titanium(IV) isopropylate; hydrogenchloride; isopropylmagnesium chloride 1.) Et2O, -45 - -40 deg C; Yield given. Multistep reaction. Yields of byproduct given;

bis(tricyclohexylphosphine)benzylidene ruthenium(IV) dichloride in dichloromethane Ambient temperaturefurther reagent;