Jl. Fillaut et D. Astruc, TENTACLED AROMATICS - FROM CENTRAL-RING TO OUTER-RING IRON SANDWICH COMPLEXES, Journal of the Chemical Society, Chemical Communications, (17), 1993, pp. 1320-1322
Hexamethoxyphenylethylbenzenes synthesized by hexaalkoxybenzylation of
C6Me6 via their complexation to the Fe(C5H5)+ electron-withdrawing gr
oup are readily cleaved by BBr3 to yield hexaphenols, leading to hexa-
and hepta-iron sandwich complexes with six equivalent redox centres.