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    Process for preparing 2-halo-5-substituted pyridines
    4.
    发明授权
    Process for preparing 2-halo-5-substituted pyridines 失效
    制备2-卤代-5-取代吡啶的方法

    公开(公告)号：US5508410A

    公开(公告)日：1996-04-16

    申请号：US160037

    申请日：1993-11-30

    申请人： Ramiah Murugan ,  Eric F. V. Scriven ,  Tony Y. Zhang

    发明人： Ramiah Murugan ,  Eric F. V. Scriven ,  Tony Y. Zhang

    IPC分类号： C07D213/61

    CPC分类号： C07D213/61

    摘要： Described are preferred processes for preparing 2-halo-5-substituted pyridine compounds. Preferred processes can be conducted in a one-step, one-pot fashion, and involve the reaction of a formamide and a halogenating agent with a nitrile such as cis-2-pentenonitrile or with a combination of reactants including an aldehyde such as n-propionaldehyde and a nitrile or an amide. Preferred processes provide for convenient and advantageous preparations of 2-chloro-5-methylpyridine, which serves as an intermediate to important insecticidal compounds.

    摘要翻译： 描述了制备2-卤代-5-取代的吡啶化合物的优选方法。 优选的方法可以以一步一锅方式进行，并且涉及甲酰胺和卤化剂与腈如顺式-2-戊烯腈的反应或与包括醛的反应物的组合， 丙醛和腈或酰胺。 优选的方法提供方便和有利的2-氯-5-甲基吡啶的制备，其用作重要杀虫化合物的中间体。

    Processes for the synthesis of unsymmetrical secondary amines
    6.
    发明授权
    Processes for the synthesis of unsymmetrical secondary amines 失效
    合成不对称仲胺的方法

    公开(公告)号：US5424436A

    公开(公告)日：1995-06-13

    申请号：US118494

    申请日：1993-09-08

    申请人： Gerald L. Goe ,  James G. Keay ,  Eric F. V. Scriven ,  Michael L. Prunier ,  Steven J. Quimby

    发明人： Gerald L. Goe ,  James G. Keay ,  Eric F. V. Scriven ,  Michael L. Prunier ,  Steven J. Quimby

    IPC分类号： C07D213/38 ,  C07D213/48 ,  C07D213/53 ,  C07D213/24

    CPC分类号： C07D213/53 ,  C07D213/38 ,  C07D213/48

    摘要： Imines are synthesized by the hydrogenation of pyridinecarbonitriles with amines in the presence of a rhodium-loaded catalyst. The resulting imines are stable and may be transiminated and then hydrogenated to form selected secondary amine products or may be hydrolyzed to aldehydes.Further, a very useful class of unsymmetrical secondary amines represented by the formula RCH.sub.2 NHAr (in which R is not aliphatic and Ar is aromatic and not attached to R), which has heretofore been accessible only with some difficulty, can be synthesized by processes herein disclosed utilizing the reductive intermolecular coupling of nitriles and primary aromatic amines.

    摘要翻译： 在负载铑的催化剂的存在下，吡啶羰腈与胺的氢化合成了亚胺。 所得的亚胺是稳定的并且可以被过渡化，然后氢化形成选择的仲胺产物，或者可以水解成醛。 此外，由式RCH2NHAr（其中R不是脂族且Ar是芳族且不连接到R）表示的非常有用的一类非对称仲胺，其迄今为止只有一些困难才可以获得，可以通过本文公开的方法合成 利用腈和伯芳基胺的还原分子间偶联。

    Electro-synthesis of alcohols and carboxylic acids from corresponding metal salts
    7.
    发明授权
    Electro-synthesis of alcohols and carboxylic acids from corresponding metal salts 失效
    从相应的金属盐中电解合成醇和羧酸

    公开(公告)号：US5290404A

    公开(公告)日：1994-03-01

    申请号：US606591

    申请日：1990-10-31

    申请人： Joseph E. Toomey

    发明人： Joseph E. Toomey

    IPC分类号： B01D61/44 ,  C07C29/88 ,  C07C51/02 ,  C25B3/00

    CPC分类号： C25B3/00 ,  B01D61/44 ,  C07C29/88 ,  C07C51/02

    摘要： A preferred electrochemical process for producing an alcohol or carboxylic acid from a corresponding metal salt while also recovering metal cation residues is described. The preferred process does not require a three-compartment desalination cell but rather can be performed in a standard two-compartment cell divided by a cation-permeable membrane. The process comprises the step of electrolyzing an aqueous medium containing the metal salt in the anolyte of the cell to thereby yield alcohol or carboxylic acid in the anolyte and pass the metal cation into the catholyte. In one particularly preferred mode, the process provides a highly effective recovery of valuable materials from byproduct streams of base-catalyzed syntheses of polyols such as such as trimethylolpropane or pentaerythritol from aldehydes, and in another provides an efficient recovery of phenol.

    摘要翻译： 描述了从相应的金属盐生产醇或羧酸同时还回收金属阳离子残留物的优选的电化学方法。 优选的方法不需要三室海水淡化池，而是可以在由阳离子可渗透膜分隔的标准的两室室中进行。 该方法包括在电解池的阳极电解液中电解含有金属盐的含水介质，从而在阳极电解液中产生醇或羧酸，并将金属阳离子传递到阴极电解液中。 在一个特别优选的方式中，该方法提供了有效回收有价物质从碱催化合成多元醇（例如来自醛的三羟甲基丙烷或季戊四醇）的副产物流中，另一种提供了苯酚的有效回收。

    4-(N-benzyl-N-methylamino)pyridine acid salts and use in preparation of polymer-supported catalysts
    9.
    发明授权
    4-(N-benzyl-N-methylamino)pyridine acid salts and use in preparation of polymer-supported catalysts 失效
    4-（N-苄基-N-甲基氨基）吡啶酸盐，并用于制备聚合物负载的催化剂

    公开(公告)号：US5147954A

    公开(公告)日：1992-09-15

    申请号：US609393

    申请日：1990-11-05

    申请人： Donald W. McQuigg ,  Edward E. Sowers ,  Gerald L. Goe ,  Eric F. V. Scriven ,  James G. Keay

    发明人： Donald W. McQuigg ,  Edward E. Sowers ,  Gerald L. Goe ,  Eric F. V. Scriven ,  James G. Keay

    IPC分类号： C07D213/74 ,  C08F12/26

    CPC分类号： C07D213/74 ,  C08F12/26

    摘要： A cross-linked polymer-supported 4-(N-benzyl-N-methylamino) pyridine material and process for its preparation in high yield and having effective physical and catalytic properties. The polymer-supported catalyst is characterized by the suspension copolymerization of an organic phase containing the corresponding vinyl-substituted pyridine monomer, a styrene monomer, and a suitable cross-linking agent and free radical-generating catalyst in the presence of an aqueous phase containing a cellulose ether derivative as the stabilizing agent. A purified acid salt of the vinyl-substituted pyridine monomer useful in polymerizations and stable for storage as either a solid or an aqueous solution.

    摘要翻译： 交联聚合物负载的4-（N-苄基-N-甲基氨基）吡啶材料及其高产率制备并具有有效物理和催化性能的方法。 聚合物负载的催化剂的特征在于在含有相应的乙烯基取代的吡啶单体，苯乙烯单体和合适的交联剂和产生自由基的催化剂的有机相的悬浮共聚， 纤维素醚衍生物作为稳定剂。 乙烯基取代的吡啶单体的纯化酸盐可用于聚合并稳定存储为固体或水溶液。