2: 36 percent / PPA View Scheme

Yield given. Multistep reaction;

lithium hydroxide; bis(triphenylphosphine)palladium(II)-chloride; diisobutylaluminium hydride 1.) THF, toluene, reflux, 15 h, 2.) THF, H2O, reflux, 6 h; Multistep reaction. Title compound not separated from byproducts;