HFIP-Induced Formation of O -Aryl Oxyallyl Cation and Nucleophilic Addition with Sodium Sulfinate Salt

Key Points

• This research aims to explore the formation of oxyallyl cation intermediates and their reaction with sodium sulfinate salts.
• Utilized HFIP to induce formation of oxyallyl cations.
• Executed nucleophilic addition with sodium sulfinate salts.
• Assessed yields of α-sulfonyl enol ether adducts.
• Achieved high yield of α-sulfonyl enol ethers as a single regioisomer.
• Demonstrated versatility of resulting compounds for postfunctionalization reactions.