in pyridine T=0°C; 0.333333 h;

tetrakis(triphenylphosphine) palladium(0); tert.-butyl lithium; lithium chloride; zinc(II) chloride 1.) THF, pentane, -78 deg C, 30 min, 25 deg C, 2 h, 2.) reflux, 15 h; Yield givenMultistep reaction;