Effective Suzuki-Miyaura Arylation and Sonogashira Aryl Alkynylation on N-Heteroaromatic Cations: Synthesis of Substituted Pyridine-Fused Cationic Heterocycles

[摘要]：Suzuki-Miyaura and Sonogashira cross-coupling reactions were efficiently employed for the syntheses of aryl, biaryl, and aryl alkynyl substituted polycyclic tetrahydropyrimidinium, diazepanium, and diazocanium derivatives with moderate-to-high yields. Appropriately functionalized pyridinium templates for these syntheses were obtained under microwave irradiation, using basic alumina as the solid support.

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