1: 75 percent / H2 / 5percent Rh/C / ethanol / 3 h / 2585.7 Torr 2: 65.5 percent / pyridine / cyclohexane; dioxane / 48 h / Ambient temperature 3: xylene / Heating 4: NaH / various solvent(s) / Heating 5: 1.) NaH / 1.) DMSO, 2.) DMSO View Scheme

1: 65.5 percent / pyridine / cyclohexane; dioxane / 48 h / Ambient temperature 2: xylene / Heating 3: NaH / various solvent(s) / Heating 4: 1.) NaH / 1.) DMSO, 2.) DMSO View Scheme

1: 65.5 percent / pyridine / cyclohexane; dioxane / 48 h / Ambient temperature 2: xylene / Heating 3: NaH / various solvent(s) / Heating 4: 1.) NaH / 1.) DMSO, 2.) DMSO View Scheme

1: xylene / Heating 2: NaH / various solvent(s) / Heating 3: 1.) NaH / 1.) DMSO, 2.) DMSO View Scheme

1: NaH / various solvent(s) / Heating 2: 1.) NaH / 1.) DMSO, 2.) DMSO View Scheme

sodium hydride 1.) DMSO, 2.) DMSO; Multistep reaction;