1: sodium t-butanolate / bis(1,5-cyclooctadiene)nickel (0); SIDip*HCl / 1,4-dioxane / 3 h / 80 °C / Inert atmosphere 2: trifluoroacetic acid; N-iodo-succinimide / 14 h / 23 °C / Inert atmosphere; Sealed vessel 3: potassium carbonate / trans-1,2-cyclohexanediamine; copper(l) chloride / 1,4-dioxane / 15 h / 110 °C / Inert atmosphere; Darkness; Sealed vessel 4: 7 h / 23 °C / Inert atmosphere View Scheme

1: sodium t-butanolate / bis(1,5-cyclooctadiene)nickel (0); SIDip*HCl / 1,4-dioxane / 3 h / 80 °C / Inert atmosphere 2: trifluoroacetic acid; N-iodo-succinimide / 14 h / 23 °C / Inert atmosphere; Sealed vessel 3: potassium carbonate / trans-1,2-cyclohexanediamine; copper(l) chloride / 1,4-dioxane / 15 h / 110 °C / Inert atmosphere; Darkness; Sealed vessel View Scheme