1: 86 percent / H2 / 10percent Pd/C / acetic acid / 1 h 2: 1.) 10percent Pd/C / 1.) toluene, reflux, 30 min., 2.) toluene, reflux, 4.75 h. 3: 70 percent / methanol; diethyl ether / 1.33 h View Scheme

hydrogen; palladium on activated charcoal in acetic acid 1 h;