Multi-step reaction with 12 steps
1.1: 1.54 g / camphorsulfonic acid / benzene / 15 h / Heating
2.1: dibutylboron trifluoromethane sulfonate; diisopropylethylamine / CH2Cl2 / 2 h / -78 °C
2.2: 80 percent / CH2Cl2 / 1 h / -78 °C
3.1: camphorsulfonic acid / CH2Cl2; cyclohexane / 24 h / 20 °C
4.1: 839.5 mg / LiAlH4 / diethyl ether / 2 h / 20 °C
5.1: 78 percent / benzylidene-bis(tricyclohexylphosphine)dichlororuthenium / toluene / 1.5 h / 50 °C
6.1: 53 percent / imidazole / dimethylformamide / 1 h / 0 °C
7.1: 95 percent / Dess-Martin periodinane / CH2Cl2 / 0.5 h / 20 °C
8.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / 20 °C
9.1: 127 mg / p-toluenesulfonic acid / acetone / 1 h / 20 °C
10.1: 76 percent / NaHMDS / tetrahydrofuran / 1 h / 20 °C
11.1: 90 percent / diethyl ether / 0.25 h / 0 °C
12.1: 99 percent / tetrabutylammonium fluoride / tetrahydrofuran / 2 h / 20 °C
With
1H-imidazole; lithium aluminium tetrahydride; n-butyllithium; di-n-butylboryl trifluoromethanesulfonate; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; sodium hexamethyldisilazane; Dess-Martin periodane; toluene-4-sulfonic acid; N-ethyl-N,N-diisopropylamine;
Grubbs catalyst first generation; camphor-10-sulfonic acid;
In
tetrahydrofuran; diethyl ether; hexane; dichloromethane; cyclohexane; N,N-dimethyl-formamide; acetone; toluene; benzene;
2.1: Mukaiyama aldol reaction / 2.2: Mukaiyama aldol reaction / 8.1: Wittig reaction / 10.1: Wittig reaction;
DOI:10.1016/j.tet.2006.08.068