Multi-step reaction with 11 steps
1: 87 percent / n-BuLi / hexane; tetrahydrofuran / -78 deg C to rt
2: 97 percent / H2 / Pd/C / aq. ethanol / 6 h / Ambient temperature
3: H5IO6 / ethyl acetate / 3 h / Ambient temperature
4: NaBH4 / ethanol / 3 h / Ambient temperature
5: pyridine / 0 deg C, 1 h, rt, 6 h
6: p-TsOH / methanol / Ambient temperature; overnight
7: K2CO3 / methanol / 2 h / Ambient temperature
8: 92 percent / AgNO3, Py / tetrahydrofuran / 24 h / Ambient temperature
9: 93 percent / n-BuLi, BF3*Et2O / hexane; tetrahydrofuran / 1 h / -78 °C
10: 87 percent / NBS, AgNO3 / acetone / 3 h / Ambient temperature
11: 75 percent / CuCl, NH2OH*HCl, aq. EtNH2 / methanol / 0.17 h / 0 °C
With
pyridine; sodium tetrahydroborate; N-Bromosuccinimide; n-butyllithium; boron trifluoride diethyl etherate; hydroxylamine hydrochloride; hydrogen; potassium carbonate; toluene-4-sulfonic acid; silver nitrate; ethylamine; periodic acid; copper(l) chloride;
palladium on activated charcoal;
In
tetrahydrofuran; pyridine; methanol; ethanol; hexane; ethyl acetate; acetone;
DOI:10.1016/S0040-4020(99)00352-X