The thermal and nickel-catalyzed cyclodimerization of the hexapentaene produced two types of [4]radialenes. The X-ray structural analysis of the thermal dimer has shown that the molecule has a pinwheel-like structure with the exactly planar central four-membered ring.
六戊烯的热催化和镍催化环二聚反应产生两种类型的 [4] 辐射烯。热二聚体的 X 射线结构分析表明,该分子具有风车状结构,具有精确平面的中央四元环。