1: 1,1'-bis(di-tert-butylphosphino)ferrocene palladium dichloride; sodium t-butanolate / tetrahydrofuran / 18 h / 70 °C / |Inert atmosphere 2: water; ammonium chloride / tetrahydrofuran; ethanol / 18 h / 90 °C / |Inert atmosphere View Scheme

ammonium chloride in ethanol; water T=90°C; 24 h;