lithium triethylborohydride in various solvent(s) 0.416667 h; ΔH; Thermodynamic data;

4-(N,N-dimethlyamino)pyridine; 4-N,N-dimethylaminopyridine hydrochloride; dicyclohexyl-carbodiimide in tetrahydrofuran; chloroform Heating;

hydrogen; palladium-barium carbonate in ethanol P=1520 Torr; 2 h; Ambient temperature;

p-NO2-benzoic anhydride; scandium tris(trifluoromethanesulfonate) in tetrahydrofuran; acetonitrile 5 h; Heating; Yields of byproduct given;

disodium hydrogenphosphate; urea hydrogen peroxide; trifluoroacetic anhydride in dichloromethane T=0 - 20°C; Oxidation; Baeyer-Villiger; 18 h;

tetraoctylammonium (2-pyrrolidonide) in N,N-dimethyl-formamide 24 h; Ambient temperature;

(1S)-10-camphorsulfonic acid in toluene T=80°C; 10 h; other solvent and temperature;

phosphonium mesylate resin; potassium hydrogencarbonate in water; toluene T=90°C; 20 h;

1: (PCy3)2Cl2Ru=CHPh / 1,2-dichloro-ethane / 40 °C 2: 98 mg / H2 / (PCy3)2Cl2Rh=CHPh / 1,2-dichloro-ethane / 70 °C / 31029.7 Torr View Scheme

1: 75 percent / pyridinium chlorochromate, sodum acetate / CH2Cl2 / 1 h / Ambient temperature 2: 71 percent / tetrahydrofuran / 1 h / 0 °C 3: 91 percent / potassium hydroxide / aq. ethanol / 2.5 h / Ambient temperature 4: 60 percent / pyridine / Ambient temperature 5: thionyl chloride / diethyl ether / 4 h / Ambient temperature 6: 84 percent / pyridine / CH2Cl2 / 2 h / Heating 7: 1.) sodium hydride / 2.) tetrakis(triphenylphosphine)palladium(0) / 1.) THF, room temperature, 30 min, 2.) reflux, 2.5 h 8: 76 percent / tetramethylammonium acetate / hexamethylphosphoric acid triamide / 6 h / 90 - 95 °C 9: disodium hydrogen phosphate, 6percent sodium amalgam / tetrahydrofuran; ethanol / 2.5 h / -20 °C 10: 98 percent / hydrogen / 5percent palladium on barium carbonate / ethanol / 2 h / 1520 Torr / Ambient temperature View Scheme