| 摘要 |
<p>A helicene compound having the structure (I), which contains seven six-membered conjugated aromatic rings capped by two five-membered rings which do not superimpose on each other. The invention also describes a helical metallocene oligomer capped by unsaturated five-membered rings, having the structure (II), wherein M is a transition metal halide and n=1 to 100. Method for the preparation of these compounds are also presented.</p> |
