Multi-step reaction with 18 steps
1.1: silica gel; sodium iodide / cerium(III) chloride heptahydrate / acetonitrile
1.2: 72 h / 20 °C / Neat (no solvent)
2.1: hydrogen / ethanol; water / 2.5 h / 2585.81 Torr
3.1: triethylamine / dichloromethane / 17 h / 0 - 20 °C
4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 5 h / 20 °C
5.1: pyridine-SO3 complex; triethylamine / dichloromethane; dimethyl sulfoxide / 3 h / 0 - 20 °C
6.1: sodium hexamethyldisilazane / tetrahydrofuran / 1 h / -78 °C
6.2: 4.17 h / -78 °C
7.1: borane-THF / tetrahydrofuran / -30 - 20 °C
7.2: 0 - 20 °C
8.1: N-ethyl-N,N-diisopropylamine / dmap / dichloromethane / 2 h / 0 °C
9.1: hydrogen / palladium 10% on activated carbon / methanol / 2.5 h / 2585.81 Torr
9.2: 0.25 h / 80 °C
10.1: triethylamine / dmap / dichloromethane / 0 - 20 °C
11.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2 h / 20 °C
12.1: triethylamine / dmap / dichloromethane / 0 - 20 °C
13.1: trifluoroacetic acid / dichloromethane / 2 h / 0 °C
14.1: N-ethyl-N,N-diisopropylamine; HATU / 1-methyl-pyrrolidin-2-one / 0.5 h / 0 °C
14.2: 16 h / 0 - 20 °C
15.1: trifluoroacetic acid / dichloromethane / 2.5 h / 0 °C
16.1: N-ethyl-N,N-diisopropylamine; HATU / 1-methyl-pyrrolidin-2-one / 0.5 h / 0 °C
16.2: 16 h / 0 - 20 °C
17.1: hydrogen / palladium 10% on activated carbon / methanol / 2 h / 2585.81 Torr
18.1: methanol; sodium hydroxide / 75 h
With
methanol; borane-THF; pyridine-SO3 complex; tetrabutyl ammonium fluoride; hydrogen; sodium hexamethyldisilazane; silica gel; triethylamine; N-ethyl-N,N-diisopropylamine; HATU; trifluoroacetic acid; sodium iodide; sodium hydroxide;
dmap; cerium(III) chloride heptahydrate; palladium 10% on activated carbon;
In
tetrahydrofuran; 1-methyl-pyrrolidin-2-one; methanol; ethanol; dichloromethane; water; dimethyl sulfoxide; acetonitrile;