Rare-earth metal complexes as catalysts for ring-opening polymerization of cyclic esters -
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Poly (ε-Caprolactone) s are biodegradable and biocompatible polyesters that have gained
considerable attention for drug delivery applications due to their slow degradation and ease …

Highly active yttrium phosphasalen initiators for the stereocontrolled ring-opening
polymerization of rac-lactide are reported. The initiators are coordinated by a new class of …

Uranyl organometallic complexes featuring uranium (VI)− carbon single and double bonds
have been obtained from uranyl UO2X2 precursors by avoiding reduction of the metal …

Sodium and potassium complexes supported by a bulky monophenoxy with one xanthenyl
group at the ortho-position and 18-crown-6 or 15-crown-5 as an auxiliary ligand were …

Preparation and characterization of three yttrium alkoxide complexes with new
phosphasalen ligands are reported. The phosphasalens are analogues of the well-known …

Yttrium and aluminum complexes of an original pyridine-bis (phenolate) ligand have been
prepared. Reactions of {ONOMe, Cumyl} Y [N (SiHMe2) 2](THF)(Et2O)(1) with 1 equiv of …

Two crown ether complexes of sodium and potassium naphthalenolates were synthesized
and entirely characterized. The two complexes can iso-selectively catalyze the ring-opening …

The synthesis and characterization of a series of bis (8-quinolinato) aluminum ethyl
complexes, substituted at the 2-, 5-, and 7-positions on the 8-quinolinol ligand, are …

The synthesis and characterization of novel scandium and yttrium phosphasalen complexes
is reported, where phosphasalen refers to two different bis (iminophosphorane) derivatives …