Multi-step reaction with 5 steps
1: 1.) n-BuLi / 1.) THF, hexane, -78 deg C, 25 min, 2.) THF, hexane, from -78 deg C to RT
2: 1.) diisopropylamine, n-BuLi / 1.) THF, hexane, -78 deg C, 30 min, 2.) THF, hexane, from -78 deg C to RT
3: 85 percent / 1,4-cyclohexadiene / 20percent Pd(OH)2/C / ethanol / 65 °C
4: 96 percent / Et3N, 4-(dimethylamino)pyridine / CH2Cl2 / 2 h / 0 °C
5: 80 percent / tetrabutylammonium iodide, NaN3 / toluene; H2O / 17 h / 70 °C
With
dmap; n-butyllithium; sodium azide; cyclohexa-1,4-diene; tetra-(n-butyl)ammonium iodide; triethylamine; diisopropylamine;
palladium dihydroxide;
In
ethanol; dichloromethane; water; toluene;
DOI:10.1021/jm00014a010