Multi-step reaction with 10 steps
1: 100 percent / NaBH4 / methanol / 0.08 h
2: 95 percent / imidazole / dimethylformamide / Ambient temperature
3: 86 percent / DIBALH / CH2Cl2 / 2 h / -93 °C
4: 1.) BuLi, diisopropylamine / 1.) THF, room temp., 1 h, 2.) THF, 0 deg C, 1 h
5: 100 percent / diethyl ether
6: 97 percent / H2, AcOH / PtO2 / ethyl acetate / 42 h / 2740.9 Torr
7: 70 percent / hydroxybenzotriazole hydrate, dicyclohexylcarbodiimide / tetrahydrofuran / 1.) 0-5 deg C, 1 h, 2.) room temp., 12 h
8: 1.) H2, aq. HCl, 2.) NaHCO3 / 1.) PtO2 / 1.) EtOH, 53 psi, 18 h, 2.) H2O, dioxane, 12 h
9: aq. NaOH / methanol; tetrahydrofuran / 1.75 h / Ambient temperature
10: dicyclohexylcarbodiimide / tetrahydrofuran / 1.) 0-5 deg C, 3 h, 2.) room temp., 10 h
With
1H-imidazole; hydrogenchloride; sodium hydroxide; sodium tetrahydroborate; n-butyllithium; hydrogen; diisobutylaluminium hydride; sodium hydrogencarbonate; benzotriazol-1-ol; acetic acid; diisopropylamine; dicyclohexyl-carbodiimide;
platinum(IV) oxide;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1021/jo9801768