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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: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: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: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: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:US06169209A
公开(公告)日:2001-01-02
申请号:US09200370
申请日:1998-11-23
申请人: Katsumasa Harada , Ryoji Sugise , Koichi Kashiwagi , Sadao Niida
发明人: Katsumasa Harada , Ryoji Sugise , Koichi Kashiwagi , Sadao Niida
IPC分类号: C07F954
CPC分类号: C07F9/54
摘要: An improved process for preparing an organic phosphonium chloride is performed by bringing an organic phosphonium bromide into contact with a chloride ion in a heterogeneous mixture solution of water and an organic solvent.
摘要翻译: 通过使有机溴化鏻与水和有机溶剂的非均相混合溶液中的氯离子接触来进行制备有机氯化鏻的改进方法。
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7.
公开(公告)号:US4536577A
公开(公告)日:1985-08-20
申请号:US593631
申请日:1984-03-26
申请人: Hiroshi Yoshida , Sadao Niida
发明人: Hiroshi Yoshida , Sadao Niida
IPC分类号: B01J23/44 , B01J23/755 , B01J23/85 , B01J27/188 , C07B31/00 , C07B43/04 , C07B61/00 , C07C67/00 , C07C209/00 , C07C209/26 , C07C209/52 , C07C211/21 , C07C213/00 , C07C213/02 , C07C217/58 , C07C229/38 , C07D239/42 , C07D239/02
CPC分类号: C07D239/42
摘要: Disclosed is a process for preparing 2-alkyl-4-amino-5-aminomethylpyrimidine comprising (i) a first step of reacting 2-alkyl-4-amino-5-formylpyrimidine with ammonia in an inert solvent in the presence of at least one compound selected from heteropolyacids, isopolyacids, oxyacids and salts thereof containing molybdenum or tungsten, and (ii) a second step of reacting the reaction product in the first step catalytically with ammonia and hydrogen in an inert solvent in the presence of a reducing catalyst together with or without a hydroxide of an alkali metal or alkaline earth metal.
摘要翻译: 公开了制备2-烷基-4-氨基-5-氨基甲基嘧啶的方法,其包括(i)2-烷基-4-氨基-5-甲酰基嘧啶与氨在惰性溶剂中在至少一种 选自杂多酸,异多酸,含氧酸及其含有钼或钨的盐的化合物,和(ii)第二步,在惰性溶剂中,在还原催化剂存在下,使第一步骤中的反应产物与氨和氢催化反应,并与 或不含碱金属或碱土金属的氢氧化物。
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