Photo‐Triggered Self‐Induced Homolytic Dechlorinative Sulfonylation/Cyclization of Unactivated Alkenes: Synthesis of Quinazolinones Containing a Sulfonyl Group
Bin Sun, Hao Ding, Hai‐Xia Tian, Panyi Huang, Can Jin, Chunlei Wu, Runpu Shen
Abstract
Abstract A self‐photocatalyzed sulfonylation/cyclization of quinazolinones containing unactivated alkenes with various sulfonyl chlorides was developed. The protocol provides access to sulfonyl radicals via energy transfer from the quinazolinone skeleton to the sulfonyl chloride. Notably, the transformations proceeded without any external photocatalysts, additives, or oxidants, providing an alternative method for fabricating sulfonylated compounds. magnified image
Topics & Concepts
ChemistrySulfonylHomolysisQuinazolinoneRadicalOrganic chemistryFunctional groupCombinatorial chemistryPolymerAlkylSulfur-Based Synthesis TechniquesQuinazolinone synthesis and applicationsCatalytic C–H Functionalization Methods