Multi-step reaction with 11 steps
1: 67 percent / CH2Cl2 / 1.) 0 deg C, 10 min, 2.) RT, 20 min
2: 70 percent / KOH / acetone / 7 h / Heating
3: 89 percent / K2CO3 / methanol; H2O / 20 h / Ambient temperature
4: 62 percent / tetrahydrofuran; acetic acid / 96 h / Ambient temperature
5: Et3N / CH2Cl2 / 0.5 h / 0 °C
6: LiCl / dimethylformamide / 0.08 h / 120 °C
7: 95 percent / concd. HCl / 1 h / Heating
8: Et3N / acetone / 0.17 h / 0 °C
9: NaN3 / acetone; H2O / 0.5 h
10: toluene / 1 h / Heating
11: 2 N aq. HCl / 0.17 h / Heating
With
hydrogenchloride; potassium hydroxide; sodium azide; potassium carbonate; triethylamine; lithium chloride;
In
tetrahydrofuran; methanol; dichloromethane; water; acetic acid; N,N-dimethyl-formamide; acetone; toluene;
DOI:10.1021/jm00105a038