Multi-step reaction with 10 steps
1: 84 percent / 3 M NaOH / dimethylsulfoxide; H2O / 4.5 h / Heating
2: PPTS / ethanol / 4 h / Heating
3: acetone / 2 h / Heating
4: 89 percent / (C6H5)3P, imidazole, I2 / toluene; acetonitrile / 1 h / Heating
5: 95 percent / Zn / methanol / 1.5 h / Heating
6: 71 percent / NaN(TMS)2 / tetrahydrofuran / 1.5 h / -78 °C
7: 70 percent / t-BuLi / tetrahydrofuran; hexane / 1.) -78 deg C, 2 min, 2.) -78 deg C, 20 min
8: 1.) 18-crown-6, KN(SiMe3)2 / 1.) toluene, -45 deg C, 25 min, 2.) -78 deg C, 1 h
9: 1.) OsO4, pyridine, 2.) Na2S2O4 / 1.) H2O, -30 deg C, 1.5 h; room temp., 2.5 h, 2.) room temp., overnight
10: imidazole / dimethylformamide / 2 h
With
pyridine; 1H-imidazole; sodium hydroxide; osmium(VIII) oxide; sodium dithionite; 18-crown-6 ether; iodine; tert.-butyl lithium; sodium hexamethyldisilazane; pyridinium p-toluenesulfonate; potassium hexamethylsilazane; triphenylphosphine; zinc;
In
tetrahydrofuran; methanol; ethanol; hexane; water; dimethyl sulfoxide; N,N-dimethyl-formamide; acetone; toluene; acetonitrile;
DOI:10.1021/jo00129a027