1: PhX (X = Li or MgBr) With indium(III) chloride in tetrahydrofuran T=-78 - 20°C; 2: carbon monoxide; 4-tert-butyl-1-cyclohexen-1-yl trifluoromethanosulfonate With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=70°C; P=1900 Torr; 3 h;

1,10-phenanthroline; oxygen; potassium carbonate; copper(l) chloride in benzene 2 h; Heating;

lithium perchlorate; sodium hydride in tetrahydrofuran T=0°C; electrolyzed at -0.8V vs. Marple electrode;

magnesium in N,N-dimethyl-formamide T=-20 - 60°C;

tetrakis(triphenylphosphine) palladium(0); lithium chloride; zinc(II) chloride 1.) THF, 15 min; 2.) 75 deg C, 24 h; Yield given. Multistep reaction;

2: CrO3, Py View Scheme