Multi-step reaction with 14 steps
1.1: 98 percent / VO(acac)2; tert-butyl hydroperoxide / CH2Cl2; various solvent(s) / 1 h / 0 °C
2.1: H5IO6 / tetrahydrofuran / 0.25 h / 0 °C
2.2: 75 percent / p-TsOH / methanol / Heating
3.1: 97 percent / DIBAL-H / various solvent(s) / 1 h / -78 °C
4.1: 85 percent / K2CO3 / methanol / 2 h / 20 °C
5.1: BuLi / tetrahydrofuran; various solvent(s) / 1 h / -40 °C
5.2: LiBr / tetrahydrofuran; various solvent(s) / 0.25 h
5.3: 84 percent / tetrahydrofuran; various solvent(s) / -40 - -30 °C
6.1: 97 percent / imidazole / dimethylformamide / 20 °C
7.1: 96 percent / pyridinium p-toluenesulfonate / methanol / 20 °C
8.1: 100 percent / Dess-Martin periodinane; NaHCO3 / CH2Cl2 / 1.5 h
9.1: BuLi / tetrahydrofuran; various solvent(s) / 1 h / -40 °C
9.2: LiBr / tetrahydrofuran; various solvent(s) / 0.25 h
9.3: 88 percent / tetrahydrofuran; various solvent(s) / -40 - -30 °C
10.1: 99 percent / p-TsOH / acetone; H2O / 48 h / 20 °C
11.1: 91 percent / imidazole / dimethylformamide / 20 °C
12.1: 85 percent / SnCl2 / CH2Cl2 / 2 h / 20 °C
13.1: 85 percent / DDQ / CH2Cl2 / 6 h / 20 °C / pH 7
14.1: I2; triphenylphosphine; imidazole / diethyl ether; benzene / 0.75 h / 20 °C
With
1H-imidazole; tert.-butylhydroperoxide; n-butyllithium; bis(acetylacetonate)oxovanadium; iodine; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; sodium hydrogencarbonate; potassium carbonate; Dess-Martin periodane; toluene-4-sulfonic acid; periodic acid; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; tin(ll) chloride;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; water; N,N-dimethyl-formamide; acetone; benzene;
DOI:10.1021/jo016048s