hydrogenchloride; hydrogen; palladium on activated charcoal in ethanol 6 h; Ambient temperature;

1: T=20°C; 1 - 3 h; 2: With ammonia; sodium hydrogensulfite in water T=5 - 10°C; pH=8.5; 0.25 h; Product distribution / selectivity;

boron tribromide

1: 73 percent / NaHCO3 / benzene; H2O / 30 h 2: NaBH4 / methanol / 24 h 3: 53.7 percent / H2, conc HCl / Pd/C / ethanol / 6 h / Ambient temperature View Scheme

1: NaBH4 / methanol / 24 h 2: 53.7 percent / H2, conc HCl / Pd/C / ethanol / 6 h / Ambient temperature View Scheme

1: 1.) (-)-2-(2-HO-3-Br-5-t-Bu-C6H2-CH=N)-2'-HO-1,1'-binaphthyl, Ti(O-iPr)4, 2-HO-3,5-t-Bu2-C6H2-COOH, 2.) Me3SiCl, Et3N, 4.) TFA / 1.) toluene, 23 deg C, 1 h and 1 h, 23 deg C, 2.) toluene, -20 deg C, 15 min, 3.) toluene, -20 deg C to 23 deg C, 6 h, 4.) THF 2: imidazole / dimethylformamide 3: NaOH / H2O; methanol 4: SOCl2 5: NH4OH 6: 1.) PhI(OAc)2, KOH, 2.) LiAlH4 / 2.) THF, heating 7: 97 percent / BBr3 View Scheme

1: imidazole / dimethylformamide 2: NaOH / H2O; methanol 3: SOCl2 4: NH4OH 5: 1.) PhI(OAc)2, KOH, 2.) LiAlH4 / 2.) THF, heating 6: 97 percent / BBr3 View Scheme

tetra-n-butylammonium tetrafluoroborate in N,N-dimethyl-formamide; isopropyl alcohol Electrochemical reaction; Title compound not separated from byproducts.;

water; hydrogen; platinum aus der methylalkoholischen Loesung des Reaktionsprodukts scheidet sich das saure d-Tartrat des l-Adrenalins zuerst aus;

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