Multi-step reaction with 24 steps
1.1: 73 percent / KH; 18-crown-6 / 3 h / 25 °C
2.1: OsO4; NMO / acetone; H2O / 20 h / 25 °C
3.1: NaIO4 / acetone; H2O / 20 h / 25 °C
4.1: BF3*OEt2 / CH2Cl2 / 6 h / -90 - -30 °C
5.1: TsOH / benzene / 14 h / 25 °C
6.1: OsO4; NMO / acetone; H2O / 20 h / 25 °C
7.1: NaIO4 / acetone; H2O / 1 h / 20 °C
8.1: LiAlH4 / diethyl ether / 0.25 h / 0 °C
9.1: imidazole / CH2Cl2 / 1 h / 25 °C
10.1: H2 / Raney Ni (W-2) / ethanol / 120 h / 25 °C
11.1: pyridine; DMAP / CH2Cl2 / 20 h / 20 °C
12.1: NaI; NaHCO3 / butan-2-one / 20 h / 60 °C
13.1: t-BuLi / pentane; diethyl ether / 1 h / -78 - 20 °C
13.2: 78 percent / pentane; diethyl ether / 1.5 h / -78 °C
14.1: Dess-Martin periodinane / CH2Cl2 / 2 h / 20 °C
15.1: t-BuOK / toluene / 1.5 h / 95 °C
16.1: TBAF / tetrahydrofuran / 10 h / 20 °C
17.1: imidazole / CH2Cl2 / 0.25 h / 20 °C
18.1: CSA / CH2Cl2 / 1 h / 15 °C
19.1: TBAF / tetrahydrofuran / 3 h / 20 °C
20.1: Jones reagent / acetone / 1.5 h / -30 °C
21.1: diethyl ether / 0.5 h / 0 °C
22.1: DDQ / CH2Cl2; H2O / 0.25 h / 0 °C
23.1: NaOH / methanol / 90 h / 20 °C
24.1: 2,4,6-trichlorobenzoyl chloride; Et3N / tetrahydrofuran / 20 h / 20 °C
24.2: 22 percent Turnov. / DMAP / tetrahydrofuran; toluene / 20 h / Heating
With
pyridine; 1H-imidazole; dmap; sodium hydroxide; sodium periodate; osmium(VIII) oxide; lithium aluminium tetrahydride; N-methyl-2-indolinone; jones reagent; 18-crown-6 ether; 2,4,6-trichlorobenzoyl chloride; camphor-10-sulfonic acid; boron trifluoride diethyl etherate; potassium tert-butylate; tetrabutyl ammonium fluoride; hydrogen; tert.-butyl lithium; potassium hydride; sodium hydrogencarbonate; Dess-Martin periodane; toluene-4-sulfonic acid; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; sodium iodide;
Raney Ni (W-2);
In
tetrahydrofuran; methanol; diethyl ether; ethanol; dichloromethane; water; acetone; toluene; butanone; pentane; benzene;
15.1: Wittig reaction / 20.1: Jones oxidation;
DOI:10.1016/S0040-4039(03)00955-9