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中文摘要：
双-2-萘甲酸多亚甲基二醇酯（N-M1-N，以-2，3，4，5）在环己烷中进行光二聚反应的效率和产物的结构明显受链节长度的影响．N—M3-N生成反式-头头和顺式-头头两种结构的类立方烷，而N—M4-N和N—M5-N高产率、高区域选择性地生成反式-头头结构的类立方烷．更有意义的是，我们利用高效液相色谱成功拆分了反式-头头结构的分子内光二聚产物．
英文摘要：
The photodimerization of polymethylene bis-2-naphthoates （N-Mo-N, n = 2, 3, 4, 5） is very dependent on the length of alkyl chain in cyclohexane. Under light irradiation, N-M3-N gave both anti-head-to-head and syn-head-to-head photodimers, while N-M4-N and N-Ms-N eaeh exclusively produced anti-head-to-head photodimer with high yield and high regioselectivity. Importantly, the intramolecular anti-head-to-head cubane-like photodimer has been successfully resolved into its enantiomers by HPLC.
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