dipyridinium dichromate in N,N-dimethyl-formamide 96 h; Ambient temperature;

1: tetrahydrofuran / 2 h / 0 °C 2: 82 percent / pyridinium dichromate / dimethylformamide / 96 h / Ambient temperature View Scheme

1: 70.4 percent / pyridinium dichromate / CH2Cl2 / 48 h 2: tetrahydrofuran / 2 h / 0 °C 3: 82 percent / pyridinium dichromate / dimethylformamide / 96 h / Ambient temperature View Scheme

1: 70.2 percent / LiAlH4 / tetrahydrofuran / 2 h / Heating 2: 70.4 percent / pyridinium dichromate / CH2Cl2 / 48 h 3: tetrahydrofuran / 2 h / 0 °C 4: 82 percent / pyridinium dichromate / dimethylformamide / 96 h / Ambient temperature View Scheme

1: tetrahydrofuran / 2 h / 0 °C 2: 82 percent / pyridinium dichromate / dimethylformamide / 96 h / Ambient temperature View Scheme

trifluoroacetic acid in hexane T=353.6°C; 48 h; Equilibrium constantThermodynamic data;