Multi-step reaction with 14 steps
1: oxalic acid / toluene / 16 h / Heating
2: 1.) NaBH4, BF3*Et2O, 2.) 10percent NaOH, 30percent H2O2 / 1.) THF, room temp., 15 h, 2.) THF, H2O, room temp., 1 h
3: 33.6 percent / Na2Cr2O7*2H2O, conc. H2SO4 / diethyl ether; H2O / 2 h / 5 - 13 °C
4: 75.8 percent / TiCl4 / benzene / 1.) room temp., overnight, 2.) 75-80 deg C, 8 h
5: 78 percent / benzene / 20 h / Heating
6: 90.3 percent / NH2OH*HCl, NaOAc / dimethylformamide / Ambient temperature
7: 81.9 percent / LiAlH4 / tetrahydrofuran; dioxane / Heating
8: 73.3 percent / 5percent NaHCO3 / CH2Cl2 / 4 h / Ambient temperature
9: 80.2 percent / pyridine / 4 h / Ambient temperature
10: 44.3 percent / NaI, Zn / 1,2-dimethoxy-ethane / 76 h / Heating
11: 97.7 percent / H2 / 10percent Pd-C / ethanol / 7.5 h / 70 - 90 °C / 47808 Torr
12: 2.88 g / 20percent KOH / ethanol / 72 h / Heating
13: 20.7 percent / 1.) NaHCO3, 2.) HBr / dimethylformamide / 150 °C
14: 95 percent / 48percent HBr / acetic acid / Heating
With
potassium hydroxide; sodium hydroxide; sodium tetrahydroborate; lithium aluminium tetrahydride; sodium dichromate; sulfuric acid; boron trifluoride diethyl etherate; hydroxylamine hydrochloride; hydrogen bromide; hydrogen; dihydrogen peroxide; sodium acetate; oxalic acid; titanium tetrachloride; sodium hydrogencarbonate; sodium iodide; zinc;
palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; pyridine; 1,2-dimethoxyethane; diethyl ether; ethanol; dichloromethane; water; acetic acid; N,N-dimethyl-formamide; toluene; benzene;
DOI:10.1248/cpb.28.1022