Gamma-irradiation of quinoline and its derivatives in alcohols brings about alkylation at the 2- or 4-position of pyridine ring. Hydroxyalkyl radicals play important roles in the radiation-induced alkylation with alcohol. The radiation-induced substitution of CF3CH2– and CF3CH(OH)– for H in pyridine and pyrimidine rings occurs in low yields.
伽马射线对
吡啶和其衍
生物在醇中的辐照导致在
吡啶环的2-或4-位发生烷基化。羟基烷基自由基在辐射诱导的醇参与的烷基化中起重要作用。
氟甲基(CF3CH2–)和
氟甲基醇(CF3CH(OH)–)对
吡啶和
嘧啶环上H的辐射诱导取代反应仅在较低产率下发生。