Multi-step reaction with 4 steps
1: 1.) KH, (TMS)2NH, 18-crown-6 / 1.) THF, -78 deg C, 10 min, 2.) THF, -78 deg C, 30 min
2: 35 percent / p-TsOH / methanol / 12 h / 25 °C
3: 1.) BuLi, TMEDA, HMPA / 1.) THF, hexane, -78 deg C, 3 min, 2.) THF, hexane, -78 deg C, 5 min
4: 88 percent / AIBN, Bu3SnH / benzene / 1 h / 80 °C
With
N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; 18-crown-6 ether; 2,2'-azobis(isobutyronitrile); N,N,N,N,-tetramethylethylenediamine; tri-n-butyl-tin hydride; potassium hydride; toluene-4-sulfonic acid; 1,1,1,3,3,3-hexamethyl-disilazane;
In
methanol; benzene;
DOI:10.1016/0040-4020(95)01058-0