Abstract
A straightforward approach to an array of multiaryl‐1H‐pyrrol‐2(3H)‐ones featuring an α‐diarylated all‐carbon quaternary center was developed by using diarylethanones and primary amines as the raw materials. A complete mechanism involving a CuO/TEMPO‐mediated multistep cascade process with an inherent delicate balance of substituent electronic effect is proposed. Moreover, this class of multiaryl β,γ‐unsaturated γ‐lactams demonstrates an intriguing aggregation‐induced emission effect valuable for potential application in developing luminescent materials.
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