ChemInform Abstract: Iodine-Catalyzed Aerobic Oxidative Formal [4 + 2] Annulation for the Construction of Polyfunctionalized Pyridines.

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• 作者：Chunyin Zhu ; Benwei Bi ; Ya Ding ; Te Zhang and Qiu-Yun Chen
• 关键词：pyridine derivatives ; fused pyridine derivatives ; ring closure reactions ; annulation reactions ; catalysis ; phase-transfer catalysis
• 刊名：ChemInform
• 出版年：2016
• 出版时间：March, 2016
• 年：2016
• 卷：47
• 期：12
• 全文大小：32K
• ISSN：1522-2667

文摘

Tri- and tetrasubstituted pyridines are conveniently prepared by iodine-catalyzed formal [4 + 2] cycloaddition of ,β-unsaturated carbonyl compounds, ammonium acetate, and ketones or aldehydes using molecular oxygen as oxidant.