Multi-step reaction with 4 steps
1: 1.) KOH / 1.) THF, RT, 15 min, 2.) THF, RT, 4 h
2: 1.) AlCl3 / 1.) CH2Cl2, RT, 15 min, 2.) CH2Cl2, RT, 2.5 h
3: 1.) NaBr, 2.) DMPU / 1.) THF, RT, 1 h, 2.) THF, RT, 3 h
4: 111 mg / tetrakis(triphenylphosphine)palladium(0), aq. NaHCO3 / dimethylformamide / a) 90 deg C, 4 h, b) 40 deg C, 48 h, c) 115 deg C, 4 h
With
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; potassium hydroxide; tetrakis(triphenylphosphine) palladium(0); aluminium trichloride; sodium hydrogencarbonate; sodium bromide;
In
N,N-dimethyl-formamide;
DOI:10.1021/jm970389+