以苯乙酮衍生物为原料,N-甲基吡咯烷酮替代甲醛类似物,考察了其作为一碳合成子在曼尼希反应中的应用. 在最优条件下,以46%~93%的收率成功合成了系列曼尼希碱衍生物. 该反应底物范围宽泛,官能团兼容性好,并且初步研究了该反应的机理.
With acetophenone derivatives as raw materials, we reported the application of N-methyl-2-pyrrolidone as one carbon synthon to replace formaldehyde analogues in the Mannich reaction.Under optimal reaction conditions, a series of mannich base derivatives were obtained with 46%~93% yield.This reaction shows a broad substrate scope and good functional groups compatibility.The preliminary mechanism of the reaction was also studied.
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