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公开(公告)号:US09617379B2
公开(公告)日:2017-04-11
申请号:US15233981
申请日:2016-08-11
发明人: Takashi Okazoe , Masayuki Miyazaki , Kazuya Oharu , Tomoyuki Fujita , Shinji Wada , Koichi Murata , Naoko Shirota
IPC分类号: C08G63/02 , C08G64/00 , C08G64/30 , C07C29/38 , C07C67/00 , C07C67/14 , C07C67/317 , C07C68/00 , C07C68/06 , C07C45/63 , C07C49/16 , C07C51/16 , C07C51/377 , C07C57/04 , C07C17/361 , C08G64/06
CPC分类号: C08G64/307 , C07C17/361 , C07C29/38 , C07C45/63 , C07C49/16 , C07C51/16 , C07C51/377 , C07C57/04 , C07C67/00 , C07C67/14 , C07C67/317 , C07C68/00 , C07C68/06 , C08G64/00 , C08G64/06 , C07C69/96 , C07C31/36 , C07C69/63 , C07C69/54
摘要: The present invention relates to a method for producing a carbonate compound and methacrylic acid or an ester thereof, containing a step (a1) of obtaining hexachloroacetone and hydrogen chloride from acetone and chlorine molecule, a step (a2) of obtaining a dialkyl carbonate and chloroform from hexachloroacetone and an alkyl alcohol, a step (b1) of obtaining 1,1,1-trichloro-2-methyl-2-propanol from chloroform and acetone, a step (b2+b3 or b4) of obtaining methacrylic acid or an ester thereof and hydrogen chloride from 1,1,1-trichloro-2-methyl-2-propanol and water or an alcohol, and a step (c1 or c2) of obtaining chlorine molecule by reacting hydrogen chloride with oxygen molecule.
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公开(公告)号:US09598345B2
公开(公告)日:2017-03-21
申请号:US14991393
申请日:2016-01-08
发明人: Tomoyuki Fujita , Koichi Murata , Naoko Shirota , Yusuke Suzuki , Daisuke Jomuta
IPC分类号: C07C67/10 , C07C67/00 , C07C51/093
CPC分类号: C07C67/10 , C07C51/093 , C07C67/00 , Y02P20/582 , C07C69/54 , C07C57/04
摘要: The present invention relates to a method for producing an unsaturated-acid ester or an unsaturated acid, containing a step of reacting a compound (1) represented by the following formula (1) with a compound represented by the following formula (2) (excluding the compound (1)) in the presence of a Lewis acid catalyst at a temperature of the boiling point of the compound (1) or higher and 350° C. or lower, thereby obtaining products including a compound represented by the following formula (3): (in formula (1) and formula (3), R1, R2 and R4 each independently may be hydrogen atom or an alkyl group, R3 and R5 each independently are hydrogen atom or a deuterium atom, and X is a halogen atom; in formula (2) and formula (3), R6 may be hydrogen atom, an alkyl group or an aryl group, and R7 is hydrogen atom or a deuterium atom).
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公开(公告)号:US09238612B2
公开(公告)日:2016-01-19
申请号:US14636510
申请日:2015-03-03
发明人: Tomoyuki Fujita , Shinji Wada , Takashi Okazoe , Koichi Murata
IPC分类号: C07C67/317 , C07C67/40 , C07C67/00 , C07C51/093 , C07C51/377
CPC分类号: C07C67/317 , C07C51/093 , C07C51/377 , C07C67/00 , C07C67/40 , C07C53/19 , C07C69/63 , C07C69/653
摘要: The present invention relates to a method for producing an unsaturated acid and/or an unsaturated acid ester, containing a process A of reacting a compound (1) represented by the following formula (1) at a temperature of 0° C. to 350° C. in the presence of a Brønsted acid catalyst and/or a Lewis acid catalyst, to prepare a compound (2) represented by the following formula (2); in which each of R1, R2 and R4 independently represents a hydrogen atom, a deuterium atom or an alkyl group; each of R3 and R5 independently represents a hydrogen atom or a deuterium atom; R6 represents a hydrogen atom, a deuterium atom, or an alkyl group or an aryl group; and X represents a chlorine atom, a fluorine atom, a bromine atom, or an iodine atom.
摘要翻译: 本发明涉及一种不饱和酸和/或不饱和酸酯的制造方法,其含有将下述式(1)表示的化合物(1)在0℃〜350℃的温度下反应的方法A 在布朗斯台德酸催化剂和/或路易斯酸催化剂存在下,制备由下式(2)表示的化合物(2); 其中R 1,R 2和R 4各自独立地表示氢原子,氘原子或烷基; R 3和R 5各自独立地表示氢原子或氘原子; R6表示氢原子,氘原子或烷基或芳基; X表示氯原子,氟原子,溴原子或碘原子。
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