发明名称 |
PROCESS FOR PRODUCING -g(a)-ALKOXYIMINOPHENYLACETONITRILE DERIVATIVE. |
摘要 |
<p>A process for producing an alpha -alkoxyiminophenylacetonitrile represented by general formula [III], (wherein R<1>, R<2>, R<3> and Y are each as defined in the specification) by reacting an alkali metal salt of an alpha -hydroxyiminophenylacetonitrile, represented by general formula [I], (wherein R<1>, R<2>, Y and A are each as defined in the specification) with a dialkyl sulfate represented by the general formula [II]: (R<3>)2SO4, (wherein R<3> is as defined in the specification) in the presence of a phase transfer catalyst in a solvent mixture composed of a hydrocarbon solvent and water. It is possible by using the above catalyst and solvent mixture to inhibit the formation of a nitrone derivative as a by-product to thereby produce a highly pure alkoxyimino compound in a high yield. <CHEM></p> |
申请公布号 |
GR3026373(T3) |
申请公布日期 |
1998.06.30 |
申请号 |
GR19980400560T |
申请日期 |
1998.03.17 |
申请人 |
SHIONOGI & CO., LTD.;SUMITOMO CHEMICAL COMPANY LIMITED |
发明人 |
TAKASE, AKIRA;KAI, HIROYUKI;MASUI, MORIYASU;MASUMOTO, KATUHISA;NAKAMURA, AKIHIKO;KIYOSHIMA, YUJIRO;SASAKI, MIKIO |
分类号 |
C07C251/48;C07C253/30;C07C255/61;C07C319/20;(IPC1-7):C07C255/62;C07C323/63 |
主分类号 |
C07C251/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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