Multi-step reaction with 9 steps
1: 96 percent / ammonium acetate, pyridine / toluene / 64 h / Heating
2: 60.8 percent / H2 / 5percent Pd/C / ethanol / 9 h / 760 Torr
3: 1.) aq. NaNO2, aq. H2SO4, 2.) aq. KI / 1.) from -4 deg C to -2 deg C, 10 min, 2.) 4 h
4: NaH / tetrahydrofuran / 24 h / Ambient temperature
5: AcONa / methanol; H2O / Ambient temperature
6: 1,5-diazabicyclo<4.3.0>non-5-ene (DBN) / CH2Cl2 / 24 h / Ambient temperature
7: Na2CO3 / methanol / 24 h / Ambient temperature
8: 76 percent / CH2Cl2 / 1 h / Ambient temperature
9: 81.3 percent / 1,5-diazabicyclo<4.3.0>non-5-ene (DBN) / CH2Cl2 / 1 h / 0 - 20 °C
With
pyridine; ammonium acetate; sulfuric acid; DBN; hydrogen; sodium acetate; sodium hydride; sodium carbonate; potassium iodide; sodium nitrite;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; toluene;
DOI:10.1021/jm00053a008