1: tris-(dibenzylideneacetone)dipalladium(0); 2-dicyclohexylphosphino-1,1'-biphenyl; sodium t-butanolate / toluene / |Inert atmosphere 2: hydrogenchloride / 1,4-dioxane / 3 h / 20 °C View Scheme

1: tris-(dibenzylideneacetone)dipalladium(0); 2-dicyclohexylphosphino-1,1'-biphenyl; sodium t-butanolate / toluene / |Inert atmosphere 2: hydrogenchloride / 1,4-dioxane / 3 h / 20 °C 3: trichlorophosphate; N-ethyl-N,N-diisopropylamine / 2 h / 115 °C View Scheme

<b>Multi-step reaction with 3 steps<br /> </b>1.1: 12 h / 170 &deg;C<br />2.1: trichlorophosphate; N-ethyl-N,N-diisopropylamine / 3 h / 115 &deg;C<br />3.1: sodium hydride / toluene; mineral oil / 1 h / 15 - 20 &deg;C<br />3.2: 48 h<br /> <br /> &nbsp;