The ortho-compound formed penta cyclic compound was more stable that the meta-compound formed hexa cyclic compound, so the reaction rate of the ortho-compound is larger.
由邻位化合物生成的五元环络合物比由间位化合物形成的六元环络合物稳定性高，反应速度快。
Synthesis of Intramolecular Double-helical Compound Connecting Chiral 2,2'-Substituted 1,1'-Binaphthyl with meta-Pyridine Bridges.
光学活性的2，2'-二取代1，1'-联萘和间吡啶桥构筑的分子内双螺旋化合物的合成。
Synthesis of Intramolecular Double-helical Compound Connecting Chiral 2,2'-Substituted 1,1'-Binaphthyl with meta-Pyridine Bridges.
光学活性的2，2'-二取代1，1'-联萘和间吡啶桥构筑的分子内双螺旋化合物的合成。
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