1: (1-Bromo-naphthalen-2-yloxy)-trimethyl-silane With n-butyllithium in tetrahydrofuran T=-100 - -80°C; 0.333333 h; 2: trifluoromethylsulfonic anhydride in tetrahydrofuran T=-100 - -80°C; 0.333333 h;

1: 1-bromo-2-hydroxynaphthalene; 1,1,1,3,3,3-hexamethyl-disilazane in tetrahydrofuran 2 h; RefluxInert atmosphere; 2: With n-butyllithium in tetrahydrofuran; pentane T=-100 - -80°C; 0.333333 h; Inert atmosphere; 3: trifluoromethylsulfonic anhydride in tetrahydrofuran; diethyl ether; pentane T=-100 - -80°C; 0.333333 h; Inert atmosphere;

1: in diethyl ether; acetonitrile T=-10 - 20°C; 28 h; 2: in diethyl ether; acetonitrile T=20°C; 4 h; Further stages. Title compound not separated from byproducts.;

iodine; cesium fluoride in acetonitrile T=20°C; 16 h; Inert atmosphere;

1: With tetrabutyl ammonium fluoride T=20°C; 3 h; Inert atmosphere; 2: With water

potassium fluoride; 18-crown-6 ether; 3-(2,4,6-trimethyl-phenyl)-5,6,7,8-tetrahydro-4H-cycloheptathiazol-3-ium perchlorate; potassium tert-butylate in tetrahydrofuran T=25°C; 4 h; Inert atmosphere;

1: With tetrabutyl ammonium fluoride T=20°C; 3 h; Inert atmosphere; 2: With water

cesium fluoride; tris-(o-tolyl)phosphine; bis(dibenzylideneacetone)-palladium(0) in toluene; acetonitrile T=110°C; 12 h;