Multi-step reaction with 13 steps
1.1: 89 percent / DIBAL / CH2Cl2 / 5 h / 20 °C
2.1: 98 percent / Et3N / CH2Cl2 / 0.5 h / 0 °C
3.1: 73 percent / NaH / dimethylformamide / 20 h / 20 °C
4.1: 70 percent / SeO2; AcOH / dioxane / 1 h / Heating
5.1: 91 percent / DBU / CH2Cl2 / 1 h / 0 °C
6.1: 75 percent / 4A MS / CH2Cl2 / 1 h / 20 °C
7.1: PPh3; NH3 / tetrahydrofuran; H2O / 24 h / 60 °C
8.1: 84 percent / Et3N / CH2Cl2 / 1 h / 20 °C
9.1: HCl; water / dioxane / 3 h / 60 °C
9.2: 46 percent / dimethylformamide / 1 h / 60 °C
10.1: 89 percent / DMAP / CH2Cl2 / 3 h / 20 °C
11.1: 97 percent / DMAP / CH2Cl2 / 2 h / 20 °C
12.1: 91 percent / HCl; water / tetrahydrofuran / 6 h / 20 °C
13.1: 78 percent / H2 / Pd/C / ethanol / 2 h / 20 °C
With
hydrogenchloride; dmap; selenium(IV) oxide; ammonia; water; hydrogen; sodium hydride; diisobutylaluminium hydride; acetic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; triphenylphosphine;
palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; ethanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(01)00055-6