Synthesis of 5,6,7,8-Tetrahydro-1,6-naphthyridines and Related Heterocycles by Cobalt-Catalyzed [2 + 2 + 2] Cyclizations
Organic Letters2007Vol. 9(3), pp. 393–396
Citations Over TimeTop 10% of 2007 papers
Abstract
[reaction: see text] Microwave-promoted, cobalt-catalyzed intramolecular [2 + 2 + 2] cyclizations of dialkynylnitriles successfully gave 5,6,7,8-tetrahydro-1,6-naphthyridines. The efficient synthesis of these relatively simple, yet rarely addressed heterocycles enabled the preparation of a collection of these compounds.
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