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標題: | 釕錯合物誘發含酮官能基之炔丙基酯芳香化合物之分子內環化反應與釕碳烯錯合物之氧研究 Intramolecular Cyclization Reaction of Aryl Propargyl Acetate Containing Ketone Functionality with Ruthenium Chloride Complex and Oxygenation of Subsequent Ruthenium Carbene Complex |
作者: | Ruei-Tang Jiang 江瑞堂 |
指導教授: | 林英智(Ying-Chih Lin) |
關鍵字: | 釕金屬,碳烯,環化反應,烷氧化反應,氧化反應,苯並?喃,亞丙基碳烯,亞乙基碳烯, ruthenium,carbene,cyclization,alkoxylation,oxygenation,benzopyran,allenylidene,vinylidene, |
出版年 : | 2014 |
學位: | 碩士 |
摘要: | Intramolecular cyclization of propargyl acetate 1 containing a carbonyl group on the aryl ring induced by [Ru]Cl has been investigated. The reaction gives rise to the ruthenium carbene complex 2a in the presence of NH4PF6 in dichloromethane via an exo-dig cyclization of the ketone functionality with the triple bond. Elaboration of this process is revealed by running the reaction at high temperature or other solvents such as acetone, tetrahydrofuran or acetonitrile, yielding only ruthenium carbene complex 2a. This indicates that intramolecular cyclization takes place by |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/57732 |
全文授權: | 有償授權 |
顯示於系所單位: | 化學系 |
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