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公开(公告)号：US3970700A
公开(公告)日：1976-07-20
申请号：US503691
申请日：1974-09-06
申请人： Tsuneyuki Nagase , Gohu Suzukamo , Yoshio Suzuki
发明人： Tsuneyuki Nagase , Gohu Suzukamo , Yoshio Suzuki
CPC分类号： C07C209/68 , B01J23/04 , C07C227/36 , C07B2200/07
摘要： A method for racemization of optically active amines which comprises contacting an optically active amine of the formula: ##EQU1## wherein C* is an asymmetric carbon atom, R.sub.1 is alkyl, aralkyl or aryl and R.sub.2 is aryl or alkoxycarbonyl, the aryl or aralkyl moiety bearing optionally one or more alkyl or alkoxy groups on the aromatic ring, provided that R.sub.1 and R.sub.2 are always different from each other, with an alkali metal catalyst selected from the group consisting of (1) an alkali metal deposited on a solid carrier, (2) an alkali metal dispersed in a liquid medium and (3) an alkali metal alloy at a temperature of from -10.degree. to 50.degree.C until a sufficient amount of the optically active amine is recemized.
摘要翻译： 一种光学活性胺外消旋化的方法，其包括使下式的光学活性胺与式R 1 -C 6 H-R 2 | NH 2接触，其中C *是不对称碳原子，R 1是烷基，芳烷基或芳基，R 2是芳基或烷氧基羰基 R 1和R 2总是彼此不同，芳基或芳烷基部分任选地在芳环上具有一个或多个烷基或烷氧基，碱金属催化剂选自（1）碱金属沉积物 在固体载体上，（2）分散在液体介质中的碱金属和（3）在-10℃至50℃的温度下的碱金属合金，直到接收到足够量的光学活性胺。
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公开(公告)号：US4246424A
公开(公告)日：1981-01-20
申请号：US686575
申请日：1976-05-14
申请人： Tsuneyuki Nagase , Gohu Suzukamo , Yoshio Suzuki
发明人： Tsuneyuki Nagase , Gohu Suzukamo , Yoshio Suzuki
IPC分类号： C07B55/00 , C07C87/28 , C07C101/02 , C07C101/32
CPC分类号： C07B55/00
摘要： A method for racemization of optically active amines which comprises contacting an optically active amine of the formula: ##STR1## wherein C* is an asymmetric carbon atom, R.sub.1 is alkyl, aralkyl or aryl and R.sub.2 is aryl or alkoxycarbonyl, the aryl or aralkyl moiety bearing optionally one or more alkyl or alkoxy groups on the aromatic ring, provided that R.sub.1 and R.sub.2 are always different from each other, with a catalyst comprising an alkali metal and a polycyclic aromatic hydrocarbon until a sufficient amount of the optically active amine is racemized.
摘要翻译： 一种光学活性胺外消旋化的方法，其包括使下式的光学活性胺：其中C *是不对称碳原子，R 1是烷基，芳烷基或芳基，R 2是芳基或烷氧基羰基，芳基或芳烷基部分 如果R 1和R 2总是彼此不同，则在芳环上任选地具有一个或多个烷基或烷氧基，直到足够量的光学活性胺被外消旋化为止包含碱金属和多环芳烃的催化剂。
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公开(公告)号：US4158016A
公开(公告)日：1979-06-12
申请号：US861515
申请日：1977-12-16
申请人： Tsuneyuki Nagase , Gohu Suzukamo , Yoshio Suzuki
发明人： Tsuneyuki Nagase , Gohu Suzukamo , Yoshio Suzuki
CPC分类号： C07B55/00
摘要： A method for racemization of optically active amines which comprises contacting an optically active amine of the formula: ##STR1## wherein C* is an asymmetric carbon atom, R.sub.1 is alkyl, aralkyl or aryl and R.sub.2 is aryl or alkoxycarbonyl, the aryl or aralkyl moiety bearing optionally one or more alkyl or alkoxy groups on the aromatic ring, provided that R.sub.1 and R.sub.2 are always different from each other, with a catalyst comprising an alkali metal and a polycyclic aromatic hydrocarbon until a sufficient amount of the optically active amine is racemized.
摘要翻译： 一种光学活性胺外消旋化的方法，其包括使下式的光学活性胺：其中C *是不对称碳原子，R 1是烷基，芳烷基或芳基，R 2是芳基或烷氧基羰基，芳基或芳烷基部分 如果R 1和R 2总是彼此不同，则在芳环上任选地具有一个或多个烷基或烷氧基，直到足够量的光学活性胺被外消旋化为止包含碱金属和多环芳烃的催化剂。
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公开(公告)号：US4154744A
公开(公告)日：1979-05-15
申请号：US840128
申请日：1977-10-07
申请人： Kazuhiko Hamada , Gohu Suzukamo , Tsuneyuki Nagase
发明人： Kazuhiko Hamada , Gohu Suzukamo , Tsuneyuki Nagase
IPC分类号： C07D307/46 , C07D307/50
CPC分类号： C07D307/50 , C07D307/46
摘要： A process for producing furan derivatives of the formula, ##STR1## wherein R is hydrogen, methyl or chloromethyl, which comprises reacting a mono- or a disaccharide with hydrochloric acid in a mixture containing water, an organic solvent and a catalytic amount of a surface active agent.
摘要翻译： 一种制备下式的呋喃衍生物的方法，其中R是氢，甲基或氯甲基，其包括使单糖或二糖与盐酸在含有水，有机溶剂和催化量的表面的混合物中反应 活性剂。
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公开(公告)号：US3931280A
公开(公告)日：1976-01-06
申请号：US395150
申请日：1973-09-07
IPC分类号： C07C69/743 , A01N53/10 , B01J31/00 , C07B61/00 , C07C20060101 , C07C61/04 , C07C67/30 , C07C69/74 , C07C69/747
CPC分类号： C07C2101/02
摘要： Alkyl cis-chrysanthemate is treated with a catalytic amount of alkali metal alkoxide at a temperature of about 50.degree. to 200.degree.C in the absence or presence of an aprotic solvent to give alkyl trans-chrysanthemate in a high purity and an excellent yield.
摘要翻译： 在不存在或存在非质子溶剂的情况下，在约50至200℃的温度下，用催化量的碱金属醇盐处理烷基顺 - 菊酸酯，得到高纯度的烷基反式菊酸酯和极好的收率。
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6.发明授权Racemization of optically active 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylic acids 失效光学活性的2,2-二甲基-3-（1 {40-烯基） - 环丙烷-1-羧酸的外消旋化
公开(公告)号：US3989750A
公开(公告)日：1976-11-02
申请号：US522130
申请日：1974-11-08
申请人： Tsuneyuki Nagase , Gohu Suzukamo
发明人： Tsuneyuki Nagase , Gohu Suzukamo
IPC分类号： C07C61/35 , B01J27/00 , C07B31/00 , C07B55/00 , C07B61/00 , C07C51/00 , C07C51/487 , C07C61/04 , C07C61/37 , C07C67/00 , C07C61/18
CPC分类号： C07C51/487
摘要： A method for racemization of optically active 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylic acids of the formula: ##EQU1## wherein R.sub.1 and R.sub.2 are each a hydrogen atom or an alkyl group having 1 to 4 carbon atoms or, when taken together with the carbon atom to which they are attached, represent a cycloalkylidene group having 4 to 6 carbon atoms, which comprises the step of contacting the corresponding acid halide with a Lewis acid.
摘要翻译： 用于下式的光学活性2,2-二甲基-3-（1'-链烯基） - 环丙烷-1-羧酸外消旋化的方法：CH 3 CH 3 ANGLE C ANGLE 2 R1 31 ANGLE C = CH-CH ---- CH -COOH ** R2其中R 1和R 2各自为氢原子或具有1至4个碳原子的烷基，或者当与它们所连接的碳原子一起表示碳原子数为4〜6的亚环烷基时， 其包括使相应的酰卤与路易斯酸接触的步骤。
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7.发明授权Racemization of optically active 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylic acids 失效光学活性的2,2-二甲基-3-（1'-烯基） - 环丙烷-1-羧酸的外消旋化
公开(公告)号：US4182906A
公开(公告)日：1980-01-08
申请号：US798473
申请日：1977-05-19
申请人： Gohu Suzukamo , Tsuneyuki Nagase
发明人： Gohu Suzukamo , Tsuneyuki Nagase
IPC分类号： C07C61/35 , B01J27/00 , C07B31/00 , C07B55/00 , C07B61/00 , C07C51/00 , C07C51/353 , C07C51/487 , C07C61/37 , C07C67/00
CPC分类号： C07C51/487
摘要： A method for racemization of optically active 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylic acids of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each a hydrogen atom or an alkyl group having 1 to 4 carbon atoms or, when taken together with the carbon atom to which they are attached, represent a cycloalkylidene group having 4 to 6 carbon atoms, which comprises the step of contacting the corresponding acid halide with boron halide at a temperature of not more than 20.degree. C.
摘要翻译： 一种下式的光学活性2,2-二甲基-3-（1'-链烯基） - 环丙烷-1-羧酸的外消旋化方法：其中R 1和R 2各自为氢原子或具有1个 至4个碳原子，或者当与它们所连接的碳原子一起表示碳原子数为4〜6的亚环烷基时，其包括使相应的酰卤与卤化硼在不大于 20℃
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公开(公告)号：US3943167A
公开(公告)日：1976-03-09
申请号：US415348
申请日：1973-11-13
IPC分类号： C07C61/37 , B01J23/00 , B01J31/00 , C07B61/00 , C07C51/00 , C07C51/487 , C07C61/04 , C07C67/00 , C07C51/42
CPC分类号： C07C51/487
摘要： A process for preparing trans-chrysanthemic acid which comprises reacting a mixture of alkyl trans-chrysanthemate and alkyl cis-chrysanthemate with an equimolar amount or less of an alkali with respect to the trans-isomer in the presence of water or an alcohol to hydrolyze the trans-isomer predominantly and separating the hydrolyzed trans-isomer from the unreacted cis-isomer.
摘要翻译： 一种制备反式菊酸的方法，其包括在水或醇的存在下使反式菊酸烷基酯和顺式 - 菊酸酯的混合物相对于反式异构体与等摩尔量或更少量的碱反应以水解 主要是反式异构体，并将水解的反式异构体与未反应的顺式异构体分离。
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公开(公告)号：US4090016A
公开(公告)日：1978-05-16
申请号：US689064
申请日：1976-05-24
申请人： Kozo Tsuji , Masanori Fujimoto , Fujio Masuko , Tsuneyuki Nagase
发明人： Kozo Tsuji , Masanori Fujimoto , Fujio Masuko , Tsuneyuki Nagase
CPC分类号： C08B37/0018
摘要： Carboxylated pullulan obtained by oxidizing pullulan with an oxidizing agent is readily soluble in cold water and has favorable film-forming property, yielding a film having high mechanical strengths, high modulus of elasticity and good transparency.
摘要翻译： 通过用氧化剂氧化支链淀粉获得的羧基化支链淀粉很容易溶于冷水，具有良好的成膜性，产生机械强度高，弹性模量高，透明性好的膜。
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公开(公告)号：US5006586A
公开(公告)日：1991-04-09
申请号：US337750
申请日：1989-04-13
申请人： Daijiro Touji , Akihiro Nakahara , Takefumi Nakashita , Atsuko Mitsuba , Yukiyasu Nakashio , Tsuneyuki Nagase
发明人： Daijiro Touji , Akihiro Nakahara , Takefumi Nakashita , Atsuko Mitsuba , Yukiyasu Nakashio , Tsuneyuki Nagase
IPC分类号： A61F7/10 , C08K3/00 , C08K3/16 , C08K3/34 , C08K3/40 , C08K5/05 , C08K13/02 , C08L101/06 , C09K5/00 , C09K5/06 , C09K5/08
摘要： A heat reserve material having excellent physical properties. The heat reserve material comprises;(A) a hydrophilic polymer having a hydroxyl group on a principal chain,(B) oxide glass, and(C) water and/or a water-soluble alcohol,wherein an amount of component (B) is within the range of 1 to 50 parts by weight based on 100 parts by weight of component (A), and an amount of component (C) is 6 to 50 times larger than the total weight of components (A) and (B).
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