bifunctionalized at vicinal benzylic positions with Br and SO2PH groups undergo one-pot annulations with unactivated cycloalkanones. The ring closure occurs by a diastereoselective aldol-type reaction of α-sulfonyl carbanions.
在邻近苄基位置被Br和SO 2 PH基团双官能化的芳族衍
生物与未活化的环烷酮进行一锅环合。通过α-磺酰基碳负离子的非对映选择性醛醇缩合反应发生闭环。