Multi-step reaction with 8 steps
1: triethylamine; formic acid; chloro([(S,2S)-(?)-2-amino-1,2-diphenylethyl](4-toluenesulfonyl)amido)(mesitylene)ruthenium (II) / 2 h / 35 °C / Inert atmosphere
2: lithium aluminium tetrahydride / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere
3: 1H-imidazole / N,N-dimethyl-formamide / 3 h / 0 - 20 °C
4: sodium hydride / N,N-dimethyl-formamide; mineral oil / 3 h / 0 - 20 °C
5: Raney nickel / tetrahydrofuran / 14 h / 20 °C / Inert atmosphere
6: diethylazodicarboxylate; triphenylphosphine / tetrahydrofuran; toluene / 10 h / 50 °C / Inert atmosphere
7: tetrabutyl ammonium fluoride / tetrahydrofuran / 2 h / 0 - 40 °C / Inert atmosphere
8: 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hypochlorite; sodium chlorite / acetonitrile; aq. phosphate buffer / 2 h / 0 - 10 °C / pH 6.8
With
1H-imidazole; sodium hypochlorite; sodium chlorite; lithium aluminium tetrahydride; chloro([(S,2S)-(?)-2-amino-1,2-diphenylethyl](4-toluenesulfonyl)amido)(mesitylene)ruthenium (II); formic acid; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tetrabutyl ammonium fluoride; sodium hydride; triethylamine; triphenylphosphine; diethylazodicarboxylate;
In
tetrahydrofuran; aq. phosphate buffer; N,N-dimethyl-formamide; toluene; acetonitrile; mineral oil;
6: |Mitsunobu Displacement;
DOI:10.1016/j.bmc.2015.07.028