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公开(公告)号:US06388140B2
公开(公告)日:2002-05-14
申请号:US09783921
申请日:2001-02-15
申请人: Ryoji Sugise , Shuji Tanaka , Kohichi Kashiwagi , Takashi Doi , Masayuki Nishio , Sadao Niida , Tsunao Matsuura
发明人: Ryoji Sugise , Shuji Tanaka , Kohichi Kashiwagi , Takashi Doi , Masayuki Nishio , Sadao Niida , Tsunao Matsuura
IPC分类号: C07C4500
CPC分类号: C07C45/58
摘要: A cyclododecanone compound is produced in a high reaction rate, with a high conversion of the starting compound, and with a high selectivity to and a high yield of the target compound by isomerizing an epoxycyclododecane compound in the presence of a catalyst comprising lithium bromide and/or lithium iodide, without using a solvent or in a non-polar solvent, in an inert gas atmosphere, while substantially no polymeric compounds having a high boiling temperature is produced.
摘要翻译: 以高反应速率,起始化合物的高转化率,以及通过使环氧环十二烷化合物在包含溴化锂和/或其混合物的催化剂存在下异构化,以高选择性和高产率的方式制备环十二烷酮化合物, 或碘化锂,而不使用溶剂或在非极性溶剂中,在惰性气体气氛中,而基本上不产生具有高沸点温度的聚合物。
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公开(公告)号:US06417404B1
公开(公告)日:2002-07-09
申请号:US09879067
申请日:2001-06-13
申请人: Ryoji Sugise , Shuji Tanaka , Takashi Doi , Masayuki Nishio , Sadao Niida , Tsunao Matsuura
发明人: Ryoji Sugise , Shuji Tanaka , Takashi Doi , Masayuki Nishio , Sadao Niida , Tsunao Matsuura
IPC分类号: C07C4500
CPC分类号: C07C45/58 , C07C49/607 , C07C49/413
摘要: A cyclododecanone compound is continuously produced by feeding a liquid feed containing a corresponding epoxycyclododecane compound and LiBr and/or LiI into a frontmost reaction region of a plurality of reaction regions connected to each other in series; successively passing the liquid feed through the series of reaction regions to catalytically isomerize the epoxycyclododecane compound into a corresponding cyclododecanone compound; and collecting the resultant reaction mixture containing the target cyclododecanone compound from a rearmost reaction region of the series of reaction regions.
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公开(公告)号:US06861563B2
公开(公告)日:2005-03-01
申请号:US10486735
申请日:2002-08-09
申请人: Ryoji Sugise , Shuji Tanaka , Takashi Doi , Masayuki Nishio , Sadao Niida , Tsunao Matsuura
发明人: Ryoji Sugise , Shuji Tanaka , Takashi Doi , Masayuki Nishio , Sadao Niida , Tsunao Matsuura
CPC分类号: C07C45/58 , C07C49/413
摘要: In the process for producing a cyclododecanone by isomerizing an epoxycyclododecane-containing starting material in the presence of an isomerization reaction catalyst containing lithium bromide and/or lithium iodide, in order to perform the reaction with high efficiency (high reaction rate) and high selectivity and stably produce a high-purity cyclododecanone in industry while maintaining a high-level reaction rate, the epoxycyclododecane-containing starting material is produced by contacting an epoxycyclododecadiene with hydrogen in the presence of a hydrogen-reduction catalyst and has a content of the hydroxyl group-containing cyclododecane compounds contained in the epoxycyclododecane-containing starting material controlled to 5 mol % or less.
摘要翻译: 在通过在含有溴化锂和/或碘化锂的异构化反应催化剂的存在下异构化含环氧环十二烷的原料来制备环十二酮的方法中,为了以高效率(高反应速率)和高选择性进行反应,以及 在保持高反应速率的同时稳定地生产高纯度环十二烷酮,含环氧环十二烷的原料是通过在氢还原催化剂存在下使环氧环十二烷与氢接触而制得的, 含有环氧十二烷的原料中含有的环十二烷化合物控制在5摩尔%以下。
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公开(公告)号:US06518461B2
公开(公告)日:2003-02-11
申请号:US09981963
申请日:2001-10-19
申请人: Ryoji Sugise , Shuji Tanaka , Takashi Doi , Masayuki Nishio , Sadao Niida , Tsunao Matsuura
发明人: Ryoji Sugise , Shuji Tanaka , Takashi Doi , Masayuki Nishio , Sadao Niida , Tsunao Matsuura
IPC分类号: C07C4567
CPC分类号: C07C45/58 , C07C49/413 , C07C49/607
摘要: A cyclododecanone compound is continuously produced by an isomerization reaction of a corresponding epoxycyclododecane compound in the presence of a catalyst including lithium bromide and/or lithium iodide, the isomerization reaction being carried out by passing a reaction mixture containing the epoxycyclododecane compound and the catalyst through a continuous reaction apparatus including at least one tubular reactor preferably at a temperature of 100 to 350° C.
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公开(公告)号:US06472498B2
公开(公告)日:2002-10-29
申请号:US09923466
申请日:2001-08-06
申请人: Ryoji Sugise , Shuji Tanaka , Kohichi Kashiwagi , Takashi Doi , Hirofumi Ii , Masayuki Nishio , Shinichi Yoshida , Yutaka Asada , Kazuo Miyamoto
发明人: Ryoji Sugise , Shuji Tanaka , Kohichi Kashiwagi , Takashi Doi , Hirofumi Ii , Masayuki Nishio , Shinichi Yoshida , Yutaka Asada , Kazuo Miyamoto
IPC分类号: C08G6400
CPC分类号: C07C68/08 , C07C69/96 , C08G64/307
摘要: A composition consisting essentially of a diaryl carbonate and contains a furan ring-containing compound in an amount of not more than 1 ppm is favorably employable for producing less colored polycarbonate.
摘要翻译: 基本上由碳酸二芳酯组成并且含有不超过1ppm的含呋喃环的化合物的组合物有利地用于制备较少着色的聚碳酸酯。
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公开(公告)号:US5892091A
公开(公告)日:1999-04-06
申请号:US889390
申请日:1997-07-08
申请人: Katsumasa Harada , Yoichi Imbe , Keigo Nishihira , Shuji Tanaka , Satoru Fujitsu , Ryoji Sugise , Koichi Kashiwagi , Toshihiko Sumida , Takashi Doi , Masayuki Nishio
发明人: Katsumasa Harada , Yoichi Imbe , Keigo Nishihira , Shuji Tanaka , Satoru Fujitsu , Ryoji Sugise , Koichi Kashiwagi , Toshihiko Sumida , Takashi Doi , Masayuki Nishio
IPC分类号: C07C67/333 , C07C68/00 , C07D307/68 , C07D333/38 , C07C69/96
CPC分类号: C07C67/333 , C07C68/00 , C07D307/68 , C07D333/38
摘要: A catalyst composed of an organic phosphorus compound having a trivalent or pentavalent phosphorus atom and at least one carbon-phosphorus bonding or a combination of the organic phosphorus compound and a halogen atom-containing compound is effective for decarbonylation, that is, for releasing carbon monoxide from a compound containing a moiety of --CO--CO--O-- in its molecular structure.
摘要翻译: 由具有三价或五价磷原子和至少一个碳 - 磷键的有机磷化合物或有机磷化合物和含卤素原子的化合物的组合的催化剂对脱碳作用是有效的,即用于释放一氧化碳 来自在其分子结构中含有-CO-CO-O-部分的化合物。
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公开(公告)号:US6143917A
公开(公告)日:2000-11-07
申请号:US171076
申请日:1998-10-13
IPC分类号: C07C269/04 , C07D295/205
CPC分类号: C07D295/205 , C07C269/04
摘要: A process for producing an aryl carbamate of a high purity at a high yield by reacting a diaryl carbonate with an amine compound having one or more hydrogen atoms bonded to the N position in the presence of carboxylic acid(s) of the following general formulae (I): R.sup.1 --COOH and/or (II): R.sup.2 --COOH (wherein R.sup.1 represents an alkyl or cycloalkyl group having an .alpha.-positioned carbon atom bonded to only one hydrogen atom, an alkyl group having an .alpha.-positioned carbon atom bonded to no hydrogen atom, or an aryl or heterocyclic group, and R.sup.2 represents an alkyl group having an .alpha.-positioned carbon atom bonded to two or more hydrogen atoms).
摘要翻译: PCT No.PCT / JP98 / 00592 Sec。 371日期:1998年10月13日 102(e)1998年10月13日日期PCT提交1998年2月13日PCT公布。 出版物WO98 / 35936 日期:1998年8月20日一种通过使碳酸二芳基酯与具有一个或多个氢原子的胺化合物在羧酸存在下与N位相结合的方法,以高收率制备高纯度氨基甲酸芳基酯的方法 以下通式(I):R 1 -COOH和/或(II):R 2 -COOH(其中R 1表示具有仅与一个氢原子键合的α-位置碳原子的烷基或环烷基,具有α 与无氢原子结合的位置碳原子,或芳基或杂环基,R2表示具有与两个或多个氢原子结合的α位碳原子的烷基)。
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公开(公告)号:US5792883A
公开(公告)日:1998-08-11
申请号:US944251
申请日:1997-10-06
申请人: Katsumasa Harada , Ryoji Sugise , Koichi Kashiwagi , Takashi Doi , Sadao Niida , Toshio Kurafuji
发明人: Katsumasa Harada , Ryoji Sugise , Koichi Kashiwagi , Takashi Doi , Sadao Niida , Toshio Kurafuji
IPC分类号: C07C68/00
CPC分类号: C07C68/00
摘要: An improved process for preparing a diaryl carbonate from a diaryl oxalate in a liquid phase by decarbonylation utilizes a reaction vessel composed of two or more reaction chambers which are connected in series. The process is composed of the steps of continuously introducing the diaryl oxalate and an organic phosphorus compound having a trivalent or pentavalent phosphorus atom and at least one carbon-phosphorus bonding into the first chamber and continuously recovering a reaction mixture mainly containing the diaryl carbonate from the last chamber under the condition that a mixture of the diaryl oxalate and the organic phosphorus compound is heated in the reaction chambers, while discharging carbon monoxide released from the mixture.
摘要翻译: 通过脱羰由液相中草酸二芳基酯制备碳酸二芳基酯的改进方法利用由串联连接的两个或更多个反应室组成的反应容器。 该方法包括以下步骤:将草酸二芳基酯和具有三价或五价磷原子和至少一个碳 - 磷键合的有机磷化合物连续引入第一室中,连续地从主要含有碳酸二芳基酯的反应混合物中回收 在反应室中加热草酸二芳基酯和有机磷化合物的混合物同时排放从混合物中释出的一氧化碳的条件下,最后一个室。
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公开(公告)号:US5731453A
公开(公告)日:1998-03-24
申请号:US814089
申请日:1997-03-10
申请人: Keigo Nishihira , Shuji Tanaka , Yuki Nishida , Hirofumi Ii , Satoru Fujitsu , Katsumasa Harada , Ryoji Sugise , Koichi Kashiwagi , Takashi Doi
发明人: Keigo Nishihira , Shuji Tanaka , Yuki Nishida , Hirofumi Ii , Satoru Fujitsu , Katsumasa Harada , Ryoji Sugise , Koichi Kashiwagi , Takashi Doi
CPC分类号: C07C67/03 , C07C68/00 , Y02P20/127
摘要: A diaryl carbonate with a high degree of purity is produced at a high yield by (A) subjecting (a) a diaryl oxalate and a phenol compound or (b) an alkylaryl oxalate to transesterification reaction in one or two stages in the presence of a catalyst to prepare a diaryl oxalate, while removing a by-product from the reaction system; (B) collecting the diaryl oxalate from the resultant reaction product mixture of the step (A); (C) subjecting the diaryl oxalate to a decarbonylation reaction, preferably in the presence of a phosphorous compound-containing catalyst, to convert the diaryl oxalate to a corresponding diaryl carbonate, while removing a reaction by-product comprising carbon monoxide from the reaction system; and (D) collecting the diaryl carbonate from the reaction product mixture of the step (C).
摘要翻译: 通过(A)在(a)草酸二芳基酯和酚化合物或(b)草酸烷基芳基酯在一个或两个阶段中存在下进行酯交换反应,以高产率生产具有高纯度的碳酸二芳基酯 催化剂,以制备草酸二芳基酯,同时从反应体系中除去副产物; (B)从所得步骤(A)的反应产物混合物中收集草酸二芳基酯; (C)优选在含磷化合物的催化剂存在下使草酸二芳基酯进行脱羰反应,将草酸二芳基酯转化为相应的碳酸二芳基酯,同时从反应体系中除去包含一氧化碳的反应副产物; 和(D)从步骤(C)的反应产物混合物中收集碳酸二芳基酯。
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公开(公告)号:US5892089A
公开(公告)日:1999-04-06
申请号:US944231
申请日:1997-10-06
申请人: Katsumasa Harada , Ryoji Sugise , Koichi Kashiwagi , Yoichi Imbe , Takashi Doi , Keigo Nishihira , Shuji Tanaka , Hirofumi Ii
发明人: Katsumasa Harada , Ryoji Sugise , Koichi Kashiwagi , Yoichi Imbe , Takashi Doi , Keigo Nishihira , Shuji Tanaka , Hirofumi Ii
IPC分类号: C07C68/00
CPC分类号: C07C68/00
摘要: A process for preparing a diaryl carbonate from a diaryl oxalate in a liquid phase by decarbonylation is conducted by the steps of:1) performing a decarbonylation reaction of a diaryl oxalate in the presence of an organic phosphorus compound catalyst to give a reaction mixture of a diaryl carbonate and the organic phosphorus compound catalyst;2) recovering the diaryl carbonate from the reaction mixture; and3) performing a decarbonylation reaction of a diaryl oxalate in the presence of the reaction mixture from which the diaryl carbonate has been recovered and to which a halogen atom-containing compound is added, to give a reaction mixture of a diaryl carbonate and the organic phosphorus compound catalyst.
摘要翻译: 通过脱羰由草酸二芳基酯在液相中制备碳酸二芳基酯的方法是通过以下步骤进行的:1)在有机磷化合物催化剂存在下进行草酸二芳基酯的脱羰基化反应,得到 碳酸二芳酯和有机磷化合物催化剂; 2)从反应混合物中回收碳酸二芳基酯; 和3)在已经回收了碳酸二芳基酯并且含有含卤原子的化合物的反应混合物存在下进行草酸二芳酯的脱羰基反应,得到碳酸二芳基酯和有机物的反应混合物 磷化合物催化剂。
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