Multi-step reaction with 10 steps
1: 36percent aq. HCl / 0.5 h / Ambient temperature
2: 85 percent / TsCl, pyridine / -15 °C / 1.) -15 deg C, 1.5 h, 2.) RT, 2 d
3: 95 percent / imidazole / dimethylformamide / 1.) 0 deg C, 30 min, 2.) RT, 3 d
4: 90 percent / aq. HgCl2, HgO / acetonitrile / 1 h / Ambient temperature
5: 93 percent / 10 M BH3*Me2S / diethyl ether / 2 h / Ambient temperature
6: 48 percent / NaH / tetrahydrofuran / 1.5 h / Ambient temperature
7: 0.24 g / NaH, Bu4NI / tetrahydrofuran / 16 h / Ambient temperature
8: 0.13 g / TBAF / tetrahydrofuran / 3 h / -10 °C
9: 0.12 g / pyridine / 48 h / Ambient temperature
10: 48percent aq. HBF4 / acetonitrile / 2 h / Ambient temperature
With
pyridine; 1H-imidazole; hydrogenchloride; tetrafluoroboric acid; dimethylsulfide borane complex; tetrabutyl ammonium fluoride; tetra-(n-butyl)ammonium iodide; sodium hydride; p-toluenesulfonyl chloride; mercury dichloride; mercury(II) oxide;
In
tetrahydrofuran; diethyl ether; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0957-4166(97)00136-5