trichlorophosphate 1.) room temperature, 30 min, 2.) boiling water-bath, 4 h;

1.1: n-butyllithium / tetrahydrofuran; hexane / -78 °C / Inert atmosphere; Cooling with acetone-dry ice 1.2: -78 - 4 °C / Inert atmosphere 2.1: tris-(dibenzylideneacetone)dipalladium(0); [(R)-methoxy(furyl)BIPHEP]; cesium fluoride / tetrahydrofuran; water / 12 h / 80 °C / Inert atmosphere View Scheme