Multi-step reaction with 10 steps
1: 50 percent / NH2OH*HCl, TsOH
2: 69 percent / BH3*NMe3, HCl / ethanol
3: ethanol / 12 h / 25 °C
4: 2) H2 / 2) Pd/C / 1) toluene, reflux, 4 h, 2) AcOH, 45 psi, 24 h
5: 99 percent / DMAP, Et3N / CH2Cl2 / 12 h
6: 99 percent / NaI / acetone / Heating
7: 97 percent / Bu3SnH, AIBN / toluene / Heating
8: LiBH4 / diethyl ether; tetrahydrofuran
9: aq. HCl, AcOH
10: 82 percent / Dess-Martin reagent
With
hydrogenchloride; dmap; lithium borohydride; 2,2'-azobis(isobutyronitrile); trimethylamine-borane; hydroxylamine hydrochloride; hydrogen; tri-n-butyl-tin hydride; Dess-Martin periodane; toluene-4-sulfonic acid; acetic acid; triethylamine; sodium iodide;
palladium on activated charcoal;
In
tetrahydrofuran; diethyl ether; ethanol; dichloromethane; acetone; toluene;
DOI:10.1021/jo981292d