Multi-step reaction with 14 steps
1.1: 86 percent / sodium azide / dimethylformamide
2.1: 86 percent / hydrogen / Pd/C / methanol
3.1: 95 percent / H2O2 / methanol / 0 °C
4.1: imidazole / dimethylformamide / 0 °C
4.2: 100 percent / NaH / tetrahydrofuran / 30 °C
5.1: NaH; TBAI / tetrahydrofuran / 20 °C
6.1: aq. HCl / methanol / 20 °C
7.1: 2,6-lutidine / CH2Cl2 / -78 °C
8.1: LDA; HMPA / tetrahydrofuran / -78 °C
9.1: 74 percent / CAN; H2O / acetonitrile / 0 °C
10.1: 78 percent / n-butyllithium / tetrahydrofuran / -78 °C
11.1: 94 percent / potassium carbonate; 18-crown-6 / tetrahydrofuran / 20 °C
12.1: 85 percent / triethylamine / diethyl ether / 0 °C
13.1: 86 percent / benzenethiol; DBU / acetonitrile / 0 °C
14.1: bromotrimethylsilane / CH2Cl2
14.2: 82 percent / methanol
With
1H-imidazole; 2,6-dimethylpyridine; hydrogenchloride; N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; sodium azide; ammonium cerium(IV) nitrate; 18-crown-6 ether; trimethylsilyl bromide; water; hydrogen; dihydrogen peroxide; tetra-(n-butyl)ammonium iodide; sodium hydride; potassium carbonate; thiophenol; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; lithium diisopropyl amide;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.tetlet.2006.02.018