| （1R，3R）－（－）－1－甲氧基－5，6－亚甲二氧基－3－（3，4，5－三甲氧苯基）－异苯并二氢呋喃的选择性合成 |
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| 引用本文： | 李前荣.（1R，3R）－（－）－1－甲氧基－5，6－亚甲二氧基－3－（3，4，5－三甲氧苯基）－异苯并二氢呋喃的选择性合成[J].中国科学技术大学学报,1995(4). |
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| 作者姓名： | 李前荣 |
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| 摘 要： | 在ＬｉＡｌＨ４及光学活性物质（５Ｒ）－孟氧基－２（５Ｈ）－呋喃酮（５）存在下，将６－（３′，４′，５′－三甲氧基羟卞基）－胡椒醛二甲缩醛（４）的甲苯溶液加热回流８小时，可得旋光性的（１Ｒ，３Ｒ）－（－）－１－甲氧基－５，６－亚甲二氧基－３－（３，４，５－三甲氧苯基）－异苯并二氢呋喃晶体（１），产率６１．８％．
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| 关 键 词： | （1R，3R）－（－）－1－甲氧基－5，6－亚甲二氧基－3－（3，4，5－三甲氧苯基）－异苯并二氢呋喃，选择性合成 |
Stereospecific Synthesis of (-)-1-(R)-Methoxy-5,6-Methylene Dioxyl-3-(R)-(3,4,5-Trimethoxyphenyl) Isobenzodihydrofuran |
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| Li Qianrong.Stereospecific Synthesis of (-)-1-(R)-Methoxy-5,6-Methylene Dioxyl-3-(R)-(3,4,5-Trimethoxyphenyl) Isobenzodihydrofuran[J].Journal of University of Science and Technology of China,1995(4). |
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| Authors: | Li Qianrong |
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| Institution: | Structure research Laboratory |
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| Abstract: | n the presence of LiAlH4 and optically active (5R)menthyloxy-2(5H)-furanone(5), asolution of 6-(3',4',5'-trimethoxyhydroxyoenzyl) -piperonal dimethyl acetal in toluene is refluxed for 8 hours to afford an optically active crystal of the title name with a yield of 61.8 %. |
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| Keywords: | R)-methoxy-5 6-methylene dioxyl-3-(R)-(3 4 5-trimethoxyphenyl) isobenzodihydrofuran stereospecific Synthesis |
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