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1,3-偶极环加成反应合成螺哌啶-六氢吡嗪类化合物

Synthesis of spiro-pyrido-pyrrolizines derivatives by 1,3-dipolar cycloaddition
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摘要 通过1-苄基-3,5-双芳亚甲基哌啶-4-酮和由脯氨酸与靛红原位反应生成的甲亚胺叶立德的l,3-偶极环加成反应,以较高收率合成了一系列新的螺哌啶-六氢吡嗪类化合物.采用NMR、质谱I、R、元素分析等多种谱学技术对产物进行详细表征. The 1,3-dipolar cycloaddition of an azomethine ylide generated by a decarboxylative route from proline and isatin to 1-benzyl-3,5-diarylidene-piperidin-4-ones afforded novel spiro pyrrolizidines in good yields.The structures of the products were characterized thoroughly by NMR,MS,IR and elemental analysis.
出处 《湖南科技大学学报(自然科学版)》 CAS 北大核心 2010年第4期101-103,共3页 Journal of Hunan University of Science And Technology:Natural Science Edition
基金 国家自然科学基金资助项目(20971041) 湖南省教育厅资助项目(09B032)
关键词 螺杂环 六氢吡嗪 甲亚胺叶立德 l 3-偶极环加成 spirohetercycle pyrrolizidine azomethine ylide 1 3-dipolar cycloaddition
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