Reactions of quinolin-8-ol with covalent halides. Part VI. Bis-π-cyclopentadienyldihalides of titanium, zirconium, and hafnium

Abstract

The complexes halogenocyclopentadienyldiquinolin-8-olatometal(IV), C₅H₅MXox₂(M = Ti, Zr; X = Cl, Br and M = Hf, X = Cl), have been prepared by the direct interaction of quinolin-8-ol (oxH) and dihalogenobis(cyclopentadienyl)metal(IV)[(C₅H₅)₂MX₂] in acetonitrile solution at room temperature. Reactions of these complexes with ethanol, with ethoxide, and with hydrogen halides have been studied. I.r. (4000–80 cm.^–1), n.m.r., and mass spectra are reported.