1: 71 percent / lithium amide / liquid ammonia; tetrahydrofuran / 0.75 h 2: 1.) 35percent H2O2, conc. H2SO4, 2.) triethylamine, acetic anhydride / 1.) THF, 20 deg C, 24 h, 2.) 20 deg C, 2 h 3: 71 percent / H2, quinoline / 5percent Pd/C/BaSO4 / hexane View Scheme

1: 71 percent / lithium amide / liquid ammonia; tetrahydrofuran / 0.75 h 2: 1.) 35percent H2O2, conc. H2SO4, 2.) triethylamine, acetic anhydride / 1.) THF, 20 deg C, 24 h, 2.) 20 deg C, 2 h View Scheme