Synthesis and structure of new polyhedral Ni, Na- and Cu, Na-metallasiloxanes with tolyl substituent at the silicon atom†
Abstract
Two new polyhedral tolyl-containing metallasiloxanes, {(Na+)2[TolSi(O)O−]6(Ni2+)4(Na+)4(OH−)2[TolSi(O)O−]6}*(EtOH)14(H2O)2 and {[CuSi(O)O−]12(Cu2+)4(Na+)4}*(EtOH)8}, and two new large stereoregular cyclosiloxanes, cis-[TolSi(O)OSiMe3]6 and tris-cis-tris-trans-[TolSi(O)OSiMe3]12, have been synthesized and their structures have been determined by X-ray crystallography.