Dicyclopentadienylaluminium Chiral Alkoxides

The reactions of Cp3Al with rac-1-phenyl-1-propanol, rac-2-phenyl-1-propanol and rac-1-phenyl-2-propanol lead to the formation of dicyclopentadienylalkoxy bridged dimers containing chiral alkoxy groups; (R,S) and (R*,R*) diastereoisomerswere found in the reaction mixture. The 1H and 13C NMR study showed a differentiation of signal patterns for diastereoisomers depending on the symmetry of a compound and of an anisotropic character of the chiral ligand.