Multi-step reaction with 13 steps
1: 1) BuLi / 1a) hexane, -78 deg C, 4 h, 1b) 0 deg C, 2 h, 2a) THF, -78 deg C, 20 min, 2b) r.t., 40 min
2: imidazole / dimethylformamide / 1 h / Ambient temperature
3: 77 percent / m-chloroperbenzoic acid, NaOAc / CHCl3 / 1 h / Ambient temperature
4: 67 percent / pyridinium p-toluenesulfonate / CH2Cl2 / 2.5 h / Ambient temperature
5: 96 percent / H2 / 10percent Pd-C / ethyl acetate / 1 h / 760 Torr / Ambient temperature
6: 81 percent / L-selectride / tetrahydrofuran / 1 h / -78 °C
7: 98 percent / pyridinium p-toluenesulfonate / CH2Cl2 / 10 h / Ambient temperature
8: 92 percent / nBu4NF / tetrahydrofuran / 1 h / Ambient temperature
9: 1) oxalyl chloride, DMSO / 1) CH2Cl2, -78 deg C, 10 min, 2) CH2Cl2, -78 deg C, 20 min
10: 88 percent / NaClO2, KH2PO4, 2-methyl-2-butene / 2-methyl-propan-2-ol; H2O / 0.5 h / Ambient temperature
11: 93 percent / 2percent HCl / tetrahydrofuran / 2.5 h / Ambient temperature
12: 79 percent / p-toluenesulfonic acid / CH2Cl2 / 3 h / Ambient temperature
13: 87 percent / iBu2AlH / tetrahydrofuran; toluene / 0.5 h / -78 °C
With
1H-imidazole; hydrogenchloride; sodium chlorite; potassium dihydrogenphosphate; n-butyllithium; 2-methyl-but-2-ene; oxalyl dichloride; tetrabutyl ammonium fluoride; hydrogen; sodium acetate; pyridinium p-toluenesulfonate; L-Selectride; diisobutylaluminium hydride; toluene-4-sulfonic acid; dimethyl sulfoxide; 3-chloro-benzenecarboperoxoic acid;
palladium on activated charcoal;
In
tetrahydrofuran; dichloromethane; chloroform; water; ethyl acetate; N,N-dimethyl-formamide; toluene; tert-butyl alcohol;
DOI:10.1016/S0040-4020(01)85812-9