Multi-step reaction with 8 steps
1: 77 percent / pyridine, CrO3, Ac2O / CH2Cl2 / 4 h
2: 1.) Zn, TiCl4 / 1.) THF, 5 deg C, 4 d, 2.) THF, 1 h
3: 93 percent / NMO, pyridine, H2O, OsO4 / 2-methyl-propan-2-ol / 3 h / 76 °C
4: pyridine / 17 h
5: K2CO3, 18-crown-6 / dimethylformamide / 3 h / 65 °C
6: 57 percent / NaH / dimethylformamide / 1.) 30 min, 2.) r.t., 3 d
7: 85 percent / pyridine, DMAP / 48 h / Ambient temperature
8: 1.) BSA, 2.) TMS triflate / 1.) 1,2-dichloroethane, 78 deg C, 10 min, 2.) 1,2-dichloroethane, r.t., 63 h
With
pyridine; chromium(VI) oxide; benzenesulfonamide; dmap; osmium(VIII) oxide; N-methyl-2-indolinone; 18-crown-6 ether; trimethylsilyl trifluoromethanesulfonate; water; acetic anhydride; titanium tetrachloride; sodium hydride; potassium carbonate; zinc;
In
dichloromethane; N,N-dimethyl-formamide; tert-butyl alcohol;