1: 2-methoxy-6-bromo-naphthalene; diethyl malonate With potassium phosphate; tri-tert-butyl phosphine; bis(dibenzylideneacetone)-palladium(0) in toluene T=70°C; 10 h; 2: methyl iodide in toluene T=70°C; 3 h; Further stages.;