Multi-step reaction with 7 steps
1: 98 percent / H2 / 10percent Pd/C / ethanol / 8 h / 760 Torr / Ambient temperature
2: 63 percent / Na2CO3 / tetrahydrofuran
3: 46 percent / N-iodosuccinimide / CH2Cl2 / 18 h
4: 1.) NaH / 1.) DMF, 15-25 deg C, 20 min, 2.) DMF, RT, 3 h
5: 1.) Zn, 2.) dichloro<1,1'-bis(diphenylphosphino)ferrocene>palladium(II) / 1.) THF, 20 deg C, 3 h, 2.) THF, a) RT, 5 h, b) 50 deg C, 4.5 h, c) RT, 18 h
6: aq. 2N NaOH / methanol / 4 h
7: (dimethylamino)pyridine, EDC / dimethylformamide / 18 h
With
dmap; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium hydroxide; N-iodo-succinimide; hydrogen; sodium hydride; sodium carbonate; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; zinc;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jm00045a014