Multi-step reaction with 4 steps
1: 94 percent / (S)-<2-(4-methylpiperazinyl)-1-phenylethyl>(2,2-dimethylpropyl)amine, n-BuLi, hexamethylphosphortriamide / tetrahydrofuran; hexane / 1.) -100 deg C to room temperature, 1 h, 2.) -100 deg C, 40 min
2: 1.) Et2Zn, 2.) n-Bu4NF / 1.) CH2Cl2, hexane, room temperature, 1 h, 2.) THF, room temperature, 20 min
3: 69 percent / phenyliodine bistrifluoroacetate, trifluoromethanesulfonic acid / 0.08 h / Ambient temperature
4: 91 percent / DIBAL / CH2Cl2; hexane / 0.17 h / -78 °C
With
N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; trifluorormethanesulfonic acid; (S)-2,2-dimethyl-N-(2-(4-methylpiperazin-1-yl)-1-phenylethyl)propan-1-amine; tetrabutyl ammonium fluoride; diethylzinc; diisobutylaluminium hydride; bis-[(trifluoroacetoxy)iodo]benzene;
In
tetrahydrofuran; hexane; dichloromethane;
DOI:10.1016/S0040-4020(99)00073-3