| 硝酮与螺［5．5］－1－十一烯－3－酮的环加成反应 |
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| 引用本文： | 冯亚青,张晓东. 硝酮与螺［5．5］－1－十一烯－3－酮的环加成反应[J]. 天津大学学报(自然科学与工程技术版), 1996, 0(2) |
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| 作者姓名： | 冯亚青 张晓东 |
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| 作者单位： | 天津大学制药厂 |
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| 基金项目： | 国家教委留学回国人员科研基金 |
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| 摘 要： | （Ｚ）－Ｎ一苯基－α－取代苯基硝酮与螺［５．５］－１－十一烯－３－酮的环加成反应，制得一种新的杂螺环及几个螺取代的异唑衍生物，经核磁谱确定只有一种区域选择异构体，两种几何异构体．并对３ｂ进行了ｘ－衍射结构分析，进一步证实了其立体构型．
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| 关 键 词： | 1．3－偶极环加成，（Z）－N－苯基－α－取代苯基硝酮，螺［5．5］－1－十一烯－3－酮 |
CYCLOADDITION OF NITRONES TO SPIRO [5.5]UNDEC-1 -EN-3-ONE |
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| Feng Yaqing, Zhang Xiaodong. CYCLOADDITION OF NITRONES TO SPIRO [5.5]UNDEC-1 -EN-3-ONE[J]. Journal of Tianjin University(Science and Technology), 1996, 0(2) |
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| Authors: | Feng Yaqing Zhang Xiaodong |
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| Abstract: | A new heterocycle-system and several spiro-substituted isoxazole derivatives were synthesized by 1, 3-dipolar cycloadditions of (Z)-N-phenyl-a-substituted-pheny nitrones to spiro [5. 5]undec-1-en-3-one. NMR studies confirmed that only one regioisomer and two geometrical i-someres were formed selectively. X-ray structure analysis carried out for one 3b of these products shows the occurrence of only one stereoismer. |
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| Keywords: | dipolar cycloaddition (Z)-N-phenyl-a-substituted phenyl nitrones spiro[5. 5]undec-1-en-3-one |
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