hydrogen; palladium on activated charcoal in methanol Catalytic hydrogenation; 5 h;

1: With potassium carbonate; Pd-Tedicyp catalyst in N,N-dimethyl-formamide T=110°C; Heck reaction; 20 h; 2: With sodium hydroxide; water in N,N-dimethyl-formamide T=50 - 80°C;

1: pyridinium chlorochromate / CH2Cl2 / 40 °C 2: 86 percent 3: H2, 15percent aq. KOH / 5percent Pd/SrCO3 / 3361.5 Torr View Scheme

1: 86 percent 2: H2, 15percent aq. KOH / 5percent Pd/SrCO3 / 3361.5 Torr View Scheme