Multi-step reaction with 10 steps
1: 83 percent / conc. H2SO4 / diethyl ether / 0.5 h / Ambient temperature
2: 96 percent / 2 M aq. NaOH / 12 h / Ambient temperature
3: 40 percent / 3 M HCl / steam distillation
4: 71 percent / 40percent methan. benzyltrimethylammonium hydroxide (Triton B) / 2-methyl-propan-2-ol / 2 h / Ambient temperature
5: 91 percent / H2 / 10percent Pd/C / acetic acid / 760 Torr
6: 90 percent / 18 h / 60 °C
7: 1) KN(iPr)2 / 1) Et2O, -78 deg C, 10 h, 2) Et2O, -100 deg C, 2 h
8: 2) 2.5 M HCl / 1) 40 deg C, 16 h, (sealed tube), 2) pentane, 15 min
9: 84 percent / NH2OH*HCl, CH3CO2Na / methanol; H2O / 18 h / Ambient temperature
10: 73 percent / POCl3, pyridine / 5 h / 0 °C
With
pyridine; hydrogenchloride; sodium hydroxide; sulfuric acid; hydroxylamine hydrochloride; hydrogen; sodium acetate; N-benzyl-trimethylammonium hydroxide; potassium diisopropylamide; trichlorophosphate;
palladium on activated charcoal;
In
methanol; diethyl ether; water; acetic acid; tert-butyl alcohol;
DOI:10.1016/S0040-4020(01)86456-5