moderate to good yields. After further arylation, 21 examples of C-2, C-4 diarylated pyridines with a significant photophysical property were obtained, which were applied as pyridine-based dyes into live-cell imaging with good biocompatibility and low toxicity.
开发了Pd催化的2,4-二
氯吡啶与
硼酸酯的C-4选择性偶联的另一种方法,该方法以中等到良好的产率提供了24个C-4偶联的
吡啶实例。进一步芳基化后,获得了21个具有显着光物理性质的C-2,C-4二芳基
吡啶实例,将其作为
吡啶基
染料用于
生物相容性好,毒性低的活细胞成像中。