Process for preparing fluorocarboxylic acid halides
    25.
    发明授权
    Process for preparing fluorocarboxylic acid halides 失效
    氟代羧酸卤化物的制备方法

    公开(公告)号:US5616794A

    公开(公告)日:1997-04-01

    申请号:US558243

    申请日:1995-11-17

    IPC分类号: C07C51/58 C07C53/50

    CPC分类号: C07C51/58

    摘要: A process for preparing fluorocarboxylic acid halides comprises the steps of (a) forming a starting composition comprising (i) at least one fluorosulfonic acid halide comprising at least one halosulfonyldifluoromethyl group (--Cf.sub.2 SO.sub.2 X, wherein X is halogen); and (ii) at least one Group III or Group V Lewis acid; and (b) allowing the fluorosulfonic acid halide and the Lewis acid to react to form a product composition comprising at least one fluorocarboxylic acid halide. The process enables the preparation of even higher molecular weight fluorocarboxylic acid halides in good yield.

    摘要翻译: 制备氟代羧酸卤化物的方法包括以下步骤:(a)形成起始组合物,其包含(i)至少一种含有至少一个卤代磺酰基二氟甲基(-Cf 2 SO 2 X,其中X为卤素)的氟磺酰卤; 和(ii)至少一种III族或V族路易斯酸; 和(b)使氟磺酰卤和路易斯酸反应以形成包含至少一种氟代羧酸卤化物的产物组合物。 该方法能够以高产率制备更高分子量的氟代羧酸酰卤。