Multi-step reaction with 10 steps
1.1: NaH / dimethylformamide / 2 h / 20 °C
1.2: 88 percent / dimethylformamide / 12 h / 20 °C
2.1: BH3*Me2S / CH2Cl2 / 3 h / 20 °C
2.2: 68 percent / BF3*OEt2 / CH2Cl2 / 0.5 h / 20 °C
3.1: 90 percent / Ph3P; CBr4 / CH2Cl2 / 2 h / 20 °C
4.1: Zn / aq. ethanol / 0.5 h / 90 °C
5.1: 59 percent / 1,1,3,3-tetramethylguanidine / tetrahydrofuran / 12 h / 20 °C
6.1: Me3SiCl; DMAP; Et3N / acetonitrile / 12 h / 20 °C
6.2: 54 percent / p-TsOH / acetonitrile / 3 h / 20 °C
7.1: 95 percent / Et3N / CH2Cl2 / 12 h / 20 °C
8.1: 20 mg / Mo(CO)6 / acetonitrile; H2O / 1.5 h / 90 °C
9.1: DIBALH / toluene / 0.5 h / -78 °C
9.2: 10 mg / TBAF / tetrahydrofuran / 4 h / 20 °C
10.1: 1 h / 130 °C
10.2: 26 mg / Ac2O / 96 h / 140 °C
With
dmap; chloro-trimethyl-silane; hexacarbonyl molybdenum; carbon tetrabromide; dimethylsulfide borane complex; sodium hydride; diisobutylaluminium hydride; triethylamine; triphenylphosphine; zinc; N,N,N',N'-tetramethylguanidine;
In
tetrahydrofuran; ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; acetonitrile;
5.1: Henry reaction;
DOI:10.1021/ol035424n