A Simple One-Pot Synthesis of 2,6-Disubstituted 4-(Polyfluoroalkyl)pyridines and -pyrimidines by Reaction of 2-Polyfluoroalkylchromones with Aromatic Methyl Ketimines and Amidines
作者:Vyacheslav Ya. Sosnovskikh、Boris I. Usachev、Aleksei Yu. Sizov、Mikhail A. Barabanov
DOI:10.1055/s-2004-822321
日期:——
The reaction of 2-polyfluoroalkylchromones with ketimines, derived from aromatic methyl ketones and isopropylamine, gives 2,6-diaryl-4-polyfluoroalkylpyridines in moderate to low yields. Benzamidine and guanidine also react with 2-polyfluoroalkylchromones to afford the corresponding 2,6-disubstituted 4-polyfluoroalkylpyrimidines.
2-聚氟烷基铬酮与源自芳香性甲基酮和异丙胺的酮亚胺反应,得到2,6-二芳基-4-聚氟烷基吡啶,产率为中等到偏低。苄氨基和鸟氨酸也与2-聚氟烷基铬酮发生反应,生成相应的2,6-二取代的4-聚氟烷基嘧啶。