sodium hydride in hexane; dichloromethane T=-78 - 0°C; 18.5 h;

tris(dibenzylideneacetone)dipalladium(0) chloroform complex; 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene; silver(l) oxide; lithium iodide in N,N-dimethyl-formamide T=70°C; 2 h; Inert atmosphere;

2,2'-bis(di-p-tolyl-phosphino)-1,1'-binaphthyl; copper(I) oxide; 1,10-phenanthroline; palladium (II) bromide in 1-methyl-pyrrolidin-2-one T=50 - 190°C; Microwave irradiationInert atmosphere;

2,6-dimethylpyridine; triphenylphosphine; silver carbonate; palladium dichloride in 1-methyl-pyrrolidin-2-one T=130°C; 16 h; Inert atmosphere;

1: 2-EtO2C-C6H4-OTf With potassium acetate; triphenylphosphine; 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane; bis-triphenylphosphine-palladium(II) chloride in toluene 12 h; Heating; 2: 2-nitrophenyl trifluoromethanesulfonate With tetrakis(triphenylphosphine) palladium(0); sodium carbonate in toluene Suzuki coupling reaction; 24 h; Heating; Further stages.;