Multi-step reaction with 8 steps
1: 78 percent / Bu4NI, NaH / dimethylformamide / 5 h / 25 °C
2: 1.) n-BuLi, TMEDA, 2.) ICH2CH2Cl / 1.) THF, hexane, -25 deg C, 2 h. 2.) THF, hexane, 25 deg C, 15 min
3: 94 percent / NaH / dimethylformamide / 1 h / 25 °C
4: 94 percent / Bu3SnH / benzene / 1.5 h / 50 °C
5: 87 percent / Zn / acetic acid; H2O; tetrahydrofuran / 1 h / 70 °C
6: 90 percent / CCl4, PPh3 / CH2Cl2 / 2 h / 25 °C
7: HCl / ethyl acetate / 0.5 h / 25 °C
8: EDCI / dimethylformamide / 3 h / 25 °C
With
hydrogenchloride; tetrachloromethane; n-butyllithium; 1-chloro-2-iodoethane; N,N,N,N,-tetramethylethylenediamine; tri-n-butyl-tin hydride; tetra-(n-butyl)ammonium iodide; sodium hydride; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triphenylphosphine; zinc;
In
tetrahydrofuran; dichloromethane; water; acetic acid; ethyl acetate; N,N-dimethyl-formamide; benzene;
DOI:10.1021/jo971686p