Multi-step reaction with 11 steps
1.1: 93 percent / tetrahydrofuran / 1 h / -65 °C
2.1: 99 percent / H2 / Pd/C / methanol / 14 h / 20 °C / atmospheric pressure
3.1: 92 percent / tetrahydrofuran / -78 - 20 °C
4.1: 99 percent / NaH; Bu4NI / dimethylformamide / 16 h / 20 °C
5.1: 90 percent / p-TsOH; methanol / 0.5 h / 20 °C
6.1: SO3*pyridine; Et3N; DMSO / CH2Cl2 / 2 h / 20 °C
7.1: 93 percent / MgSO4 / CH2Cl2 / 4 h / 20 °C
8.1: n-BuLi / tetrahydrofuran; hexane / 1 h / -78 °C
8.2: 85 percent / BF3*Et2O / tetrahydrofuran; hexane / 1 h / -78 °C
9.1: H2 / Lindlar's catalyst / ethyl acetate / 3 h / 20 °C / atmospheric pressure
10.1: 100 mg / Mo(CO)6 / acetonitrile; H2O / 6 h / Heating
11.1: CuBr*Me2S / tetrahydrofuran; diethyl ether / 0.5 h / -78 °C
11.2: 90 percent / TMSCl; DMPU / tetrahydrofuran; diethyl ether / 1 h / -78 - -20 °C
With
methanol; n-butyllithium; copper(I) bromide dimethylsulfide complex; hexacarbonyl molybdenum; pyridine-SO3 complex; hydrogen; tetra-(n-butyl)ammonium iodide; sodium hydride; magnesium sulfate; toluene-4-sulfonic acid; dimethyl sulfoxide; triethylamine;
palladium on activated charcoal; Lindlar's catalyst;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide; acetonitrile;
6.1: Parikh-Doering oxidation;
DOI:10.1021/ja0126226