1: 85 percent Chromat. / Pd(OAc)2, PPh3 / acetonitrile / 0.5 h / 80 °C / Heating; effect and amount of different catalyst and solvent 2: 95 percent / H2 / Lindlar catalyst / butan-1-ol / 2 h / 760 Torr / Ambient temperature 3: NaOMe / methanol / 10 h / 0 °C 4: 90 percent / adipic acid / 6 h / 190 °C View Scheme

potassium carbonate in acetone 8 h; Heating;

2: 1) NaH / 1) allylalcohol, mineral oil, 90 deg C, 3 h; 2) 100 deg C, 3-4 h View Scheme

sodium hydride 1) allylalcohol, mineral oil, 90 deg C, 3 h; 2) 100 deg C, 3-4 h; Yield given. Multistep reaction;

palladium diacetate; triphenylphosphine in acetonitrile 1 h; Heating;

1: 85 percent Chromat. / Pd(OAc)2, PPh3 / acetonitrile / 0.5 h / 80 °C / Heating; effect and amount of different catalyst and solvent 2: 95 percent / H2 / Lindlar catalyst / butan-1-ol / 2 h / 760 Torr / Ambient temperature 3: NaOMe / methanol / 10 h / 0 °C View Scheme

1: 85 percent Chromat. / Pd(OAc)2, PPh3 / acetonitrile / 0.5 h / 80 °C / Heating; effect and amount of different catalyst and solvent 2: 95 percent / H2 / Lindlar catalyst / butan-1-ol / 2 h / 760 Torr / Ambient temperature View Scheme