Multi-step reaction with 14 steps
1: 51 percent / CuBr*Me2S / nitrobenzene / 8 h / 130 °C
2: 89 percent / BH3*THF / tetrahydrofuran / 3 h / 0 °C
3: 92 percent / LiOH, H2O / tetrahydrofuran; methanol
4: 86 percent / EDCI, HOBt / CH2Cl2 / 12 h / 25 °C
5: 70 percent / CBr4, Ph3P / diethyl ether / 12 h / 25 °C
6: NaH / tetrahydrofuran / 1.) 0 deg C, 20 min; 2.) -78 deg C, 12 h
7: 0.5 N aq. HCl / tetrahydrofuran / 14 h / 25 °C
8: 88 percent / EDCI, HOBt / dimethylformamide / 12 h / 25 °C
9: H2 / Pd-C / tetrahydrofuran / 3 h / 25 °C
10: NaHCO3 / tetrahydrofuran / 25 °C
11: 90 percent / n-Bu4NF / dimethylformamide / 4 h / 25 °C
12: 3.0 M HCl / ethyl acetate / 0.5 h / 25 °C
13: 58 percent / DPPA, NaHCO3 / dimethylformamide / 72 h / 0 °C
14: diethyl ether / 0 °C
With
hydrogenchloride; lithium hydroxide; borane-THF; copper(I) bromide dimethylsulfide complex; carbon tetrabromide; diphenyl-phosphinic acid; tetrabutyl ammonium fluoride; water; hydrogen; sodium hydride; sodium hydrogencarbonate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triphenylphosphine;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; ethyl acetate; nitrobenzene; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(01)93447-1