1: hydrobromic acid; bromine; sodium nitrite / H2O / -5 - 60 °C 2: 9.7 g / sodium iodide; chlorotrimethylsilane / various solvent(s) / 0.75 h / Heating View Scheme

chloro-trimethyl-silane; sodium iodide in various solvent(s) 0.75 h; Heating;

1-methyl-pyrrolidin-2-one; potassium fluoride; copper(l) iodide Heating;