Multi-step reaction with 7 steps
1: imidazole / dimethylformamide / Ambient temperature; overnight
2: 1.) BuLi, 1,3-dimethyl-imidazolidin-2-one (DMEU) / 1.) THF, hexane, 0 deg C, 15 min; 2.) THF, r.t., 48 h
3: NaBH4, H2, EDA*H2O, Ni(OAc)2*4H2O / ethanol / 2 h / Ambient temperature
4: 1.) NCS; 2.) CuO, CuCl2*2H2O / 1.) CCl4, 0 deg C to r.t., overnight; 2.) H2O, acetone, reflux, 45 min
5: 77 percent / tetrahydrofuran / 0.25 h / -78 °C
6: 65 percent / PDC / CH2Cl2 / 10 h / Ambient temperature
7: 1.) BuLi / 1.) THF, hexane, -8 deg C, 0.5 h; 2.) THF, -78 deg C, 20 min
With
1H-imidazole; 1,3-dimethyl-2-imidazolidinone; sodium tetrahydroborate; N-chloro-succinimide; dipyridinium dichromate; n-butyllithium; EDA*H2O; hydrogen; nickel diacetate; copper(II) oxide;
In
tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide;