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公开(公告)号：US09950984B2
公开(公告)日：2018-04-24
申请号：US15614875
申请日：2017-06-06
发明人： Akihiro Gotou , Manaho Miyazaki , Sumi Ishihara , Takashi Namikawa , Tatsuya Ohtsuka , Yosuke Kishikawa
IPC分类号： C07C67/36
CPC分类号： C07C67/36 , C07C69/653 , C07C69/65
摘要： An object of the present invention is to provide a process for producing α-fluoroacrylic acid esters at a high starting material conversion and a high yield. The present invention provides, as a means to achieve the object, a process for producing a compound represented by formula (1): wherein R1 and R2 are the same or different and each represent alkyl, fluoroalkyl, aryl optionally substituted with at least one substituent, halogen, or hydrogen; and R3 represents alkyl, fluoroalkyl, or aryl optionally substituted with at least one substituent, the process comprising step A of reacting a compound represented by formula (2): wherein the symbols are as defined above, with carbon monoxide and an alcohol represented by formula (3): R3—OH (3) wherein the symbol is as defined above, in the presence of a transition metal complex catalyst containing at least one bidentate phosphine ligand and a base to thereby obtain the compound represented by formula (1).
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公开(公告)号：US09593058B2
公开(公告)日：2017-03-14
申请号：US14915677
申请日：2014-09-03
IPC分类号： C07C17/25 , C07C17/20 , C07C17/087 , C07C19/14 , C07C21/18
CPC分类号： C07C17/25 , C07C17/087 , C07C17/208 , C07C19/14 , C07C21/14 , C07C21/18 , C07C19/075
摘要： An object of the present invention is to provide a production method that makes it possible to produce 1,1-dibromo-1-fluoroethane easily and sustainably.The present invention provides a method for producing 1,1-dibromo-1-fluoroethane, the method comprising step A of reacting 1,1-dibromoethylene with hydrogen fluoride to obtain 1,1-dibromo-1-fluoroethane.
摘要翻译： 本发明提供1,1-二溴-1-氟乙烷的制造方法，该方法包括使1,1-二溴乙烯与氟化氢反应得到1,1-二溴-1-氟乙烷的步骤A。
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公开(公告)号：US20150191413A1
公开(公告)日：2015-07-09
申请号：US14420924
申请日：2013-08-30
发明人： Tatsuya Ohtsuka , Akihiro Gotou , Sumi Ishihara , Yoshihiro Yamamoto , Akinori Yamamoto , Yoshichika Kuroki , Yuzo Komatsu , Yousuke Kishikawa
IPC分类号： C07C67/36
CPC分类号： C07C67/36 , B01J23/44 , B01J27/13 , B01J31/0237 , B01J31/24 , B01J31/2404 , B01J31/2409 , B01J2231/321 , B01J2231/49 , B01J2531/824 , C07C69/653
摘要： The object of the present invention is to provide a process for producing α-fluoroacrylic acid ester at a high starting material conversion, high selectivity, and high yield. The present invention provides a process for producing the compound represented by the formula (1) wherein R represents alkyl optionally substituted with one or more fluorine atoms, the process comprising step A of reacting a compound represented by the formula (2) wherein X represents a bromine atom or a chlorine atom with an alcohol represented by the formula (3) wherein the symbol is as defined above, and carbon monoxide in the presence of a transition metal catalyst and a base to thereby obtain the compound represented by the formula (1).
摘要翻译： 本发明的目的是提供一种以高原料转化率，高选择性和高产率生产α-氟代丙烯酸酯的方法。 本发明提供一种由式（1）表示的化合物的制备方法，其中R表示任选被一个或多个氟原子取代的烷基，该方法包括使式（2）表示的化合物与式 溴原子或氯原子与式（3）表示的醇（其中符号如上所定义）和一氧化碳在过渡金属催化剂和碱的存在下反应，由此得到式（1）表示的化合物， 。
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公开(公告)号：US11611106B2
公开(公告)日：2023-03-21
申请号：US16636700
申请日：2018-07-31
发明人： Yoshiko Kuwajima , Kenzou Takahashi , Shigeaki Yamazaki , Hiroyuki Arima , Tomoya Hidaka , Masakazu Kinoshita , Hisako Nakamura , Takaya Yamada , Toshiharu Shimooka , Yuuki Suzuki , Tatsuya Ohtsuka
IPC分类号： H01M10/0569 , H01M10/0525
摘要： The invention provides an electrolyte solution capable of providing an electrochemical device having low resistance and excellent high-temperature storage characteristics and cycle characteristics. The electrolyte solution contains lithium fluorosulfonate and a solvent containing a compound (1) represented by the following formula (1): CF2HCOOCH3.
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公开(公告)号：US11420877B2
公开(公告)日：2022-08-23
申请号：US16645632
申请日：2018-09-18
发明人： Yuuki Suzuki , Akiyoshi Yamauchi , Kotaro Hayashi , Yoshihiro Yamamoto , Yosuke Kishikawa , Tatsuya Ohtsuka , Atsushi Maruo , Hiroyuki Arima
IPC分类号： C01D15/06
摘要： A method for producing lithium fluorosulfonate which includes reacting XSO3H, wherein X is a leaving group other than fluorine, with a lithium source and a fluorine source. Also disclosed is a composition containing XSO3H.
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公开(公告)号：US11339052B2
公开(公告)日：2022-05-24
申请号：US16472395
申请日：2017-11-13
IPC分类号： C01B17/45
摘要： An object of this invention is to provide a simple method for producing sulfur tetrafluoride. The object is achieved by a method for producing sulfur tetrafluoride, comprising step A of reacting a fluorinated halogen compound with sulfur chloride, the fluorinated halogen compound being represented by formula: XFn, wherein X is chlorine, bromine, or iodine; and n is a natural number of 1 to 5.
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公开(公告)号：US09388117B2
公开(公告)日：2016-07-12
申请号：US14420924
申请日：2013-08-30
发明人： Tatsuya Ohtsuka , Akihiro Gotou , Sumi Ishihara , Yoshihiro Yamamoto , Akinori Yamamoto , Yoshichika Kuroki , Yuzo Komatsu , Yousuke Kishikawa
CPC分类号： C07C67/36 , B01J23/44 , B01J27/13 , B01J31/0237 , B01J31/24 , B01J31/2404 , B01J31/2409 , B01J2231/321 , B01J2231/49 , B01J2531/824 , C07C69/653
摘要： The object of the present invention is to provide a process for producing α-fluoroacrylic acid ester at a high starting material conversion, high selectivity, and high yield. The present invention provides a process for producing the compound represented by the formula (1) wherein R represents alkyl optionally substituted with one or more fluorine atoms, the process comprising step A of reacting a compound represented by the formula (2) wherein X represents a bromine atom or a chlorine atom with an alcohol represented by the formula (3) wherein the symbol is as defined above, and carbon monoxide in the presence of a transition metal catalyst and a base to thereby obtain the compound represented by the formula (1).
摘要翻译： 本发明的目的是提供一种以高原料转化率，高选择性和高产率生产α-氟代丙烯酸酯的方法。 本发明提供一种制备式（1）表示的化合物的方法，其中R表示任选被一个或多个氟原子取代的烷基，该方法包括使式（2）表示的化合物与式 溴原子或氯原子与式（3）表示的醇（其中符号如上所定义）和一氧化碳在过渡金属催化剂和碱的存在下反应，从而得到式（1）表示的化合物， 。
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公开(公告)号：US11718524B2
公开(公告)日：2023-08-08
申请号：US17570069
申请日：2022-01-06
IPC分类号： C01B17/45
CPC分类号： C01B17/4523
摘要： An object of this invention is to provide a simple method for producing sulfur tetrafluoride. The object is achieved by a method for producing sulfur tetrafluoride, comprising step A of reacting a fluorinated halogen compound with sulfur chloride, the fluorinated halogen compound being represented by formula: XFn, wherein X is chlorine, bromine, or iodine; and n is a natural number of 1 to 5.
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公开(公告)号：US09919990B2
公开(公告)日：2018-03-20
申请号：US14909156
申请日：2014-08-07
IPC分类号： C07C17/093 , C07C17/07 , C07C17/361 , C07C19/08
CPC分类号： C07C17/361 , C07C17/07 , C07C17/093 , C07C19/08
摘要： An object of the present invention is to provide a method for producing methane fluoride that is useful, for example, as a dry etching gas, the method being more suitable for industrial production. To achieve this object, the present invention provides a method including reacting (A) dimethyl sulfate and (B) at least one fluorocompound in a liquid phase, the fluorocompound (B) being at least one compound selected from the group consisting of hydrogen fluoride and hydrofluoric acid salts, or a metal fluoride, wherein when the fluoride compound (B) includes hydrogen fluoride or a hydrofluoric acid salt, the reaction is carried out without a solvent or using a polar solvent as a solvent, and when the fluoride compound (B) is a metal fluoride, the reaction is carried out using water as a solvent.
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公开(公告)号：US11377407B2
公开(公告)日：2022-07-05
申请号：US17048760
申请日：2019-04-25
摘要： The problem to be solved by the present invention is to provide a novel method for producing a difluoromethylene compound, in particular, a simple method for producing a difluoromethylene compound. This problem is solved by a method for producing a difluoromethylene compound (I) containing at least one —CF2— moiety, the method comprising step A of allowing IF5 and a disulfide compound (III) of the formula: RA—S—S—RA (wherein RA, in each occurrence, independently represents aryl optionally having at least one substituent or alkyl optionally having at least one substituent) to act on a carbonyl compound (II) containing at least one —C(O)— moiety.
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