New 1,3-dipolar cycloaddition/dehydrogenation of azomethines ylides and azodicarboxylates: direct and effective construction of unsaturated 1,2,4-triazolines

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• 作者：Qi-Lin Wang^a ; ^b ; Ji-Ya Fu^a ; ^b ; Lin Peng^a ; Qing-Chuan Yang^a ; ^b ; Li-Na Jia^a ; ^b ; Xi-Ya Luo^a ; ^b ; Yong-Yuan Gui^a ; ^b ; Fang Tian^a ; Wen Wang^a ; Xiao-Ying Xu^a ; ^{xuxy@cioc.ac.cn} ; Li-Xin Wang^a ;
• 关键词：Cycloaddition ; Azomethine ylides ; Azodicarboxylates
• 刊名：Tetrahedron Letters
• 出版年：2012
• 期刊代码：109_00404039
• 类别：ch
• 出版时间：13 June, 2012
• 卷：53
• 期：24
• 页码：2985-2988
• 文件大小：610 K

摘要

The first K₂CO₃-catalyzed 1,3-dipolar cycloaddition/dehydrogenation of azodicarboxylates with azomethines was developed and a wide range of unsaturated 1,2,4-triazolines have been successfully prepared in good yields (up to 93%).