1: [{(η5-C5Me5)RhCl}2(μ-Cl)2]; silver hexafluoroantimonate; copper diacetate; silver carbonate / 1,4-dioxane / 1 h / 110 °C / |Schlenk technique; |Inert atmosphere 2: potassium hydroxide / tetrahydrofuran; ethanol / |Reflux 3: methylmagnesium bromide / diethyl ether / 1.5 h / 0 - 20 °C / |Reflux 4: potassium hydroxide / 24 h View Scheme

1: [{(η5-C5Me5)RhCl}2(μ-Cl)2]; silver hexafluoroantimonate; copper diacetate; silver carbonate / 1,4-dioxane / 1 h / 110 °C / |Schlenk technique; |Inert atmosphere 2: potassium hydroxide / tetrahydrofuran; ethanol / |Reflux View Scheme

1: [{(η5-C5Me5)RhCl}2(μ-Cl)2]; silver hexafluoroantimonate; copper diacetate; silver carbonate / 1,4-dioxane / 1 h / 110 °C / |Schlenk technique; |Inert atmosphere 2: potassium hydroxide / tetrahydrofuran; ethanol / |Reflux 3: sodium hydride / tetrahydrofuran View Scheme

1: [{(η5-C5Me5)RhCl}2(μ-Cl)2]; silver hexafluoroantimonate; copper diacetate; silver carbonate / 1,4-dioxane / 1 h / 110 °C / |Schlenk technique; |Inert atmosphere 2: potassium hydroxide / tetrahydrofuran; ethanol / |Reflux 3: methylmagnesium bromide / diethyl ether / 1.5 h / 0 - 20 °C / |Reflux View Scheme