Multi-step reaction with 10 steps
1: 1.) NaH / 1.) DMF, -10 deg, 15 min, 2.) room temperature, 24 h
2: 56 percent / sodium azide, ceric ammonium nitrate / acetonitrile / 48 h / -20 °C
3: 76 percent / imidazole / CH2Cl2 / 24 h / Ambient temperature
4: 73 percent / aq. 10percent trifluoroacetic acid / CH2Cl2 / 20 h
5: 96 percent / pyridine / CH2Cl2 / 1 h / -20 °C
6: 1.) NaH / 1.) THF, -30 deg, 20 min, 2.) a) -30 deg, 3 h, b) 0 deg, 15 h
7: 48 percent / NaNO2 / acetic acid; acetic anhydride / 16 h / 0 °C
8: diethyl ether / 2 h / Ambient temperature
9: H2S / H2O; pyridine / 24 h / Ambient temperature
10: pyridine / 16 h / Ambient temperature
With
pyridine; 1H-imidazole; sodium azide; ammonium cerium(IV) nitrate; hydrogen sulfide; sodium hydride; trifluoroacetic acid; sodium nitrite;
In
pyridine; diethyl ether; dichloromethane; water; acetic anhydride; acetic acid; acetonitrile;
DOI:10.1016/0008-6215(90)84198-4