Chromium(III) alkyls featuring an amido ligand tethered to a permethyl
cyclopentadienyl ring (i.e. [eta(5)-Me(4)C(5)SiMe(2)-eta(1)-N(t)Bu]CrR
) have been prepared and structurally characterized. They catalyze the
polymerization of ethylene and the dimerization and isomerization of
alpha-olefins.