sodium tetrahydroborate; boron trifluoride diethyl etherate in tetrahydrofuran 2 h; Ambient temperature;

1: triethylamine / dimethylformamide / 0.33 h / -10 - -5 °C 2: triethylamine / dimethylformamide / 24 h 3: 29.5 percent / NaBH4, tributyltin chloride / methanol / Irradiation 4: 96.2 percent / NaBH4, boron trifluoride etherate / tetrahydrofuran / 2 h / Ambient temperature View Scheme

1: triethylamine / dimethylformamide / 24 h 2: 29.5 percent / NaBH4, tributyltin chloride / methanol / Irradiation 3: 96.2 percent / NaBH4, boron trifluoride etherate / tetrahydrofuran / 2 h / Ambient temperature View Scheme

1: 29.5 percent / NaBH4, tributyltin chloride / methanol / Irradiation 2: 96.2 percent / NaBH4, boron trifluoride etherate / tetrahydrofuran / 2 h / Ambient temperature View Scheme

sodium tetrahydroborate; Adenine-flavine dinucleotide; manganese (II) chloride Multistep reaction; enzymatic coupling with Catharanthus roseus (L.) G. Don cell cultures; Product distribution;

methanol; sodium tetrahydroborate; 2',5'-ADP-Sepharose-4B bound enzyme; Flavin mononucleotide; manganese (II) chloride 1.) 200 min, 4 deg C; Yield given. Multistep reaction. Yields of byproduct given;

sodium tetrahydroborate; Adenine-flavine dinucleotide; manganese (II) chloride Multistep reaction; enzymatic coupling with Catharanthus roseus (L.) G. Don cell cultures; Product distribution;

1: With sodium hydroxide in ethanol T=70°C; 16 h; 2: With hydrogenchloride in ethanol; water T=0°C;