and plumbylenes, the lead carbene counterparts::Me3Pb-Pb-Me3 → [Me2Pb]:[Me2Pb] + (Me3Pb)2 → Me3Pb-Pb(Me)2-PbMe3:Me3Pb-Pb(Me)2-PbMe3 → Pb(0) + 2 Me4PbThese intermediates break up by disproportionation.
) (:en:Plumbylene),:Me3Pb-Pb-Me3 → [Me2Pb]:[Me2Pb] + (Me3Pb)2 → Me3Pb-Pb(Me)2-PbMe3:Me3Pb-Pb(Me)2-PbMe3 → Pb(0) + 2 Me4Pb