Subtle changes of substitution pattern of fluorine in the phenyl moiety resulted in unexpected reversal of regioselectivity of methanolysis and interception of Curtius rearrangement of quaternary acids to their corresponding amines.

中文翻译：

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甲醇分解过程中区域选择性的前所未有的逆转和 Curtius 重排的拦截

苯基部分中氟取代模式的细微变化导致甲醇分解的区域选择性的意外逆转和季酸库尔蒂斯重排为其相应胺的拦截。