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52 条记录 (耗时 0.042 秒)

    Process for the preparation of 1-aryl-1-cyanocyclobutane derivatives
    2.
    发明授权
    Process for the preparation of 1-aryl-1-cyanocyclobutane derivatives 失效
    1-芳基-1-氰基环丁烷衍生物的制备方法

    公开(公告)号：US06545173B1

    公开(公告)日：2003-04-08

    申请号：US09077698

    申请日：1998-05-28

    申请人： Stephen John Barker ,  Sharon Michelle Clark

    发明人： Stephen John Barker ,  Sharon Michelle Clark

    IPC分类号： C07C25500

    CPC分类号： C07C253/30 ,  C07C2601/04

    摘要： A process for the preparation of arylcyclobutylnitrile derivatives which involves reaction of a solution of a 1,3-dihalopropane and a cyanobenzyl derivative in a substantialy dimethyl sulphoxide-free solvent with a suspension of a base in a substantially dimethyl sulphoxide-free solvent at a temperature of at least 35° C.

    摘要翻译： 芳基环丁基腈衍生物的制备方法，其包括将1,3-二卤代丙烷和氰基苄基衍生物在无基本二甲基亚砜基溶剂中的溶液与碱在基本上无二甲基亚砜的溶剂中的悬浮液 至少35°C

    Process for producing cyanobenzoic acid derivatives
    3.
    发明授权
    Process for producing cyanobenzoic acid derivatives 失效
    制备氰基苯甲酸衍生物的方法

    公开(公告)号：US06433211B1

    公开(公告)日：2002-08-13

    申请号：US09404362

    申请日：1999-09-24

    申请人： Hiroshi Yasuda ,  Haruaki Ito ,  Takashi Tani ,  Kimitaka Ohshiro ,  Makoto Saito ,  Sumio Soya ,  Kuniomi Marumo

    发明人： Hiroshi Yasuda ,  Haruaki Ito ,  Takashi Tani ,  Kimitaka Ohshiro ,  Makoto Saito ,  Sumio Soya ,  Kuniomi Marumo

    IPC分类号： C07C25500

    CPC分类号： C07C253/30 ,  C07C255/57

    摘要： A process for producing a cyanobenzoic acid compound, a cyanobenzamide compound, an alkyl cyanobenzoate compound, and a cyanobenzoyl chloride compound, which are useful intermediates for a variety of chemicals such as pharmaceuticals, agrochemicals, liquid crystals, and monomers for functional polymers. One nitrile group of an easily available phthalonitrile compound is selectively hydrolyzed to thereby produce a cyanobenzamide compound with high selectivity and yield. The cyanobenzamide compound thus-produced is transformed under acidic conditions into a cyanobenzoic acid compound and a cyanobenzoate ester compound without the cyano group of the benzene ring being damaged.

    摘要翻译： 用于制备用于各种化学品如药物，农业化学品，液晶和功能性聚合物的单体的有用的中间体的氰基苯甲酸化合物，氰基苯甲酰胺化合物，烷基氰基苯甲酸酯化合物和氰基苯甲酰氯化合物的方法。 选择性地水解一种容易获得的邻苯二腈化合物的腈基，从而以高选择性和收率产生氰基苯甲酰胺化合物。 将由此制得的氰基苯甲酰胺化合物在酸性条件下转化成氰基苯甲酸化合物和氰基苯甲酸酯化合物，而苯环的氰基不被损坏。

    Activated propenes as color couplers method for the production thereof
    5.
    发明授权
    Activated propenes as color couplers method for the production thereof 失效
    活化丙烯作为其制备方法

    公开(公告)号：US06265600B1

    公开(公告)日：2001-07-24

    申请号：US08098334

    申请日：1993-07-30

    申请人： Hugh Martin Williamson

    发明人： Hugh Martin Williamson

    IPC分类号： C07C25500

    CPC分类号： C07C309/65 ,  C07C255/30 ,  G03C7/36

    摘要： The invention provides novel photographic compositions comprising a propene isomer of the formula wherein A B or E, each individually represent hydrogen, or an electron withdrawing group, selected for example from —CN, —NO2, —SO2R, —SO2NH—, —CO2R, —COR, —CONHR, —CONHAr, —CF3 halogen, amino, aryl, aralkyl, alkyl, cycloalkyl, alkyl (carbonyl)oxy, aryl (carbonyl)oxy, carboxy, alkoxycarbonyl, aryloxycarbonyl, carbamomyl, acyl, alkylaminocarbonyl, arylaminocarbonyl, alkoxycarbonylamino, acylamino, ureido, alkylsulphonylamino, arylsulphonylamino, sulphamoylamino, alkylsulphonyl, arylsulphonyl, sulphamoyl, imido, alkylthio, arylthio and heterocycles; the invention also provides a propene isomer of the formula I wherein D represents a group of the formula Ar—L— wherein Ar is a phenyl group optionally substituted with one or more substituents, and —L— is a linking group incorporating a lone pair of electrons; and A, B, E and X are defined as R is above defined. The activated propenes of the above formulae are novel colour couplers which react with oxidised developer under alkaline conditions to give magenta dyes.

    摘要翻译： 本发明提供了新颖的照相组合物，其包含ABA或E型的丙烯异构体，各自独立地表示氢或吸电子基团，其选自例如-CN，-NO 2，-SO 2 R，-SO 2 NH - ， - CO 2 R，-COR ，-CONHR，-CONHAr，-CF 3卤素，氨基，芳基，芳烷基，烷基，环烷基，烷基（羰基）氧基，芳基（羰基）氧基，羧基，烷氧基羰基，芳氧基羰基，氨基甲酰基，酰基，烷基氨基羰基，芳基氨基羰基，烷氧基羰基氨基，酰基氨基 ，脲基，烷基磺酰基氨基，芳基磺酰基氨基，氨磺酰基氨基，烷基磺酰基，芳基磺酰基，氨磺酰基，亚氨基，烷硫基，芳硫基和杂环; 本发明还提供了式I的丙烯异构体，其中D表示式Ar-L的基团，其中Ar是任选被一个或多个取代基取代的苯基，而-L-是包含一对电子的连接基团 ; 并且A，B，E和X定义为R在上面定义。 上述式的活化丙烯是在碱性条件下与氧化显影剂反应以产生品红色染料的新型成色剂。

    Method for hemihydrogenating dinitriles to form aminonitriles
    9.
    发明授权
    Method for hemihydrogenating dinitriles to form aminonitriles 失效
    半腈化二硝腈形成氨基腈的方法

    公开(公告)号：US06635781B1

    公开(公告)日：2003-10-21

    申请号：US09937761

    申请日：2002-06-07

    申请人： Frédéric Dallemer ,  Aline Seigneurin

    发明人： Frédéric Dallemer ,  Aline Seigneurin

    IPC分类号： C07C25500

    CPC分类号： C07C253/30 ,  C07C255/24

    摘要： A process is provided for the hemihydrogenation of dinitriles to corresponding aminonitriles using hydrogen in the presence of a supported catalyst. The supported catalyst comprises ruthenium supported on a carbon black, called acetylene black, resulting from the pyrolysis of paraffin oils.

    摘要翻译： 提供了在负载型催化剂存在下，使用氢将二腈与相应的氨基腈半氢化的方法。 载体催化剂包含负载在炭黑上的钌，称为乙炔黑，由石蜡油的热解产生。

    Method for producing high purity cyanate
    10.
    发明授权
    Method for producing high purity cyanate 失效
    生产高纯度氰酸盐的方法

    公开(公告)号：US06603035B1

    公开(公告)日：2003-08-05

    申请号：US09377744

    申请日：1999-08-20

    申请人： Satoshi Okamoto ,  Hisashi Watabu

    发明人： Satoshi Okamoto ,  Hisashi Watabu

    IPC分类号： C07C25500

    CPC分类号： C07C261/02

    摘要： Provided is a method for producing high purity cyanate derived from a phenol compound represented by the following formula (I): in the formula, each of A independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, X represents a single bond, an organic group having 1 to 20 carbon atoms, a carbonyl group, a sulfone group, a divalent sulfur atom or an oxygen atom, i and n represent an integer from 0 to 4. The cyanate contains low amount of impurities such as unreacted phenols and imidecarbonate, and is preferably used as a thermosetting resin for a sealing, laminate, composite material, molding material and adhesive for electric parts.

    摘要翻译： 本发明提供一种由下式（I）表示的酚化合物得到的高纯度氰酸酯的制造方法：在式中，A各自独立地表示氢原子或碳原子数1〜6的烷基，X表示单 键，碳原子数1〜20的有机基团，羰基，砜基，二价硫原子或氧原子，i和n表示0〜4的整数。氰酸酯含有少量杂质，例如未反应 酚类和亚氨基碳酸酯，优选用作密封，层叠，复合材料，成型材料和电气部件用粘合剂的热固性树脂。