Multi-step reaction with 8 steps
1: 83 percent / pyridine; various solvent(s) / 5 h / 90 - 100 °C
2: 71 percent / 1) H2 / 1) Raney - Ni / 1) MeOH, 2) 60 deg C, 30 min
3: 93 percent / HCl / 24 h / 25 °C
4: 82 percent / Na / 1) steam bath, 1 h, 2) 10 Torr, 3 h
5: 92 percent / HCl / 24 h / 25 °C
6: 1) SO2Cl2, 3) NaOAc/H2O / 1) CH2Cl2, 0 deg C, 15 min, 2) 20 deg C, 75 min, 3) steam bath, 10 min, water
7: 86 percent / NH2OH*HCl, NaOEt / H2O / 1 h / Heating
8: 84 percent / HCl/Zn / methanol
With
hydrogenchloride; sulfuryl dichloride; hydroxylamine hydrochloride; water; hydrogen; sodium ethanolate; sodium acetate; sodium; zinc;
nickel;
In
pyridine; methanol; water;