Multi-step reaction with 11 steps
1.1: ozone / CH2Cl2 / -78 °C
1.2: 78 percent / NaBH4 / CH2Cl2; methanol / 5 h / -78 - 20 °C
2.1: 93 percent / imidazole / CH2Cl2 / 2 h / -42 °C
3.1: triethylamine / CH2Cl2 / 3.5 h / 0 °C
4.1: 6.93 g / NaN3; tetrabutylammonium iodide / dimethylformamide / 14 h / 55 °C
5.1: tetrahydrofuran / 6 h / 20 °C
6.1: H2O / tetrahydrofuran / 8 h / 20 °C
7.1: 1.31 g / triethylamine / tetrahydrofuran / 6 h / 20 °C
8.1: 89 percent / tetrabutylammonium fluoride / tetrahydrofuran / 2 h / 20 °C
9.1: 0.32 g / N,N-diisopropylethylamine / CH2Cl2 / 8 h / 45 °C
10.1: 98 percent / H2 / 20 percent Pd/C / ethanol / 8 h / 20 °C
11.1: 59 percent / iodobenzene diacetate; iodine / cyclohexane / 2 h / Irradiation
With
1H-imidazole; sodium azide; [bis(acetoxy)iodo]benzene; tetrabutyl ammonium fluoride; water; hydrogen; iodine; tetra-(n-butyl)ammonium iodide; ozone; triethylamine; N-ethyl-N,N-diisopropylamine;
palladium on activated charcoal;
In
tetrahydrofuran; ethanol; dichloromethane; cyclohexane; N,N-dimethyl-formamide;
DOI:10.1021/ol034273l