in dichloromethane byproducts: CH3OC6H4-m-NO; at -25°C;;

bis-triphenylphosphine-palladium(II) chloride in N,N-dimethyl-formamide T=80°C; Stille cross-coupling reaction; 20 h;

in chlorobenzene T=130°C; 65 h;

aluminium trichloride 1) CH2Cl2, 20 deg C, 15 min 2) 20 deg C, 2 h; Yield given. Multistep reaction;

sulfuryl dichloride T=20°C; 4 h;

aluminium trichloride 1) CH2Cl2, 20 deg C, 15 min 2) 20 deg C, 2 h; Yield given. Multistep reaction;

in chlorobenzene (under N2, Schlenk); soln. of benzoyl chloride in chlorobenzene added tochlorobenzene soln. of Sn-compound, heated at 130°C for 65 h; DMSO added, diluted with CH2Cl2, stirred at room temp. for few min, washed with soln. of Na2CO3, brine, H2O, dried over Na2SO4, concd. in vacuo,column chromy. on silica gel, aq. soln. adjusted to pH 1.0 with acid ch loride, KF and Et2O added, filtered;