Organocatalytic Cascade Sulfa-Michael/Aldol Reaction of β,β-Disubstituted Enones: Enantioselective Synthesis of Tetrahydrothiophenes with a Trifluoromethylated Quaternary Center

Yu Su, Jun-Bing Ling, Shuang Zhang, and Peng-Fei Xu*

https:// doi: 10.1021/jo4016024