Multi-step reaction with 12 steps
1: 80.2 percent / TsOH / toluene / 20 h / Heating
2: benzene / 18 h / Heating
3: 2N HCl / benzene / 3 h / Ambient temperature
4: 61.2 percent / TsOH / benzene / 75 h / Heating
5: 1.) hydrazine hydrate, conc. HCl, 2.) KOH / 1.) triethylene glycol, 130 deg C, 7 h, 2.) triethylene glycol, 210 deg C, 4 h
6: 580 mg / conc. HCl / ethanol; diethyl ether / 1.5 h / Ambient temperature
7: 85 percent / NH2OH*HCl, NaOAc*3H2O / ethanol / 1 h / Heating
8: 4.6 g / LiAlH4 / tetrahydrofuran / 3 h / Heating
9: 870 mg / sat. aq. NaHCO3 / CH2Cl2 / 4 h / Ambient temperature
10: 1.) LiAlH4 / tetrahydrofuran; diethyl ether / 15 h / Heating
11: K2CO3 / tetrahydrofuran; H2O / Ambient temperature
12: 1.) NaBH4, BF3*Et2O, 2.) 23percent HCl / 1.) THF, room temp., 2.) EtOH, Et2O, room temp.
With
hydrogenchloride; potassium hydroxide; sodium tetrahydroborate; lithium aluminium tetrahydride; boron trifluoride diethyl etherate; hydroxylamine hydrochloride; sodium acetate; sodium hydrogencarbonate; potassium carbonate; toluene-4-sulfonic acid; hydrazine hydrate;
In
tetrahydrofuran; diethyl ether; ethanol; dichloromethane; water; toluene; benzene;
DOI:10.1248/cpb.28.1022