4.4 Article

Synthesis of Nitrogen Heterocycles by a C-C Cross-Coupling/Cycloisomerization Strategy

Journal

SYNLETT
Volume 33, Issue 17, Pages 1707-1715

Publisher

GEORG THIEME VERLAG KG
DOI: 10.1055/s-0042-1751352

Keywords

catalysis; cross-coupling; cycloisomerization; heterocycles; palladium; regioselectivity

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This article presents a personalized approach to synthesizing nitrogen heterocycles by combining regioselective Pd-catalyzed cross-coupling reactions and acid-mediated cycloisomerization reactions. The resulting products exhibit new heterocyclic core structures and display interesting optical and electronic properties.
The present article presents a personalized Account on the synthesis of nitrogen heterocycles by combination of regioselective Pd-catalyzed cross-coupling reactions of polyhalogenated heterocycles, i.e., Suzuki-Miyaura and Sonogashira reactions, with acid-mediated cycloisomerization reactions. In many cases, the products constitute new heterocyclic core structures and show interesting optical and electronic properties. 1 Introduction 2 Acridines 3 Phenathridines 4 Azapyrenes 5 Thienoquinolines 6 Pyrrolonaphthyridines 7 6-Aza-ullazines 8 Conclusions

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