Multi-step reaction with 6 steps
1: 94 percent / p-toluenesulfonic acid / acetonitrile / 3 h / Ambient temperature
2: 8 percent / Et3N / CH2Cl2 / 1 h / other reagent, other solvents
3: 94 percent / benzene / 4 h / Heating
4: 70 percent / Bu3SnH, AIBN / toluene / 4 h / Heating
5: 99 percent / p-toluenesulfonic acid / acetonitrile / 3 h / Ambient temperature
6: 1.) DDQ, AcOH, 2.) AgNO3, KF / 1.) toluene, 80 deg C, 24 h, 2.) pyridine, H2O, 100 deg C, 16 h
With
potassium fluoride; 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride; toluene-4-sulfonic acid; silver nitrate; acetic acid; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
dichloromethane; toluene; acetonitrile; benzene;
DOI:10.1021/jo951914k