Multi-step reaction with 15 steps
1.1: 70 percent / lithium aluminium hydride / diethyl ether / 1 h / -78 °C
2.1: 88 percent / sodium hydride / dimethylformamide / 1.5 h
3.1: borane-dimethyl sulfide complex / tetrahydrofuran / 2 h / 0 - 20 °C
3.2: sodium hydroxide; hydrogen peroxide / tetrahydrofuran; H2O / 2 h / Heating
4.1: 75 percent / oxalyl chloride; DMSO; triethylamine / CH2Cl2 / -78 - 0 °C
5.1: triphenylphosphine / CH2Cl2 / 0.25 h / 0 - 20 °C
6.1: 81 percent / n-butyllithium / tetrahydrofuran; hexane / -78 - 20 °C
7.1: Cp2ZrCl2 / CH2Cl2; hexane / 20 °C
7.2: 68 percent / iodine / CH2Cl2; hexane; tetrahydrofuran / -45 - 20 °C
8.1: cyclohexene; borane-dimethyl sulfide complex / tetrahydrofuran / 2.08 h / 0 - 20 °C
8.2: 94 percent / aqueous K3PO4 / PdCl2(PPh3)2 / dimethylformamide; tetrahydrofuran; ethanol / 12 h
9.1: 87 percent / DDQ; water / CH2Cl2 / 0.33 h / 0 °C
10.1: 91 percent / NMO; 4 Angstroem molecular sieves; TPAP / CH2Cl2 / 3 h / 20 °C
11.1: diisopropylamine; n-butyllithium; HMPA / tetrahydrofuran; hexane / 0.75 h / -78 °C
11.2: PhSeBr / tetrahydrofuran; hexane / -78 - 20 °C
11.3: 34 percent / hydrogen peroxide / tetrahydrofuran / 3 h / 0 - 20 °C
12.1: 94 percent / H2O2; K2CO3 / tetrahydrofuran; methanol; H2O / 0 - 20 °C
13.1: 79 percent / 1,2-diiodoethane; Sm; methanol / tetrahydrofuran / 0.08 h / -90 °C
14.1: 81 percent / PCC / CH2Cl2
15.1: 49 percent / K2CO3 / acetone / 1 h / 20 °C
With
methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; samarium; lithium aluminium tetrahydride; n-butyllithium; N-methyl-2-indolinone; tetrapropylammonium perruthennate; oxalyl dichloride; 1,2-Diiodoethane; dimethylsulfide borane complex; 4 A molecular sieve; water; dihydrogen peroxide; sodium hydride; potassium carbonate; dimethyl sulfoxide; triethylamine; diisopropylamine; triphenylphosphine; pyridinium chlorochromate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; cyclohexene;
zirconocene dichloride;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; water; N,N-dimethyl-formamide; acetone;
4.1: Swern oxidation / 5.1: Corey-Fuchs homologation / 7.1: Negishi carboalumination / 8.2: Suzuki coupling;
DOI:10.1021/ol030115i