Abstract
8‐Methyl‐4‐thia‐6‐aza‐spiro[2.5]oct‐5‐en‐7‐ols and 8‐methyl‐4‐selena‐6‐aza‐spiro[2.5]oct‐5‐en‐7‐ols were synthesized in moderate to good yields via tandem Michael–nucleophilic addition of 2‐cyclopropylidenepropionaldehyde under mild conditions.
Acknowledgment
The projects 20472072 and 20332060 were supported by the National Nature Science Foundation of China.