For the first time, nitriles are used as 2pi electron component in a gold-catalyzed intermolecular hetero-dehydro-Diels-Alder cycloaddition with captodative enynes leading to the regioselective formation of pyridines.
This review reports a comprehensive compilation of gold-catalyzed heterocyclic synthesis by using α-imino gold carbene complexes as the proposed intermediates.
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