Multi-step reaction with 7 steps
1: 65 percent / hydrazine hydrate / 1 h / 95 - 100 °C
2: 45 percent / potassium ferricyanide, NaHCO3 / H2O / 1 h / 90 °C
3: 1.) LDA / 1.) Et2O, hexane, -40 deg C, 6 h, 2.) Et2O, hexane, RT, overnight
4: 43 percent / Et3N, Pd(OAc)2, 1,3-bis(diphenylphosphino)propane (dppp) / dimethylsulfoxide / 1 h / 75 °C
5: 1.8 g / Br2 / CH2Cl2 / 1 h / 0 °C
6: 45 percent / aq. AgNO3 / ethanol / 1 h / Heating
7: 75 percent / lutidine / CH2Cl2 / 0 - 20 °C
With
palladium diacetate; lutidine; 1,3-bis-(diphenylphosphino)propane; bromine; sodium hydrogencarbonate; hydrazine hydrate; silver nitrate; triethylamine; potassium hexacyanoferrate(III); lithium diisopropyl amide;
In
ethanol; dichloromethane; water; dimethyl sulfoxide;
DOI:10.1021/jm00074a012