Multi-step reaction with 10 steps
1.1: 86.3 percent / NaH / dimethylformamide / 20 °C
2.1: 90 percent / H2 / Pd/C / ethanol; tetrahydrofuran / 1.5 h / 20 °C / 1520 Torr
3.1: 77 percent / DIBAL-H / CH2Cl2; hexane / 0.5 h / -78 °C
4.1: n-BuLi / tetrahydrofuran / 2 h / -78 - 20 °C
4.2: 87.7 percent / tetrahydrofuran / 2 h / 20 °C
5.1: 53.5 percent / AD-mix-α; water / 2-methyl-propan-2-ol / 4 h / 0 °C
6.1: 84.5 percent / imidazole / dimethylformamide / 0 - 20 °C
7.1: Et3N / CH2Cl2 / 1 h / 0 °C
8.1: NaH / dimethylformamide / 1 h / 70 °C
8.2: 3.10 g / dimethylformamide / 24 h / 70 °C
9.1: 95.8 percent / cyclohexene; Pd(OH)2/C / ethanol / 0.5 h / 90 °C
10.1: 62.2 percent / K2CO3 / dimethylformamide / 24 h / 80 - 90 °C
With
1H-imidazole; palladium dihydroxide; AD-mix-α; n-butyllithium; water; hydrogen; sodium hydride; diisobutylaluminium hydride; potassium carbonate; triethylamine; cyclohexene;
palladium on activated charcoal;
In
tetrahydrofuran; ethanol; hexane; dichloromethane; N,N-dimethyl-formamide; tert-butyl alcohol;
1.1: Wittig-Horner reaction / 4.2: Wittig reaction / 5.1: Sharpless asymmetric hydroxylation;
DOI:10.1021/jm0306374