Multi-step reaction with 12 steps
1.1: 96 percent / K2CO3 / acetonitrile / 60 °C
2.1: 90 percent / DMAP / CH2Cl2 / 20 °C
3.1: LiN(TMS)2 / tetrahydrofuran / -78 °C
3.2: 83 percent / tetrahydrofuran / -78 °C
4.1: 81 percent / HCl / ethanol / 20 °C
5.1: Meerwein's salt / CH2Cl2 / 20 °C
5.2: NaCNBH3 / methanol / 20 °C / pH 3 - 4
6.1: DMAP / CH2Cl2 / 20 °C
7.1: 100 percent / NaOH / ethanol
8.1: Et3N / tetrahydrofuran / 0 - 20 °C
9.1: 93 percent / NaBH4 / tetrahydrofuran; H2O / 0 - 20 °C
10.1: 56 percent / I2; PPh3; imidazole / CH2Cl2 / 20 °C
11.1: 68 percent / dimethylsulfoxide / 60 °C
12.1: 100 percent / aq. KOH / methanol / 100 °C
With
1H-imidazole; hydrogenchloride; dmap; potassium hydroxide; sodium hydroxide; sodium tetrahydroborate; Meerwein's salt; iodine; potassium carbonate; triethylamine; triphenylphosphine; lithium hexamethyldisilazane;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; dimethyl sulfoxide; acetonitrile;
DOI:10.1016/j.bmcl.2006.03.090