxy carboxylic acid ester expressed by general formula (2): (CF 3 ) 2 C(OCH 3 )COOR [wherein, R is the same as above] with molecular chlorine, and the method for producing the 1,1,1,3,3,3-hexafluoroisopropyl fluoromethyl ether expressed by the chemical formula of (CF 3 ) 2 CH(OCH 2 F) is provided by fluorinating and de-carboxylating the α-chloromethoxy carboxylic acid ester. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：待解决的问题：提供一种有效且廉价地制备具有麻醉性质的化合物1,1,1,3,3,3-六氟异丙基氟甲基醚（七氟烷）的方法，以及可用的新化合物为了生产相同。＆lt; P＆gt;解决方案：通式（1）表示的α-氯甲氧基羧酸酯的制造方法：（CF 3 SB 3）SB 其中R是可以具有选自卤素原子，O，N和S中的至少一个原子的烃基，其通过使α-甲氧基羧酸由通式（2）表示的酯：（CF 3 SB 3）SB（CO 3）COOR [其中，R与上述相同 ]和由化学式（CF 3 ） 2

7. 发明专利

JP2009023913A Method for producing 1,1-bis(trifluoromethyl)-1,3-diol 审中-公开
标题翻译：生产1,1-BIS（三氟甲基）-1,3-二醇的方法
公开(公告)号：JP2009023913A
公开(公告)日：2009-02-05
申请号：JP2007185281
申请日：2007-07-17
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： KISHIKAWA YOSUKE , OTSUKA TATSUYA
IPC分类号： C07C29/09 , C07B61/00 , C07C31/42 , C07C67/08 , C07C67/14 , C07C69/54
摘要： PROBLEM TO BE SOLVED: To provide a method for synthesizing a 1,1-bis(trifluoromethyl)-1,3-diol which is suitable for production on a commercial scale.
SOLUTION: This method for producing the 1,1-bis(trifluoromethyl)-1,3-diol comprises reacting a 1,1-bis(trifluoromethyl)-2-alkene compound with concentrated sulfuric acid, adding water and then hydrolyzing the compound. By the present method, the objective compound can be produced on a large scale in high selectivity and in high efficiency. The resultant fluorine-containing 1,3-diol compound can be reacted with an acrylic acid derivative into a fluorine-containing acrylate which is a useful monomer.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：待解决的问题：提供适合于商业规模生产的1,1-双（三氟甲基）-1,3-二醇的合成方法。解决方案：该制备1,1-双（三氟甲基）-1,3-二醇的方法包括使1,1-双（三氟甲基）-2-烯烃化合物与浓硫酸反应，加入水然后水解化合物。通过本方法，可以高选择性和高效率地大量生产目标化合物。所得到的含氟1,3-二醇化合物可与丙烯酸衍生物反应成为有用单体的含氟丙烯酸酯。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2004307355A METHOD FOR PURIFYING FLUORO-β-DICARBONYL COMPOUND 审中-公开
公开(公告)号：JP2004307355A
公开(公告)日：2004-11-04
申请号：JP2003099219
申请日：2003-04-02
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： KARUBE DAISUKE , OTSUKA TATSUYA
IPC分类号： C07C67/60 , C07C67/307 , C07C67/54 , C07C69/716
摘要： PROBLEM TO BE SOLVED: To provide a method for purification by which a high-purity objective substance can efficiently be obtained from a fluoro-β-dicarbonyl compound containing a by-product such as a difluoro derivative without emitting an acidic gas, or the like, by decomposition.
SOLUTION: This method for purifying a fluoro-β-dicarbonyl compound is characterized as follows. A mixture containing the fluoro-β-dicarbonyl compound represented by the formula (1) R
1 COC R
2 FCOR
3 (wherein, R
1 is hydrogen atom, a substituted or an unsubstituted alkyl group or a substituted or an unsubstituted aryl group; R
2 is hydrogen atom, a halogen atom, a substituted or an unsubstituted alkyl group or a substituted or an unsubstituted aryl group; R
3 is hydrogen atom, a substituted or an unsubstituted alkyl group, a substituted or an unsubstituted aryl group, a substituted or an unsubstituted alkoxy group or a substituted or an unsubstituted aryloxy group; or at least two of R
1 , R
2 and R
3 together may form a part of a cyclic structure with or without interposition of a heteroatom) and a polyfluoro compound in which hydrogen atoms bound to the carbon atom of the fluoro-β-dicarbonyl compound are further substituted with ≥1 fluorine atoms is brought into contact with an acid-receiving agent.
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2004196725A Method for purifying bromodifluoroacetyl fluoride 审中-公开
公开(公告)号：JP2004196725A
公开(公告)日：2004-07-15
申请号：JP2002368464
申请日：2002-12-19
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： SUGIYAMA AKIHIRA , OTSUKA TATSUYA , ICHIHARA KAZUYOSHI , MANTANI AKIYA
IPC分类号： B01D3/00 , C07C51/58 , C07C51/64 , C07C53/48
摘要： PROBLEM TO BE SOLVED: To provide a simple method for purifying crude bromodifluoroacetyl fluoride containing SO
2 .
SOLUTION: The method for purifying bromodifluroacetyl fluoride comprises bringing crude bromodifluoroacetyl fluoride containing SO
2 into contact with molecular chlorine in the presence of a catalyst and separating the formed SO
2 Cl
2 .
COPYRIGHT: (C)2004,JPO&NCIPI

10. 发明专利

JP2004196724A Method for producing difluorohaloacetyl fluoride 有权
公开(公告)号：JP2004196724A
公开(公告)日：2004-07-15
申请号：JP2002368446
申请日：2002-12-19
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： SUGIYAMA AKIHIRA , OTSUKA TATSUYA , MANTANI AKIYA , ICHIHARA KAZUYOSHI
IPC分类号： C07C51/58 , C07B61/00 , C07C53/48
摘要： PROBLEM TO BE SOLVED: To provide a novel method for producing a difluorohaloacetyl fluoride in high yields from easily available raw materials without using any special apparatus.
SOLUTION: The method for producing the difluorohaloacetyl fluoride represented by the formula: XCF
2 COF (wherein X is as defined below) comprises reacting halogenated fluoroethylene represented by the formula: CF
2 =CFY (wherein Y is a halogen atom) with an N-halogenated nitrogen-containing compound and a fluorosulfonic acid compound represented by the formula: ZSO
3 H [wherein Z is a perfluoro group represented by the formula: F(CF
2 )
n -; and n is an integer of 0 to 20] to form a halosulfonic ester represented the formula: XCF
2 CFYOSO
2 Z (wherein X is Cl, Br, or I; and Y and Z are as defined above) and subjecting the halosulfonic ester to ester decomposition.
COPYRIGHT: (C)2004,JPO&NCIPI

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