Multi-step reaction with 11 steps
1.1: 97 percent / H2 / Pd-C / aq. ethanol / 12 h / 2585.81 Torr
2.1: conc. HBr; NaNO2 / H2O / 0 - 5 °C
2.2: 81 percent / CuBr; conc. HBr / H2O / 0.17 h / 100 °C
3.1: 99 percent / DIBAL / toluene / -78 - 0 °C
4.1: 95 percent / PCC; 4 Angstroem molecular sieves / CH2Cl2 / 10 h
5.1: 96 percent / BCl3 / hexane; CH2Cl2 / 10 h / -78 - 20 °C
6.1: NaH / dimethylformamide / 1 h / 0 - 20 °C
6.2: 83 percent / dimethylformamide / 4 h / 0 - 20 °C
7.1: 74 percent / decahydronaphthalene / 6.5 h / Heating
8.1: 97 percent / K2CO3 / dimethylformamide / 10 h / 70 °C
9.1: 96 percent / TsOH*H2O / methanol / 3.5 h / 70 °C
10.1: BuLi / hexane; tetrahydrofuran / 0.42 h / -78 °C
10.2: 88 percent / tetrahydrofuran; hexane / 0.33 h / -78 °C
11.1: 93 percent / DIBAL / toluene / 2 h / -78 °C
With
n-butyllithium; 4 A molecular sieve; hydrogen bromide; hydrogen; boron trichloride; sodium hydride; diisobutylaluminium hydride; potassium carbonate; toluene-4-sulfonic acid; pyridinium chlorochromate; sodium nitrite;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; hexane; dichloromethane; water; N,N-dimethyl-formamide; toluene; decalin;
DOI:10.1021/jo001523s