Multi-step reaction with 13 steps
1: 69 percent / lithium diisopropylamide / tetrahydrofuran; hexane / 2 h / -78 °C
2: 100 percent / NaBH4 / methanol / 0.25 h / 0 °C
3: 100 percent / imidazole / dimethylformamide / 10 h / 20 °C
4: 99 percent / LiAlH4 / diethyl ether / 0.17 h / 0 °C
5: 94 percent / NaH / dimethylformamide / 12 h / 20 °C
6: 100 percent / tetrabutylammonium fluoride / tetrahydrofuran / 2 h / 20 °C
7: 99 percent / pyridine / 10 h / 20 °C
8: 80 percent / CH3COOH / H2O / 12 h / 65 °C
9: NaIO4; (NH4)2SO4 / methanol; H2O / 0.25 h / 0 °C
10: 13 g / NaBH4 / methanol; H2O / 0.08 h / 0 °C
11: 96 percent / imidazole / dimethylformamide / 5 h / 20 °C
12: 100 percent / K2CO3 / methanol / 2 h / 20 °C
13: 90 percent / pyridinium chlorochromate; molecular sieves 4 Amgstroem / CH2Cl2 / 2 h / 20 °C
With
pyridine; 1H-imidazole; ammonium sulfate; sodium tetrahydroborate; sodium periodate; lithium aluminium tetrahydride; 4 A molecular sieve; tetrabutyl ammonium fluoride; sodium hydride; potassium carbonate; acetic acid; pyridinium chlorochromate; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(02)01474-6