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    METHOD FOR NITRATING ISOUREA
    1.
    发明公开
    METHOD FOR NITRATING ISOUREA 审中-公开
    方法氮化异脲的

    公开(公告)号：EP1997802A1

    公开(公告)日：2008-12-03

    申请号：EP07738656.3

    申请日：2007-03-15

    申请人： Sumitomo Chemical Company, Limited

    发明人： YAMAGATA, Kazuyuki ,  SEKO, Shinzo

    IPC分类号： C07C275/70 ,  C07C273/18 ,  C07B61/00

    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 R 1 , R 2 and R 3 are as defined below, or a salt thereof, which comprises reacting a compound represented by the formula (1):

    wherein R 1 represents an optionally substituted straight-chain or branched C 1 to C 6 alkyl group, R 2 and R 3 are the same or different and represent an optionally substituted straight-chain or branched C 1 to C 6 alkyl group, a cycloalkyl group or a substituted aryl group, or R 2 and R 3 simultaneously represent a hydrogen atom, or a salt thereof with a nitrating agent in the presence of sulfur trioxide.

    Tetraalkylfluoroformamidinium trifluoroacetate and its use as trifluoroacetoxylation agent
    3.
    发明公开
    Tetraalkylfluoroformamidinium trifluoroacetate and its use as trifluoroacetoxylation agent 审中-公开
    四氟烷基三氟乙酸四氢醋酸盐和三环三氟乙酰氯

    公开(公告)号：EP0982299A1

    公开(公告)日：2000-03-01

    申请号：EP99306400.5

    申请日：1999-08-13

    申请人： Mitsui Chemicals, Inc.

    发明人： Hayashi, Hidetoshi ,  Sonoda, Hiroshi ,  Goto, Kenichi ,  Fukumura, Kouki ,  Naruse, Junko ,  Nagata, Teruyuki

    IPC分类号： C07D233/28 ,  C07C275/70

    CPC分类号： C07D233/28 ,  C07C67/08 ,  Y02P20/582 ,  C07C69/63

    摘要： A trifluoroacetoxylation agent is disclosed which is safe and easy to handle, very useful in industry, and represented by the formula (1);
    wherein R 1 to R 4 are a substituted or unsubstituted, saturated or unsaturated alkyl group or a substituted or unsubstituted aryl group and can be the same or different, R 1 and R 2 and/or R 3 and R 4 can bond to form a nitrogen-containing ring, optionally containing one or more other hetero atoms, and R 1 and R 3 can bond to form a nitrogen-containing ring optionally containing one or more other hetero atoms. A preparation process for the agent is also provided.

    摘要翻译： 公开了一种安全和易于处理的三氟乙酰氧基化试剂，在工业上非常有用，并且由式（1）表示; 其中R 1〜R 4为取代或未取代的饱和或不饱和的烷基或取代或未取代的芳基，可以相同或不同，R 1和R 2和/或R 3和R 4可键合形成含氮的 环，任选地含有一个或多个其它杂原子，并且R 1和R 3可键合形成任选含有一个或多个其它杂原子的含氮环。 还提供了该试剂的制备方法。

    NOVEL O-ISOPROPYLISOUREA SALTS AND PROCESS FOR THE PRODUCTION THEREOF
    9.
    发明公开
    NOVEL O-ISOPROPYLISOUREA SALTS AND PROCESS FOR THE PRODUCTION THEREOF 审中-公开
    在伊朗VERFAHREN ZU IHRER HERSTELLUNG的NEO异国风

    公开(公告)号：EP1486484A1

    公开(公告)日：2004-12-15

    申请号：EP04703880.7

    申请日：2004-01-21

    申请人： Nippon Carbide Kogyo Kabushiki Kaisha

    发明人： FUKUNISHI, Youichi ,  KAKINUMA, Shinichi ,  ISHII, Kenichi ,  MUROTANI, Masahiro

    IPC分类号： C07C275/70 ,  C07C273/18

    CPC分类号： C07C275/70

    摘要： O-isopropyl-isourea hydrogen sulfate or sulfate represented by the formula (I):
    wherein X represents HSO 4 or 1/2 SO 4 and the production method thereof, wherein O-isopropyl-isourea hydrogen sulfate is obtained by reacting cyanamide and isopropyl alcohol in the presence of sulfuric acid and is neutralized with an alkali metal hydroxide to produce O-isopropyl-isourea sulfate.

    摘要翻译： 由式（I）表示的O-异丙基 - 异硫脲硫酸盐或硫酸盐：其中X表示HSO 4或1/2 SO 4的化合物及其制备方法，其中O-异丙基 - 异硫脲硫酸氢盐通过使氰胺和异丙基 在硫酸存在下，用碱金属氢氧化物中和，得到O-异丙基 - 异脲硫酸盐。