lithium aluminium tetrahydride; titanium(III) chloride in ethylene glycol dimethyl ether 16 h; Heating;

1: 1.) magnesium / 1.) ether, reflux, 0.5 h, 2.) ether, reflux, 2 h 2: 65 percent / TiCl3, LiAlH4 / 1,2-dimethoxy-ethane / 16 h / Heating View Scheme