biologically significant molecules. A photocatalytic [2 + 2] cycloaddition between pyridones or isoquinolones and ethenesulfonyl fluoride was achieved, providing a portal to a class of unique cyclobutane-fused pyridinyl sulfonyl fluorides with quaternary rigid rings (30 examples). Further applications of these novel sulfonyl fluoride molecules in SuFEx click chemistry were also accomplished, providing
环戊烯酮是存在于多种
天然产物和其他
生物学上重要分子中的重要基序类。实现了
吡啶酮或
异喹啉酮与乙磺酰
氟之间的光催化[2 + 2]环加成反应,为一类独特的带有季刚性环的稠合
环丁烷的
吡啶基磺酰
氟提供了一个门户(30个例子)。还完成了这些新型磺酰
氟分子在SuFEx点击
化学中的进一步应用,以合理的产率提供了相应的
磺酸盐和磺酰胺。