1: Methyltriphenylphosphonium bromide With n-butyllithium in hexane; toluene T=20°C; 3 h; 2: benzoic acid N,N'-dimethyl-N'-phenylhydrazide in hexane; toluene 48 h; Reflux;

bis(cyclopentadienyl)dimethyltitanium in toluene 48 h; Reflux;