Multi-step reaction with 12 steps
1.1: palladium 10% on activated carbon; perchloric acid; hydrogen; acetic acid / 16 h
2.1: water; hydrogen bromide; acetic acid / 2 h / Inert atmosphere; Reflux
3.1: sulfuric acid / 1 h / Inert atmosphere; Reflux
4.1: pyridine / 0 - 20 °C / Inert atmosphere
5.1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / tetrahydrofuran; water / 16 h / Reflux; Inert atmosphere
6.1: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C
7.1: Dess-Martin periodane / dichloromethane / 2 h / 20 °C
8.1: borane-THF / tetrahydrofuran / 1 h / 20 °C
8.2: 0.67 h / -78 °C
8.3: 2 h / -78 °C
9.1: 1H-imidazole / N,N-dimethyl-formamide / 16 h / 20 °C
10.1: n-butyllithium / tetrahydrofuran / 2 h / -78 °C
10.2: 0.08 h
11.1: n-butyllithium / tetrahydrofuran / 2 h / -78 °C
11.2: 0.08 h
12.1: ammonia / methanol / 2 h / 20 °C
With
pyridine; 1H-imidazole; lithium aluminium tetrahydride; tetrakis(triphenylphosphine) palladium(0); n-butyllithium; perchloric acid; borane-THF; sulfuric acid; palladium 10% on activated carbon; ammonia; water; hydrogen bromide; hydrogen; sodium carbonate; Dess-Martin periodane; acetic acid;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide;
5.1: Suzuki coupling;
DOI:10.1021/jm101597x