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公开(公告)号：EP1137641B1
公开(公告)日：2004-11-10
申请号：EP99957420.5
申请日：1999-12-07
发明人： YANAGAWA, Masao , MIZUNO, Masahiko , ODA, Yoshiaki
IPC分类号： C07D237/14
CPC分类号： C07D237/14
摘要： A pyridazin-3-on derivative of formula (1) in which R2 is a hydrogen atom or a C1-C3 alkyl group, R3 is a hydrogen atom or a C¿1?-C3 alkyl group, and Q is an optionally substituted phenyl group can be prepared at a high yield and high purity by ring closing a carboxylic acid derivative of formula (2) in which R?2, R3¿ and Q are the same as defined above, or its salt in the presence of a nitrogen-containing aromatic compound and a boron compound.
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公开(公告)号：EP2170854B1
公开(公告)日：2012-10-24
申请号：EP08777692.8
申请日：2008-06-23
IPC分类号： C07D301/04 , C07D301/06 , C07D303/04
CPC分类号： C07D301/04 , C07D301/06 , C07D303/04 , Y02P20/52
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3.发明公开
公开(公告)号：EP2003114A1
公开(公告)日：2008-12-17
申请号：EP07740948.0
申请日：2007-03-28
发明人： MIZUNO, Masahiko , SEO, Tateo , SUZUTA, Tetsuya
IPC分类号： C07C67/38 , B01D3/14 , B01D3/40 , C07C4/10 , C07C5/23 , C07C11/12 , C07C11/22 , C07C69/653 , C07B61/00
摘要： A method of producing methyl methacrylate comprising the following steps:
Thermal decomposition step: a hydrocarbon having 3 or more carbon atoms is thermally decomposed to obtain a decomposed gas having a total content of propyne and propadiene of 2 wt% or more,
Separation step: mixed liquid rich in propyne and propadiene is separated from the decomposed gas obtained in the thermal decomposition step,
Propyne purification step: the mixed liquid rich in propyne and propadiene obtained in the separation step is subjected to extractive distillation, for separation into purified propyne, and crude propadiene containing propadiene as the main component,
Isomerization step: the crude propadiene obtained in the propyne purification step is isomerized in the presence of an isomerization catalyst, to obtain crude propyne containing propyne as the main component, and
Carbonylation step: the purified propyne obtained in the propyne purification step is reacted with carbon monoxide and methanol in the presence of a group VIII metal catalyst system, to produce methyl methacrylate.摘要翻译： 一种生产甲基丙烯酸甲酯的方法，包括以下步骤：热分解步骤：将具有3个或更多个碳原子的烃热分解，得到丙炔和丙二烯的总含量为2重量％以上的分解气体，分离步骤：混合 从热分解步骤中得到的分解气体中分离富含丙炔和丙二烯的液体，丙炔纯化步骤：将在分离步骤中得到的富含丙炔和丙二烯的混合液进行萃取蒸馏，分离成纯化丙炔， 丙二烯含有丙二烯为主要成分，异构化步骤：丙炔纯化步骤中得到的粗制丙二烯在异构化催化剂存在下异构化，得到含有丙炔的粗制丙炔作为主要成分，羰基化步骤：将纯化的丙炔 丙炔纯化步骤与一氧化碳和甲醇反应， n存在第VIII族金属催化剂体系，生产甲基丙烯酸甲酯。
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公开(公告)号：EP2173731A2
公开(公告)日：2010-04-14
申请号：EP08778059.9
申请日：2008-07-04
发明人： MIZUNO, Masahiko , NARAHARA, Hideo
IPC分类号： C07D301/12 , C07D303/04
CPC分类号： C07D301/12
摘要： A method is for producing propylene oxide, the method including the steps of: reacting hydrogen peroxide with propylene either in an acetonitrile solvent or in a mixture of solvents which include acetonitrile and water, in presence of a titanosilicate catalyst, whereby a reaction mixture containing propylene oxide is obtained; separating the reaction mixture obtained in the reacting into a gas and a reaction liquid; and distilling the reaction liquid obtained in the separating, whereby the reaction liquid is separated into a column top liquid containing propylene oxide, and a column bottom liquid including acetonitrile or a combination of acetonitrile and water, in combination with other steps. This enables industrially efficient production of propylene oxide with use of acetonitrile.
摘要翻译： 一种生产环氧丙烷的方法，该方法包括以下步骤：在钛硅酸盐催化剂存在下，使过氧化氢与丙烯在乙腈溶剂中或在包括乙腈和水的溶剂混合物中反应，由此得到含有丙烯 氧化物; 将反应得到的反应混合物分离成气体和反应液; 通过将分离得到的反应液蒸馏分离为含有环氧丙烷的塔顶液和含有乙腈或乙腈和水的组合的塔底液并进行其他工序。 这使得能够在工业上有效地使用乙腈生产环氧丙烷。
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公开(公告)号：EP1137641A1
公开(公告)日：2001-10-04
申请号：EP99957420.5
申请日：1999-12-07
发明人： YANAGAWA, Masao , MIZUNO, Masahiko , ODA, Yoshiaki
IPC分类号： C07D237/14
CPC分类号： C07D237/14
摘要： A pyridazin-3-on derivative of formula (1) in which R2 is a hydrogen atom or a C1-C3 alkyl group, R3 is a hydrogen atom or a C¿1?-C3 alkyl group, and Q is an optionally substituted phenyl group can be prepared at a high yield and high purity by ring closing a carboxylic acid derivative of formula (2) in which R?2, R3¿ and Q are the same as defined above, or its salt in the presence of a nitrogen-containing aromatic compound and a boron compound.
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公开(公告)号：EP2279181A1
公开(公告)日：2011-02-02
申请号：EP09723828.1
申请日：2009-03-26
IPC分类号： C07D301/06
CPC分类号： C07D301/06 , Y02P20/52
摘要： A production method of propylene oxide, wherein hydrogen, oxygen and propylene are reacted by a multistep process in a mixed solvent of acetonitrile and water, in the presence of a layered precursor of Ti-MWW and a catalyst comprising palladium supported on a carrier.
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公开(公告)号：EP0937703A1
公开(公告)日：1999-08-25
申请号：EP97944083.1
申请日：1997-10-08
IPC分类号： C07C69/716 , C07C67/60 , C07C67/313
CPC分类号： C07C67/343 , C07C67/60 , C07C69/716
摘要： The present invention is directed to a method for purifying pyruvic acid compounds, which method comprises reacting a pyruvic acid compound of general formula (I):
wherein R 1 is an optionally substituted lower alkyl group, a lower alkenyl group, a lower alkynyl group, a cycloalkyl group, an aryl group, or a heterocyclic group, and R 2 is a lower alkyl group, with a bisulfite of general formula (II):
MHSO 3 (II)
wherein M is NH 4 or an alkali metal, to give a bisulfite adduct of the pyruvic acid compound and then decomposing the adduct with an acid. According to the present invention, pyruvic acid compounds can be purified by simple and easy procedures without using purification techniques such as distillation or column chromatography, and the above method is advantageous as a process for the production on an industrial scale.摘要翻译： 本发明涉及纯化丙酮酸化合物的方法，该方法包括使通式（I）的丙酮酸化合物：其中R1是任选取代的低级烷基，低级链烯基，低级炔基， （II）的亚硫酸氢盐：MHSO 3（II）其中M是NH 4或碱金属，得到式（I）的亚硫酸氢盐加合物，其中R 2是环烷基，芳基或杂环基，R 2是低级烷基。 丙酮酸化合物，然后用酸分解加合物。 根据本发明，丙酮酸化合物可以通过简单而简单的方法纯化而不需要使用诸如蒸馏或柱色谱的纯化技术，并且上述方法作为工业规模生产的方法是有利的。
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公开(公告)号：EP2173731B1
公开(公告)日：2011-10-26
申请号：EP08778059.9
申请日：2008-07-04
发明人： MIZUNO, Masahiko , NARAHARA, Hideo
IPC分类号： C07D301/12 , C07D303/04
CPC分类号： C07D301/12
摘要： A method is for producing propylene oxide, the method including the steps of: reacting hydrogen peroxide with propylene either in an acetonitrile solvent or in a mixture of solvents which include acetonitrile and water, in presence of a titanosilicate catalyst, whereby a reaction mixture containing propylene oxide is obtained; separating the reaction mixture obtained in the reacting into a gas and a reaction liquid; and distilling the reaction liquid obtained in the separating, whereby the reaction liquid is separated into a column top liquid containing propylene oxide, and a column bottom liquid including acetonitrile or a combination of acetonitrile and water, in combination with other steps. This enables industrially efficient production of propylene oxide with use of acetonitrile.
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公开(公告)号：EP2170854A1
公开(公告)日：2010-04-07
申请号：EP08777692.8
申请日：2008-06-23
IPC分类号： C07D301/04 , C07D301/06 , C07D303/04
CPC分类号： C07D301/04 , C07D301/06 , C07D303/04 , Y02P20/52
摘要： A method is for producing propylene oxide, including reacting propylene, hydrogen, and oxygen, in an acetonitrile solvent or in a mixture of solvents which include acetonitrile and water, in presence of a titanosilicate catalyst and a palladium catalyst supported on a carrier, the propylene being fed into the reaction in the form of liquefied propylene. This realizes efficient production of propylene oxide.
摘要翻译： 一种生产环氧丙烷的方法，包括在钛硅酸盐催化剂和负载在载体上的钯催化剂存在下，在乙腈溶剂或包括乙腈和水的溶剂混合物中使丙烯，氢气和氧气反应，丙烯 以液化丙烯的形式加入到反应中。 这实现了环氧丙烷的高效生产。
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公开(公告)号：EP0937703B1
公开(公告)日：2003-05-21
申请号：EP97944083.1
申请日：1997-10-08
IPC分类号： C07C69/716 , C07C67/60 , C07C67/313
CPC分类号： C07C67/343 , C07C67/60 , C07C69/716
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