1: 5-bromopentanoic acid ethyl ester With indium; copper(l) iodide; lithium chloride in tetrahydrofuran T=65°C; 12 h; 2: 4'-iodoacetophenone With tetrakis(triphenylphosphine) palladium(0) in N,N-dimethyl acetamide T=90°C; 24 h;

bis (triortho-tolylphosphine)palladium(II) chloride in tetrahydrofuran; N,N-dimethyl-formamide T=70°C; cross-coupling; 3 h;

bis (triortho-tolylphosphine)palladium(II) chloride; N(Et)4ClO4 in N,N-dimethyl-formamide T=20°C; cross-coupling; ElectrolysisPt cathode, Zn anode, 60 mA/cm2, 2 Faradays;

1: 90 percent / NaI / acetone 2: 43 percent / Pd(P(o-Tol)3)2Cl2; tetraethylammonium perchlorate / dimethylformamide / 20 °C / Electrolysis; Pt cathode, Zn anode, 60 mA/cm2, 2 Faradays View Scheme

aluminium trichloride

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