Photoinduced Radical Sulfinylation of C(sp<sup>3</sup>)–H Bonds with Sulfinyl Sulfones
作者:Heping Tan、Changmei Zhang、Yangling Deng、Mengxuan Zhang、Xiya Cheng、Jie Wu、Danqing Zheng
DOI:10.1021/acs.orglett.3c00868
日期:2023.4.28
A direct C(sp3)–H sulfinylation reaction of alkanes with sulfinyl sulfones via decatungstate photocatalysis is reported. The sulfinyl sulfones generated in situ from sulfinates in the presence of an acylating reagent were able to trap the alkyl radicals that were produced via the photoinduced direct hydrogen atom transfer of alkanes, leading to a range of sulfoxides. This radical sulfinylation process
报道了烷烃与亚磺酰砜通过十钨酸盐光催化的直接 C(sp 3 )–H 亚磺酰化反应。在存在酰化试剂的情况下从亚磺酸盐原位生成的亚磺酰基砜能够捕获通过烷烃的光诱导直接氢原子转移产生的烷基自由基,从而产生一系列亚砜。这种自由基亚磺酰化过程为在温和条件下从丰富的烷烃中合成亚砜提供了一种高效简洁的方法。使用相同的策略,醛也可以通过脱羰基亚磺酰化作用转移到相应的亚砜上。