“…Although the factors concerning its behavior have been under investigation for many years, it still remains lots of unexplored areas. In the past few years, we have been engaged in the investigation of the chemistry of alkoxycyclopentadienylaluminum compounds [22][23][24]. The correlation between bulkiness of alkoxy group and the CpAl bond mode in [Cp 2 Al(l-OR)] 2 have been reported by us recently [25].…”