Multi-step reaction with 11 steps
1: 1) sodium hydride / 1) DMF, 30 min, 0 deg C, 2) 2h, room temperature
2: HCl / acetone / 0.17 h / Heating
3: 1) HCl, 2) sodium acetate / 1) 3h, 90 deg C, 2) 30 min, reflux
4: 94 percent / sodium methoxide / methanol / 1 h / Ambient temperature
5: 93 percent / pyridine / Ambient temperature
6: 94 percent / HBr / acetic acid; CH2Cl2 / 0.33 h / 0 °C
7: 80 percent / 1,1,3,3-tetramethylurea, silver triflate / CH2Cl2; toluene / 2 h / Ambient temperature
8: sodium methoxide / methanol / 1 h / Ambient temperature
9: sodium hydride / dimethylformamide / Ambient temperature
10: 91 percent / HCl / acetone / 1 h / Ambient temperature
11: 92 percent / pyridine / Ambient temperature
With
pyridine; hydrogenchloride; hydrogen bromide; sodium methylate; sodium acetate; silver trifluoromethanesulfonate; sodium hydride; tetramethylurea;
In
methanol; dichloromethane; acetic acid; N,N-dimethyl-formamide; acetone; toluene;
DOI:10.1016/0008-6215(92)84118-C