Facile and effective method of preparing 1,4-bis(chlorodifluoromethyl)benzene
    1.
    发明授权
    Facile and effective method of preparing 1,4-bis(chlorodifluoromethyl)benzene 有权
    制备1,4-双(氯二氟甲基)苯的方便有效的方法

    公开(公告)号:US08816139B2

    公开(公告)日:2014-08-26

    申请号:US13477188

    申请日:2012-05-22

    CPC classification number: C07C17/14 C07C22/08

    Abstract: The present invention relates to a facile method of preparing 1,4-bis(chlorodifluoromethyl)benzene, comprising the steps of: (A) providing a reactant liquid of 1,4-bis(difluoromethyl)benzene; optionally (B) providing a light source for UV radiation; and (C) introducing chlorine gas into the reactant liquid at a temperature of 50-90° C. under a pressure above 1 atm to obtain 1,4-Bis(chlorodifluoromethyl)benzene. The invented facile method can be utilized in a batch process or a continuous process for effective production of 1,4-bis(chlorodifluoromethyl)benzene.

    Abstract translation: 本发明涉及一种制备1,4-双(氯二氟甲基)苯的简便方法,包括以下步骤:(A)提供1,4-双(二氟甲基)苯的反应液; 任选地(B)提供用于UV辐射的光源; 和(C)在高于1大气压的压力下,在50-90℃的温度下将氯气引入反应液中,得到1,4-双(氯二氟甲基)苯。 本发明的简便方法可以用于分批方法或用于有效生产1,4-双(氯二氟甲基)苯的连续方法。

    FACILE AND EFFECTIVE METHOD OF PREPARING 1,4-BIS(CHLORODIFLUOROMETHYL)BENZENE
    2.
    发明申请
    FACILE AND EFFECTIVE METHOD OF PREPARING 1,4-BIS(CHLORODIFLUOROMETHYL)BENZENE 有权
    制备1,4-BIS(氯代二甲苯)苯的方法和有效方法

    公开(公告)号:US20130116482A1

    公开(公告)日:2013-05-09

    申请号:US13477188

    申请日:2012-05-22

    CPC classification number: C07C17/14 C07C22/08

    Abstract: The present invention relates to a facile method of preparing 1,4-bis(chlorodifluoromethyl)benzene, comprising the steps of: (A) providing a reactant liquid of 1,4-bis(difluoromethyl)benzene; optionally (B) providing a light source for UV radiation; and (C) introducing chlorine gas into the reactant liquid at a temperature of 50-90° C. under a pressure above 1 atm to obtain 1,4-Bis(chlorodifluoromethyl)benzene. The invented facile method can be utilized in a batch process or a continuous process for effective production of 1,4-bis(chlorodifluoromethyl)benzene.

    Abstract translation: 本发明涉及一种制备1,4-双(氯二氟甲基)苯的简便方法,包括以下步骤:(A)提供1,4-双(二氟甲基)苯的反应液; 任选地(B)提供用于UV辐射的光源; 和(C)在高于1大气压的压力下,在50-90℃的温度下将氯气引入反应液中,得到1,4-双(氯二氟甲基)苯。 本发明的简便方法可以用于分批方法或用于有效生产1,4-双(氯二氟甲基)苯的连续方法。

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