Um. Dzhemilev et al., THE FIRST EXAMPLE OF SYNTHESIS OF ALUMINACYCLOPROPANES CATALYZED BY (ETA(5)-C5H5)(2)TICL2, Mendeleev communications, (5), 1997, pp. 198-199
The synthesis of a series of cyclic organoaluminium compounds, alumina
cyclopropanes, which have never previously been described, has been ca
rried out by alpha-olefin cyclometallation with EtAlCl2 in the presenc
e of a chlorine ion acceptor, metallic magnesium and Cp2TiCl2(Cp = eta
(5)-C5H5) catalyst.