Monomeric metal alkoxides and trialkyl siloxides: (BDI)Mg(OtBu)(THF
) and (BDI)Zn(OSiPh3)(THF
). Comments on single site catalysts for ring-opening polymerization of lactides
†
Abstract
The monomeric alkoxide (BDI)Mg(OtBu)(THF) and triphenylsiloxide (BDI)Zn(OSiPh3)(THF
) have been prepared and characterized and shown to reversibly dissociate THF in solution on the NMR time scale; both compounds are active precursors for the ring-opening polymerization of