Multi-step reaction with 4 steps
1: 63 percent / (R)-<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: phenyliodine bistrifluoroacetate, trifluoromethanesulfonic acid / 0.08 h / Ambient temperature
4: DIBAL / CH2Cl2; hexane / 0.17 h / -78 °C
With
N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; trifluorormethanesulfonic acid; tetrabutyl ammonium fluoride; diethylzinc; diisobutylaluminium hydride; (R)-N-(2,2-dimethylpropyl)-1-phenyl-2-(4-methylpiperazinyl)ethylamine; bis-[(trifluoroacetoxy)iodo]benzene;
In
tetrahydrofuran; hexane; dichloromethane;
DOI:10.1016/S0040-4020(99)00073-3