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1.发明公开公开(公告)号：US20240076258A1
公开(公告)日：2024-03-07
申请号：US18262651
申请日：2022-02-04
发明人： Yudai ITO , Masahiro SUDO , Takashi NANIKI
摘要： A method for producing isobutyl vinyl ether using isobutyl alcohol as a raw material alcohol, the method including reacting the isobutyl alcohol with acetylene to obtain a mixture containing unreacted isobutyl alcohol and isobutyl vinyl ether, reacting the unreacted isobutyl alcohol and the isobutyl vinyl ether in the mixture in a presence of an acid catalyst to be converted into acetaldehyde diisobutyl acetal, and removing the acetaldehyde diisobutyl acetal by distillation.
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公开(公告)号：US20160145234A1
公开(公告)日：2016-05-26
申请号：US14904488
申请日：2014-07-18
申请人： NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY , MARUZEN PETROCHEMICAL CO., LTD.
发明人： Toshikazu TAKAHASHI , Hiroyuki YASUDA , Shouji YAMAMOTO , Takashi NANIKI , Yasunori HAYASHI , Takeshi HARUNA , Takuro FURUKAWA
IPC分类号： C07D317/38 , C07D317/36
CPC分类号： C07D317/38 , B01J31/0239 , B01J31/0254 , B01J31/0268 , B01J31/0269 , B01J2231/341 , C07D317/36 , Y02P20/142
摘要： Provided is a method for producing a cyclic carbonate obtained by reacting epoxide and carbon dioxide, the method being capable of efficiently producing a cyclic carbonate at a high conversion rate and a high yield, in which degradation of the catalyst over time is suppressed and catalytic activity hardly decreases.A method for producing a cyclic carbonate by reacting epoxide and carbon dioxide in the presence of a quaternary onium salt selected from the group consisting of a quaternary ammonium salt having a halogenated anion as a counter ion and a quaternary phosphonium salt having a halogenated anion as a counter ion, or in the presence of a solid catalyst obtained by immobilizing the quaternary onium salt onto a carrier, wherein an organohalogen compound containing at least one halogen atom in one molecule is added to the reaction system.
摘要翻译： 提供一种通过使环氧化物和二氧化碳反应得到的环状碳酸酯的制造方法，其能够以高转化率和高收率有效地制造环状碳酸酯，其中催化剂随时间的劣化被抑制，催化活性 几乎没有减少。 一种环状碳酸酯的制备方法，该方法是在季铵盐存在下，使环氧化物和二氧化碳反应，所述季铵盐选自具有卤化阴离子的季铵盐作为抗衡离子，和具有卤化阴离子的季鏻盐作为 或在通过将季铵盐固定在载体上而获得的固体催化剂的存在下，其中在一个分子中含有至少一个卤素原子的有机卤素化合物加入到反应体系中。
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公开(公告)号：US20160067695A1
公开(公告)日：2016-03-10
申请号：US14786326
申请日：2014-04-22
申请人： MARUZEN PETROCHEMICAL CO., LTD. , NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
IPC分类号： B01J31/02 , C07D317/36 , C07D317/38 , B01J31/26
CPC分类号： B01J31/0268 , B01J21/08 , B01J27/08 , B01J27/16 , B01J27/182 , B01J31/0267 , B01J31/0269 , B01J31/069 , B01J31/26 , B01J35/1019 , B01J35/1023 , B01J35/1061 , B01J2231/341 , C07D317/36 , C07D317/38
摘要： A method for easily producing a heterogeneous catalyst having excellent catalytic activity at a low cost is provided. The heterogeneous catalyst is used for the purpose of synthesizing a cyclic carbonate by reacting an epoxide and carbon dioxide. A catalyst obtained by this production method and a method for synthesizing a cyclic carbonate with use of this catalyst are also provided.
摘要翻译： 提供了以低成本容易地制备具有优异催化活性的非均相催化剂的方法。 多相催化剂用于通过环氧化物和二氧化碳反应合成环状碳酸酯的目的。 还提供了通过该制造方法得到的催化剂和使用该催化剂合成环状碳酸酯的方法。
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公开(公告)号：US20220033335A1
公开(公告)日：2022-02-03
申请号：US17297170
申请日：2019-11-26
发明人： Takashi NANIKI , Jun ITO , Yuji HASHIMA , Wataru TSUCHIDA , Takashi TAKAHASHI , Ayato TAKAYAMA , Tomohiko SATO
IPC分类号： C07C41/09
摘要： A method can produce a divinyl ether compound having an alkylene skeleton from an alkanediol and acetylene at a rapid production rate and a high reaction yield. In the production method, a compound of formula (1) wherein R1 is an alkylene group having 4 to 20 carbon atoms, may be reacted with acetylene in the presence of an alkali metal catalyst to produce a compound of formula (2) and the reaction may be performed in the absence of a solvent.
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公开(公告)号：US20220033334A1
公开(公告)日：2022-02-03
申请号：US17297202
申请日：2019-11-26
发明人： Takashi NANIKI , Ayato TAKAYAMA , Wataru TSUCHIDA , Jun ITO , Takashi TAKAHASHI , Naoki KANEMASA
摘要： A method of purifying a divinyl ether compound having an alkylene skeleton may take place with low energy and in a simplified manner. Such a method for producing a divinyl ether compound may include: reacting a compound of formula (1) wherein R1 is an alkylene group having 4 to 20 carbon atoms, with acetylene by using an alkali metal catalyst; and purifying the divinyl ether compound of formula (2) which is obtained in the reacting, without an extraction.
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6.发明申请公开(公告)号：US20190210949A1
公开(公告)日：2019-07-11
申请号：US16331613
申请日：2017-09-13
摘要： To provide a method capable of easily and efficiently removing a 2-alkoxyethanol from a mixture containing the 2-alkoxyethanol and a (2-alkoxyethyl) vinyl ether while suppressing a decrease in the yield of (2-alkoxyethyl) vinyl ether.A method for removing a 2-alkoxyethanol, including the step of adding one or more azeotropic solvents selected from the group consisting of alkanes having 7 to 8 carbon atoms and cycloalkanes having 7 to 8 carbon atoms to a mixture containing the 2-alkoxyethanol represented by the following formula (1) R—O—CH2CH2OH (1) where R represents an alkyl group having 1 to 4 carbon atoms, and a (2-alkoxyethyl) vinyl ether represented by the following formula (2) R—O—CH2CH2O—CH═CH2 (2) where R has the same meaning as R in the formula (1), and subjecting the resulting mixture to azeotropic distillation.
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公开(公告)号：US20170197931A1
公开(公告)日：2017-07-13
申请号：US15314804
申请日：2015-05-29
发明人： Kouzo OSAKI , Takashi NANIKI , Yasunori HAYASHI , Takeshi HARUNA
IPC分类号： C07D317/38 , B01J8/04
CPC分类号： C07D317/38 , B01J8/0457 , B01J2208/027 , C07B61/00 , Y02P20/544
摘要： Disclosed herein are an apparatus and method for continuously producing a cyclic carbonate. The apparatus includes an adiabatic reactor to be filled with a heterogeneous catalyst for reacting an epoxide with carbon dioxide, a circulation path for returning at least a portion of a fluid mixture in a liquid form flowed out through a reactor outlet into the reactor, a carbon dioxide supply means for continuously supplying carbon dioxide in a liquid form or a supercritical state into the circulation path, and an epoxide supply means for continuously supplying an epoxide in a liquid or solution form into the circulation path.
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公开(公告)号：US20160168112A1
公开(公告)日：2016-06-16
申请号：US14903225
申请日：2014-07-18
申请人： MARUZEN PETROCHEMICAL CO., LTD. , NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
发明人： Takashi NANIKI , Yasunori HAYASHI , Goro SAWADA , Takuro FURUKAWA , Takeshi HARUNA , Toshikazu TAKAHASHI , Hiroyuki YASUDA , Shouji YAMAMOTO
IPC分类号： C07D317/38 , B01J31/02
CPC分类号： C07D317/38 , B01J27/08 , B01J31/0231 , B01J31/0239 , B01J31/0254 , B01J31/0268 , B01J31/0269 , B01J31/0271 , B01J2231/341 , B01J2531/90
摘要： Provided is a method for continuously producing a cyclic carbonate, by which generation of a glycol in a reaction for synthesizing a cyclic carbonate is suppressed, and a cyclic carbonate having a high purity can be efficiently obtained even by simple purification.A method for continuously producing a cyclic carbonate, including filling a catalyst in a fixed-bed tube reactor, and continuously feeding carbon dioxide and an epoxide to the fixed-bed tube reactor to thereby bringing the carbon dioxide and the epoxide into contact with the catalyst, while continuously withdrawing the reaction liquid in the fixed-bed tube reactor, wherein the method includes a pre-treatment step in which a pre-treatment liquid containing a cyclic carbonate is brought into contact with the catalyst before feeding the carbon dioxide and the epoxide to the fixed-bed tube reactor, and the generated glycol is removed out of the system.
摘要翻译： 提供一种连续制备环状碳酸酯的方法，通过在环状碳酸酯的合成反应中抑制二醇的生成，即使通过简单的纯化也能够有效地得到高纯度的环状碳酸酯。 一种连续生产环状碳酸酯的方法，包括在固定床管式反应器中填充催化剂，并将二氧化碳和环氧化物连续供给到固定床管式反应器中，从而使二氧化碳和环氧化物与催化剂接触 同时连续地取出固定床管式反应器中的反应液体，其中该方法包括预处理步骤，其中使含有环状碳酸酯的预处理液体在进料二氧化碳和环氧化物之前与催化剂接触 到固定床管式反应器中，并将生成的二醇从系统中除去。
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9.发明公开公开(公告)号：US20240067592A1
公开(公告)日：2024-02-29
申请号：US18263812
申请日：2022-02-04
摘要： A method may produce (2-methoxyethyl) vinyl ether with a high purity from 2-methoxyethanol and acetylene. Such a method may include the A1, A2, and A3: (A1) synthesizing a vinyl ether including causing 2-methoxyethanol to react with acetylene to obtain a mixture containing unreacted 2-methoxyethanol and (2-methoxyethyl) vinyl ether; (A2) acetalizing including causing a reaction of the unreacted 2-methoxyethanol and the (2-methoxyethyl) vinyl ether in the mixture in the presence of an acid catalyst to be converted into acetaldehyde bis(2-methoxyethyl)acetal; and (A3) removing the acetaldehyde bis(2-methoxyethyl)acetal by distillation from an acetal-containing mixture obtained in step A2.
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公开(公告)号：US20160108071A1
公开(公告)日：2016-04-21
申请号：US14786455
申请日：2014-04-22
申请人： MARUZEN PETROCHEMICAL CO., LTD. , NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
IPC分类号： C07F9/54 , C07D317/36 , C07D317/38 , B01J31/02
CPC分类号： C07F9/5414 , B01J21/08 , B01J27/08 , B01J27/182 , B01J31/0268 , B01J31/0269 , B01J31/0274 , B01J31/0275 , B01J31/069 , B01J35/1019 , B01J35/1023 , B01J35/1061 , B01J2231/341 , C07D317/36 , C07D317/38
摘要： The present invention provides a method for easily and inexpensively producing a heterogeneous catalyst used to synthesize a cyclic carbonate by reacting an epoxide with carbon dioxide and having excellent catalyst activity; a catalyst obtained using said manufacturing method; and a method for synthesizing a cyclic carbonate using said catalyst.A method for producing a catalyst that is used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide with carbon dioxide, said method comprising the following steps (a) and (b): (a) a step of obtaining a catalyst precursor having a haloalkyl group or a haloaryl group by reacting a silane compound with a silica gel in the presence of xylene, the silane compound having a haloalkyl group or a haloaryl group and (b) a step of obtaining a catalyst for synthesizing a cyclic carbonate by reacting the catalyst precursor obtained in step (a) with a tertiary phosphine.
摘要翻译： 本发明提供了一种用于通过环氧化物与二氧化碳反应并具有优异的催化剂活性而容易且廉价地生产用于合成环状碳酸酯的多相催化剂的方法; 使用所述制造方法获得的催化剂; 以及使用所述催化剂合成环状碳酸酯的方法。 一种制备用于通过使环氧化物与二氧化碳进行反应合成环状碳酸酯的催化剂的方法，所述方法包括以下步骤（a）和（b）：（a）获得 具有卤代烷基或卤代芳基的催化剂前体，其通过在二甲苯存在下使硅烷化合物与硅胶反应，所述硅烷化合物具有卤代烷基或卤代芳基，以及（b）获得用于合成环状 使步骤（a）中获得的催化剂前体与叔膦反应。
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