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By picking ideal nucleophilic reagents to selectively capture these intermediates, both trisubstituted α,β-unsaturated esters, β-indole-substituted diazo esters, and dienes tend to be obtained in good to large yields and selectivities. Experimental insights implicate a reaction procedure concerning the selective protonation of vinyldiazo compounds and also the subsequent launch of dinitrogen to form plastic cations that go through intramolecular 1,3- and 1,4- hydride transfer pro