tris-(dibenzylideneacetone)dipalladium(0); t-Bu Brett Phos; TDA; sodium nitrite in tert-butyl alcohol T=130°C; Schlenk techniqueInert atmosphere;

in xylene 90 h; Heating;

1: triethylamine / dichloromethane / 0 - 20 °C 2: tris-(dibenzylideneacetone)dipalladium(0); t-Bu Brett Phos; sodium nitrite; TDA / tert-butyl alcohol / 130 °C / |Schlenk technique; |Inert atmosphere View Scheme

1: (i) aq. HBF4, NaNO2, THF, (ii) (pyrolysis) 2: NaOMe / Irradiation View Scheme

sodium methylate Irradiation;