Multi-step reaction with 8 steps
1: 87 percent / H2SO4 / CH2Cl2 / 72 h / Ambient temperature
2: 62 percent / CuI, NEt3 / Pd(PPh3)4 / CH2Cl2 / 0.08 h / Heating
3: 93 percent / H2 / 10percent Pd/C / methanol / 4 h / 2585.7 Torr
4: 97 percent / Et3N
5: 95 percent / NaI / acetone
6: 78 percent / NaH / dimethylformamide / 1.) r.t., 2 h, 2.) r.t., 2 h
7: 95 percent / TFA / CH2Cl2 / 2 h
8: 1.) N-methylmorpholine, 2-chloro-4,6-dimethoxy-1,3,5-triazine / 1.) CH2Cl2, r.t., 2 h, 2.) r.t., 12 h
With
4-methyl-morpholine; copper(l) iodide; 2-chloro-4,6-dimethoxy-1 ,3,5-triazine; sulfuric acid; hydrogen; sodium hydride; triethylamine; trifluoroacetic acid; sodium iodide;
palladium on activated charcoal; tetrakis(triphenylphosphine) palladium(0);
In
methanol; dichloromethane; N,N-dimethyl-formamide; acetone;
DOI:10.1021/jo00129a040