利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

40 条记录 (耗时 0.028 秒)

    Process for producing 1-bromo-4-phenylbutane
    31.
    发明授权
    Process for producing 1-bromo-4-phenylbutane 失效
    1-溴-4-苯基丁烷的制备方法

    公开(公告)号：US6037509A

    公开(公告)日：2000-03-14

    申请号：US289385

    申请日：1999-04-12

    申请人： Shinzo Seko ,  Atsushi Furutani

    发明人： Shinzo Seko ,  Atsushi Furutani

    IPC分类号： B01J23/44 ,  B01J27/125 ,  C07B61/00 ,  C07C17/35 ,  C07C17/354 ,  C07C22/04 ,  C07C25/02 ,  C07C45/46 ,  C07C22/00

    CPC分类号： C07C17/35 ,  C07C22/04 ,  C07C45/46

    摘要： A process for producing 1-bromo-4-phenylbutane of the formula (1): ##STR1## which is characterized by the steps of; reacting 4-bromobutyryl halide of the formula (2): ##STR2## where X is a halogen atom, with benzene in the presence of a Lewis acid to give a 4-bromobutyrophenone of the formula (3): ##STR3## and reacting 4-bromobutyrophenone compound of the formula (3) with hydrogen in the presence of a metal catalyst.

    摘要翻译： 一种制备式（1）的1-溴-4-苯基丁烷的方法：其特征在于以下步骤： 使式（2）的4-溴丁酰卤（其中X是卤素原子）与苯在路易斯酸存在下反应，得到式（3）的4-溴丁酰苯：并使式（4）的4-溴丁酰苯化合物与式 （3）与氢气在金属催化剂存在下反应。

    Process for producing hexahydrothieno[3,4-D]imidazole-2,4-diones
    32.
    发明授权
    Process for producing hexahydrothieno[3,4-D]imidazole-2,4-diones 失效
    六氢噻吩并[3,4-D]咪唑-2,4-二酮的制备方法

    公开(公告)号：US5969149A

    公开(公告)日：1999-10-19

    申请号：US161226

    申请日：1998-09-28

    申请人： Nobuhiro Tani ,  Shinzo Seko

    发明人： Nobuhiro Tani ,  Shinzo Seko

    IPC分类号： C07D495/04 ,  C07D235/26

    CPC分类号： C07D495/04

    摘要： There is disclosed a process for producing hexahydrothieno[3,4-d]imidazole-2,4-diones of the formula (1): wherein R is the same or different and represents a lower alkyl group, an alkenyl group, an aryl group or an aralkyl group all of which may be substituted, which is characterized by the step of reacting hexahydrofuro[3,4-d]imidazole-2,4-diones of the formula (2): ##STR1## wherein R has the same meaning as described above with hydrogen sulfide in the presence of a basic compound and sulfur.

    摘要翻译： 公开了制备式（1）的六氢噻吩并[3,4-d]咪唑-2,4-二酮的方法：其中R相同或不同，表示低级烷基，烯基，芳基 或其所有可以被取代的芳烷基，其特征在于使式（2）的六氢呋喃并[3,4-d]咪唑-2,4-二酮的反应步骤：其中R具有与上述相同的含义 在碱性化合物和硫的存在下使用硫化氢。

    Process for producing aminonitropyridines
    33.
    发明授权
    Process for producing aminonitropyridines 失效
    制备氨基硝基吡啶的方法

    公开(公告)号：US5648496A

    公开(公告)日：1997-07-15

    申请号：US623039

    申请日：1996-03-28

    申请人： Shinzo Seko ,  Kunihito Miyake

    发明人： Shinzo Seko ,  Kunihito Miyake

    IPC分类号： C07D213/73 ,  C07D213/84 ,  C07D213/85 ,  C07D213/89 ,  C07D215/38 ,  C07D215/42 ,  C07D215/60 ,  C07D471/04 ,  C07D491/04

    CPC分类号： C07D213/73 ,  C07D213/84 ,  C07D213/85 ,  C07D213/89 ,  C07D215/38 ,  C07D215/42 ,  C07D215/60 ,  C07D471/04 ,  C07D491/04

    摘要： A process for producing an aminonitropyridine represented by the general formula [1], which comprises reacting a nitropyridine represented by the general formula [2] (wherein X.sup.1, X.sup.2 and X.sup.3 indicate a hydrogen atom, a halogen atom, a nitro group, a cyano group, an aryl group, an aromatic heterocycle or an alkyl group, etc.; Y is an oxygen atom; and n is 0 or 1) with an O-substituted hydroxylamine represented by the general formula [3] (wherein R.sup.4 is a hydrogen atom, an alkyl group, a cycloalkyl group or an aralkyl group; and R.sup.5 is an alkyl group or an aralkyl group) or a salt thereof in the presence of a base and a metal catalyst. ##STR1##

    摘要翻译： 一种制备由通式[1]表示的氨基硝基吡啶的方法，其包括使由通式[2]表示的硝基吡啶与其反应（其中X 1，X 2和X 3表示氢原子，卤素原子，硝基，氰基 基团，芳基，芳族杂环或烷基等; Y是氧原子; n是0或1）与通式[3]表示的O-取代羟胺（其中R 4是氢 原子，烷基，环烷基或芳烷基; R 5为烷基或芳烷基）或其盐在碱和金属催化剂存在下反应。

    METHOD FOR NITRATING ISOUREA
    34.
    发明申请
    METHOD FOR NITRATING ISOUREA 审中-公开
    用于制造ISOUREA的方法

    公开(公告)号：US20090018364A1

    公开(公告)日：2009-01-15

    申请号：US12282479

    申请日：2007-03-15

    申请人： Kazuyuki Yamagata ,  Shinzo Seko

    发明人： Kazuyuki Yamagata ,  Shinzo Seko

    IPC分类号： C07C273/18

    CPC分类号： C07C273/1854 ,  C07C2601/14 ,  C07C275/70

    摘要： An object of the present invention is to industrially advantageously produce N-nitroisoureas or a salt thereof which is useful as a synthetic intermediate for pharmaceuticals and pesticides. The present invention relates to a process for producing a compound represented by the formula (2): wherein R1, R2 and R3 are as defined below, or a salt thereof, which comprises reacting a compound represented by the formula (1): wherein R1 represents an optionally substituted straight-chain or branched C1 to C6 alkyl group, R2 and R3 are the same or different and represent an optionally substituted straight-chain or branched C1 to C6 alkyl group, a cycloalkyl group or a substituted aryl group, or R2 and R3 simultaneously represent a hydrogen atom, or a salt thereof with a nitrating agent in the presence of sulfur trioxide.

    摘要翻译： 本发明的目的是在工业上有利地生产N-硝基异脲或其盐，其可用作药物和农药的合成中间体。 本发明涉及由式（2）表示的化合物的制备方法：其中R1，R2和R3如下所定义，或其盐，其包括使式（1）表示的化合物：其中R1 表示任选取代的直链或支链C1至C6烷基，R2和R3相同或不同，表示任选取代的直链或支链C1至C6烷基，环烷基或取代的芳基或R2 和R3同时在三氧化硫的存在下与硝化剂一起代表氢原子或其盐。

    Process for producing retinal and intermediates for producing the same
    38.
    发明授权
    Process for producing retinal and intermediates for producing the same 失效
    用于生产视网膜和中间体的方法

    公开(公告)号：US06288283B1

    公开(公告)日：2001-09-11

    申请号：US09584354

    申请日：2000-06-01

    申请人： Shinzo Seko ,  Naoto Konya ,  Toshiya Takahashi

    发明人： Shinzo Seko ,  Naoto Konya ,  Toshiya Takahashi

    IPC分类号： C07C4711

    CPC分类号： C07C403/14 ,  C07B2200/09 ,  C07C403/10 ,  C07C403/22 ,  C07C2601/16

    摘要： There are disclosed: a hydroxyaldehyde derivative of formula (1): wherein the wavy line depicted by indicates a single bond and the compound having a double bond to which said single bond is attached represents E or Z isomer or a mixture thereof, a methoxy alcohol derivative of formula (2): wherein the wavy line depicted by indicates a single bond and the compound having a double bond to which said single bond is attached represents E or Z isomer or a mixture thereof, processes for producing the same, and a process for producing a retinal using the same.

    摘要翻译： 公开了式（1）的羟基醛衍生物：其中由所示的波浪线表示单键，并且 具有所述单键的双键的化合物表示E或Z异构体或其混合物，式（2）的甲氧基醇衍生物：其中由

    Method for producing arylvinylsulfone
    39.
    发明授权
    Method for producing arylvinylsulfone 失效
    芳基乙烯基砜的制备方法

    公开(公告)号：US5902905A

    公开(公告)日：1999-05-11

    申请号：US968306

    申请日：1997-11-12

    申请人： Shinzo Seko ,  Akio Kurihara ,  Isao Kurimoto

    发明人： Shinzo Seko ,  Akio Kurihara ,  Isao Kurimoto

    IPC分类号： C07C315/04 ,  C07C317/14

    CPC分类号： C07C315/04

    摘要： There is provided a method for producing arylvinylsulfone of the formula: ##STR1## wherein, R.sup.1 and R.sup.2 denote each independently a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group,a nitro group, an amino group, a lower alkylamino group anda lower di(alkylamino) group,which comprises reacting .beta.-haloethylarylsulfone of the formula: ##STR2## wherein, R.sup.1 and R.sup.2 are as defined above and X denotes a halogen atom, with an alkali metal carbonate or an alkali metal hydrogencarbonate in the presence of a catalytic amount of an amine or its inorganic acid salt or a quaternary ammonium salt.

    摘要翻译： 提供了下式的芳基乙烯基砜的制备方法：其中，R1和R2各自独立地表示氢原子，卤素原子，低级烷基，低级烷氧基，硝基，氨基，低级烷基氨基 和低级二（烷基氨基）基团，其包括使下式的β-卤代乙基芳基砜反应：其中，R1和R2如上所定义，X表示卤素原子，与碱金属碳酸盐或碱金属碳酸氢盐在 催化量的胺或其无机酸盐或季铵盐。