Hydroalumination of bis(alkynyl)germanes and -silanes: Generation of a chelating Lewis-acid and observation of a dismutation reaction

► Hydroalumination of diethynylgermanium and -silicon compounds. ► Generation of a chelating Lewis-acid. ► Coordination of halide anions in a chelating manner. ► Dismutation reaction upon application of small dialkylaluminum hydrides.