Alkyl diacyl peroxides were demonstrated to be efficient alkylating reagents for the visible-light-induced 4CzIPN-catalyzed direct C–H alkylation of N-heteroaromatics. With this metal-/base-/additive-free photocatalytic system, 57 examples of alkylated N-heteroaromatics scaffolds including 1,2,4-triazine-3,5(2H,4H)-diones (i.e. azauracils), quinoxalin-2(1H)-ones, 2H-benzo[b][1,4]oxazin-2-ones and quinoxalines
烷基二酰基过氧化物被证明是可见光诱导的 4CzI
PN 催化的N-杂
芳烃直接 C-H 烷基化的有效烷基化试剂。利用这种不含
金属/碱/添加剂的光催化系统,57个烷基化N-杂芳族化合物支架的例子包括
1,2,4-三嗪-3,5(2 H ,4 H )-二酮(即氮尿
嘧啶)、
喹喔啉-成功合成了2(1 H )-酮、2 H-苯并[ b ][1,4]恶嗪-2-酮和
喹喔啉。