1: hydrogen, conc. H2SO4 / 10percent Pd-C / ethyl acetate / 4 h / 2942.03 Torr / Ambient temperature 2: ethanethiol, NaH / dimethylformamide / 3 h / Heating View Scheme

1: hydrogen, conc. H2SO4 / 10percent Pd-C / ethyl acetate / 4 h / 2942.03 Torr / Ambient temperature 2: NaI, ClSiMe3 / acetonitrile / 36 h / Heating View Scheme

sulfuric acid; hydrogen; palladium on activated charcoal in ethyl acetate P=2942.03 Torr; 4 h; Ambient temperature; Yield given;