Abstract
AbstractWe describe herein a high yielding and metal‐free methodology to access 9‐aminophenanthrene derivatives and heterocyclic analogues starting from biaryl acetamides. The conversion of the substrates to their corresponding keteniminium salts triggers a spontaneous electrocyclization occurring at room temperature within a few minutes. DFT Calculations and competition reactions were carried out to rationalize the observed reactivity and understand the relative kinetics compared to other known reactions involving keteniminium salts.
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