1: sodium hydrogencarbonate; 1,4-di(diphenylphosphino)-butane / palladium diacetate / 1,1-dimethylpropan-1-ol / 35 - 100 °C / Reflux 2: hydrogen / palladium 10 on activated carbon / methanol / 60 °C / 3102.97 Torr View Scheme

Multi-step reaction with 2 steps 1: tetrahydrofuran / -15 - 10 °C2: sodium hydroxide / tetrahydrofuran / 50 °C  

Stage #1: With  sodium hydrogencarbonate in  1,1-dimethylpropan-1-ol  Reflux; Stage #2: With  palladium diacetate; 1,4-di(diphenylphosphino)-butane in  water T=35 - 100°C;  Show Experimental Procedure