微波辐射下4-芳基-7,7-二甲基-5-氧代-3,4,5,6,7,8-六氢 香豆素的合成及其晶 体结构 |
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引用本文: | 高原,屠树江,路再生,牛德仲,孙伯旺.微波辐射下4-芳基-7,7-二甲基-5-氧代-3,4,5,6,7,8-六氢 香豆素的合成及其晶 体结构[J].有机化学,2001,21(8):599-602. |
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作者姓名: | 高原 屠树江 路再生 牛德仲 孙伯旺 |
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作者单位: | 1. 圳大学师范学院化生系 2. 徐州师范大学化学系 |
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摘 要: | 芳醛(1),5,5-二甲基-1,3-环已二酮(2),麦氏酸(3)经微波辐射3~5min,不需任何催化剂,得到4-芳基-7,7-二甲基-5-氧代-3,4,5,6,7,8-六氢香豆素(4)。产物的结构经红外、核磁、元素分析及X-射线衍射法确证。对反应过程提出了可能的机理。
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关 键 词: | 微波辐射 麦氏酸 香豆素P 合成法 环已二酮 芳香族醛 晶体结构 |
修稿时间: | 2000年12月1日 |
Microwave-induced synthesis and crystal structure of 4-aryl-7,7- dimethyl-5-oxo-3,4,5,6,7,8-hexahydrocoumarin |
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Institution: | Xuzhou Teachers Coll, Dept Chem.Xuzhou(221009) |
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Abstract: | A series of 4-aryl-7,7-dimethyl-5-oxo-3,4,5,6,7,8- hexahydrocoumarins (4) were synthesized by reaction of aryladehyde (1) and 5,5-dimethyl-1,3-cyclohexadione(2) with meldrum's acid (3) under microwave irradiation without ant catalysts. The structures were established on the basis of IR, 1^H NMR, elemental analysis and X-ray diffraction analysis. A possible mechanism for this reaction is positulated. |
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Keywords: | MICROWAVE RADIATION COUMARIN P SYNTHESIS METHODS AROMATIC ALDEHYDE CRYSTAL STRUCTURE |
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