Multi-step reaction with 9 steps
1: 97 percent / conc. H2SO4 / Heating
2: 90 percent / diethylazodicarboxylate, PPh3 / tetrahydrofuran / Ambient temperature
3: 99 percent / trifluoracetic acid / CH2Cl2 / Ambient temperature
4: 3.63 g / NaIO4, RuCl3 dihydrate / acetonitrile; CCl4; H2O / 2 h / 0 °C
5: 1.) isobutyl chloroformate, N-methylmorpholine / 1.) THF, 0 deg C, 2.) 0 deg C, 4 h
6: 93 percent / trifluoroacetic acid / CH2Cl2 / 0 - 20 °C
7: 81 percent / DMAP, N-methylmorpholine / tetrahydrofuran / Ambient temperature
8: 89 percent / LiAlH4 / tetrahydrofuran / 0.25 h / 0 °C
9: 82 percent / pyridine, DMAP / CH2Cl2 / 0 °C
With
4-methyl-morpholine; pyridine; dmap; ruthenium trichloride; sodium periodate; lithium aluminium tetrahydride; sulfuric acid; triphenylphosphine; trifluoroacetic acid; diethylazodicarboxylate; isobutyl chloroformate;
In
tetrahydrofuran; tetrachloromethane; dichloromethane; water; acetonitrile;
DOI:10.1021/ja00175a039