| Studies on Macrocyclic Diterpenoids (Ⅵ)——A Novel Synthetic Route to (±)-Cembrene-A |
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| 引用本文： | 李卫东,李瀛,李裕林.Studies on Macrocyclic Diterpenoids (Ⅵ)——A Novel Synthetic Route to (±)-Cembrene-A[J].中国科学B辑(英文版),1993(10). |
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| 作者姓名： | 李卫东 李瀛 李裕林 |
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| 作者单位： | State Key Laboratory of Applied Organic Chemistry，Institute of Organic Chemistry，Lanzhou University，Lanzhou 730000，PRC，State Key Laboratory of Applied Organic Chemistry，Institute of Organic Chemistry，Lanzhou University，Lanzhou 730000，PRC，State Key Laboratory of Applied Organic Chemistry，Institute of Organic Chemistry，Lanzhou University，Lanzhou 730000，PRC |
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| 基金项目： | Project supported by the National Natural Science Foundation of China and by the Special Research Grant for Doctoral Sites in Universities. |
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| 摘 要： | The total synthesis of(土)-cembrene-A, a termite pheromone, was achieved from geranylacetone and geraniol as starting materials. The key steps were the phase transfer catalyzed coupling reaction of sulphone (6) with chloride (9) and the intramolecular macrocyclization of dicarbonyl precursor (12) induced by low valent titanium. The synthetic route was short with anoverall yield of 17%.
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| 关 键 词： | synthesis macrocyclic diterpene (±)-cembrene-A (E E E)-4 8 12-trimethyl-1-isopropenyl-3 7 11-cyclotetradecatriene. |
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