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Ge whiz: Highly stereoselective bulk ring-opening polymerization of rac-lactide to afford a heterotactic polymer was achieved for the first time through the use of a single-site germanium alkoxide initiator. The C3 symmetry of the ligand may play an important role in controlling stereoselective chain propagation from the racemic monomer.
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Chmura et al. (2007) studied this question.
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