1: 93 percent / H2 / 10 percent Pd-C / ethanol / 6 h / 38000 Torr 2: 1.) cc. hydrochloric acid, 97 percent isoamyl nitrite; 2.) propylene oxide / 1.) abs. ethanol, 0 deg C, 10 min; 2.) 1,2-dichloroethane, reflux 3: 78 percent / Amberlyst 15 ion exchange resin / methanol / Ambient temperature 4: 36 percent / air / toluene / 96 h / Heating View Scheme