1,1,1,2,2,2-hexabutyl-distannane; bis-triphenylphosphine-palladium(II) chloride in N,N-dimethyl-formamide T=85°C; 24 h;

trimethylsilyl trifluoromethanesulfonate; bis-[(trifluoroacetoxy)iodo]benzene in dichloromethane T=-78°C; Title compound not separated from byproducts;

1: 88 percent / Zn, glacial AcOH / propan-1-ol; H2O / Heating 2: 1.) Mg, I2, 2.) bis(1,3-diphenylphosphino)propane nickel(II) chloride (NiCl2*dppp) / 1.) ether, RT, 1 h, 2.) ether, RT, overnight View Scheme

1: 97 percent / Br2, glacial AcOH / CHCl3 / 1.) RT, overnight, 2.) reflux, 24 h 2: 88 percent / Zn, glacial AcOH / propan-1-ol; H2O / Heating 3: 1.) Mg, I2, 2.) bis(1,3-diphenylphosphino)propane nickel(II) chloride (NiCl2*dppp) / 1.) ether, RT, 1 h, 2.) ether, RT, overnight View Scheme

Pd(1,3-bis(diphenylphosphino)-propane)Cl2; iodine; magnesium 1.) ether, RT, 1 h, 2.) ether, RT, overnight; Multistep reaction;

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